Best Reference Apps

Discover the best reference apps. Find the top 100 most popular reference ios applications. We've picked out the 100 top reference apps for your iphone or ipad, informed by our long history of covering the platform.

Top Free Reference Apps of 2026

Merlin Bird ID by Cornell Lab

What's that bird? Ask Merlinthe world’s leading app for birds. Just like magic, Merlin Bird ID will help you solve the mystery. Merlin Bird ID helps you identify birds you se...
Seekee - Watch Movie,drama TV

The ultimate companion for movie lovers discover trending movies, popular TV shows, and explore the world of entertainment in a beautifully designed, cinematic experience on your ...
Merriam-Webster Dictionary

Get America's most useful and respected dictionary, optimized for your iPhone, iPad, and Apple Watch. Continuously updated with the newest words and meanings, this is the prem...
Translate Now - AI Translator

Translate text, voice, and photos in 320+ languages. Includes translator keyboard and immersive tools. Translate Now is your ultimate AIpowered language translator built for trave...
Telegram Channel Hub Group App

Find new interesting channels of any orientation in just a couple of clicks. This is a handy app for surfing Telegram channels, chats and bots. Explore thousands of groups, chann...
BibleProject

Learn how to read the Bible to see, hear and know Jesus better. Access 100% free Bible videos, podcasts, blogs, classes, and educational Bible resources that help make the biblical...
Bible Bff-Modern Bible Stories

Real voice actors, recording new Bible stories weekly (no AI voices) Choose from a wide variety of narrators that sound like a friend, or a mini history lesson. Bible BFF is the...
Alexa App Set Up All Echo

This FREE app makes getting the most out of your Echo simple. Control Commands Setup Echo puts 1000+ voice commands, smart tools, and stepbystep guides right at your fingertips so...
Kuli Kuli - Travel Translator

Kuli Kuli: Trusted Travel Translator Explore the world with confidenceone menu, label, and local surprise at a time. With support for 120+ languages, Kuli Kuli helps travelers qui...
Collectr - TCG Collector App

Why use multiple apps when you can track all your TCGs in one place? Most collectors collect multiple TCGs. Whether you are a Pokemon collector, Magic collector, YuGiOh collector, ...
Bird Sounds Identifier Call ID

What bird is it? Bird Sounds Identifier Call ID can tell you! Bird Sounds Identifier Call ID is a remarkable app designed to assist bird enthusiasts and nature lovers in identifyi...
Bible - Daily Bible Verse KJV

Bible KJV Daily Bible Verse is a free KJV Bible study tool that people read bible verse of the day, listen to the audio bible the holy bible king james version, share and learn k...
Guides for imo Video Chat Call

Guide for imo is the easiest way to learn, fix, and get the most out of imo the popular video chat and messaging app. Whether you're new to imo or just need quick help, this...
Blessedid - Bible Verse Study

Blessedid is your Christian companion, designed to help you grow in faith every day. This app is more than just a tool – it's a place where you can connect with God and find s...
MyCutcoRep

MyCutcoRep gives you the opportunity to provide feedback on your Cutco presentation experience and quickly access your sales rep's information. By providing valuable feedback ...
Lok l0k-Watch Drama Movies,TV

This App helps you discover trending movies and TV shows, explore detailed information. Features: Discover trending and popular movies Search films and TV shows View ratings, c...
Viva VPN-Fast Secure Proxy VPN

Viva VPN – Fast & Free VPN for iPhone and iPad Private, Secure, and Unlimited – Protect your privacy and enjoy internet freedom. Viva VPN is your ultimate free VPN solution f...
FamilySearch Tree

Curious about your family history? Add branches to your family tree with FamilySearch Tree, the world’s largest online family tree. FamilySearch Tree makes it easy and convenient t...
Naver Papago - AI Translator

For every moment you need translation travel, business trips, language learning bring along Papago, the smart parrot that speaks many languages. The Meaning of 'Papago'...
Dex - for TCG Collectors

Dex is the ultimate unofficial app for Pokémon TCG collectors. Trusted by collectors since 2021, Dex lets you scan cards, track your collection, check prices, and explore every set...
JW Library

The JW Library app is designed to enhance your Bible reading and deepen your personal study. Download Biblebased publications, videos, and audio programs to access your content any...
Facts - Daily Random Trivia

Knowledge is power. Learn interesting things every day and surprise everyone with Daily Random Facts! Want everyone to think you’re super smart? Amaze others with your unique know...
Wikipedia

The official Wikipedia app for iOS helps you explore the world’s largest free knowledge project adfree and free of charge, forever. With 60+ million articles in nearly 300 languag...
Sky Guide

Bring the beauty of the stars down to Earth. Hold Sky Guide® overhead to automatically identify any star, constellation, planet or satellite! Easy to use and powerful, it’s epic st...
Blood Sugar Tracker-AI Health

In today's world, good health is the most important asset in life, so we must always pay attention to our health. The Blood Glucose Tracker AI Health helps everyone record t...
Bible Widget

Never lose sight of God's Word with Bible Widget. Customize the look & feel of the widget to meet your needs and choose topics that are most relevant to you right now. ...
Blue Letter Bible

Powerful Bible study tools linked to every verse in an easytouse, personalized Bible reader! Dig deep into God’s Word with over 30 Bible versions, audio Bibles, text and audio com...
ReelTrends - AI Creator Tools

ReelTrends Analytics is the #1 app for Social Trends. Join the top influencers using our platform to track, discover and predict Social Trends. With this Analyzer you can find tre...
Live Translator - AI Translate

SPEAK LIKE A LOCAL, NOT A ROBOT. Live Translator is designed for those who demand precision, not just wordforword substitution. Unlike standard translation tools, we leverage ...
Bible Study - Manna

Looking for a Bible study app with a daily Bible verse widget that makes Scripture simple, engaging, and easy to fit into your daily life? Manna transforms traditional Bible study...
Translate AI - Live Translate

Translate text, voice & camera instantly with AI Translator, a powerful translator app for live conversations, offline mode & 100+ languages. Break language barriers instan...
Haven - Bible Chat

Step Into the Living Word! Haven isn’t just an appit’s your personal guide to draw closer to God and discover unshakable peace. With handpicked daily verses, thoughtful devotiona...
WBuilds for Building Guide

W Builds is your complete Minecraft building guide helping you create clean, accurate builds faster and easier. no matter your skill level. The Ultimate Minecraft Building Guide ...
DeepL Translate

Realtime camera translation: point your camera at text to instantly translate what you see Photo translation: translate text in taken or imported photos Dictation: translate wha...
Enduring Word Commentary

Enduring Word promotes the work of Christian discipleship and evangelism worldwide. Bible teachers, pastors, and everyday Christians around the world find David Guzik’s Enduring W...
Bible

Take God’s Word with you wherever you go with the free YouVersion Bible App. Listen to Audio Bibles, create Prayers, study with Friends, watch engaging Videos, explore 3,500+ Bible...
Night Sky

Night Sky is a powerful AI personal planetarium. Quickly identify stars, planets, constellations and satellites above by simply holding your iPhone, iPad or Apple Watch to the Nig...
Google Translate

Translate between up to 249 languages. Feature support varies by language: Text: Translate between languages by typing Offline: Translate with no internet connection Instant cam...
Sky Tonight - Stargazing Guide

SKY TONIGHT is a brandnew astronomical app for exploring the sky. It helps stargazers answer the three most common questions: ⁕ What is that bright dot in the sky? ⁕ What astronom...
Tomodachi Miis Ideas

Unlock the secrets to creating over 18 iconic Miis including Link, Sans, Hatsune Miku, and Mario. Whether you're a pro or a beginner, our detailed guides make building your dr...
BibleWatch - Watch the Bible

WATCH THE BIBLE. Don't just read it. The complete Bible every book, every chapter brought to life as cinematic short videos. Three minutes a day takes you from "In the...
Daily Bible Word

Daily Bible word is a simple way to spend time with Scripture every day. Guess 5letter Bible word, answer multiplechoice Bible quiz questions, and read daily verses or chapters de...
Reverse Lookup

Reverse Lookup is a FREE reverse phone lookup app for iOS devices that retrieves all available information associated with a phone number. It also displays spam likeliness of any p...
HappyMood - All Games Library

HappyMood – Discover Games Made for You Are you a true gamer looking for one place to explore everything about games? HappyMoods is your ultimate companion! With a huge database o...
EBird

eBird Mobile makes it easy to record the birds you see in the field, and seamlessly link these observations with eBirda global online database of bird records used by hundreds of t...

Top Paid Reference Apps of 2026

RhymeZone

Find the right word wherever you go. The official RhymeZone iOS app is a fast, powerful rhyming dictionary and thesaurus that you can use anywhere, even if you're not on the n...
All Birds Ecuador field guide

Planning to go bird watching in Ecuador? Then this is the app for you. This app fills a gap in the region and is the only app available for Ecuador! It is based on renowned refere...
SCRABBLE Dictionary

The perfect dictionary for playing SCRABBLE® – an enhanced version of the bestselling book The Official SCRABBLE® Players Dictionary, Fifth Edition. The app includes ALL of the w...
OilField Formulas iHandy Calc

Updated. Added more than 250 oilfield calculators Aims of this application to make ease the life of Oilfield specialist and Petroleum, Mud Engineers by providing correct hand ca...
My Car Repair Advisor

Know what your car needs. Know what it should cost. Know exactly what to say. My Car Repair Advisor is the car owner’s pocket referencebuilt to help you walk into any shop prepare...
Kicker U

Subwoofer school’s in session! You’ve now enrolled into KICKER U, where you have instant access to a toolbox of mobileaudio installation knowledge. Let KICKER U help you design and...
Daily Readings

The Daily Readings app offers an easy way to access the day's Scripture readings, saints, and fasting guidelines as prescribed by the Lectionary of the Greek Orthodox Church. ...
Unicode Character Viewer

This app lets you explore the world of Unicode glyphs. The languages of the world contain some beautiful letter forms, and Unicode Character Viewer gives you an easy way to search...
Army Basic Training

Your First Mission: Be Ready for Basic Combat Training Since 2012, Basic Training has been the goto app for future soldiers preparing to take their first steps into military servi...
Circuit Colors

Circuit Colors is a simple application to find out the phase color for any circuit number. It eliminates the use of cheat sheets or mental calculations or any other method you use...
AFI Explorer

AFI Explorer brings streamlined access to Air Force publications directly to your iPhone, iPad, and Mac. Built exclusively for Air Force personnel, this native iOS and macOS app de...
Army Weapon Craft

First published in 2015, Weaponcraft returns completely reimagined for today's warfighter. This essential training tool has been rebuilt from the ground up with an intuitive m...
Himnario IDMJI

Aplicación oficial del himnario digital de los Himnos y Coros de la Iglesia de Dios Ministerial de Jesucristo Internacional. En esta aplicación, encontrarás un listado completo d...
Bird ID Hawaii

Updated March 2024. Everything you need for identifying birds in Hawaii. Includes all native and endemic birds, introduced birds, regularlyseen seabirds and shorebirds, common migr...
Pocket Rally Dog Obedience

Pocket Rally Dog Obedience app for AKC® Rally Obedience is designed for iPhone and iPad. It is built with Apple’s latest development tools, Pocket Rally stays true to what you love...
Dictionary and Thesaurus Pro

Get the world's most comprehensive adfree dictionary and thesaurus with extensive offline dictionary content and synonyms. Dictionary Pro is the premium version of The Free Di...
Summonses

Summonses App Stay informed and organized with the ultimate police companion. Access a comprehensive list of New York summonses and laws to stay sharp on the job. Overtime Calcul...
LEO Geomatch

For sworn Law Enforcement Officers only. Registration is required prior to being able to use the App. Fill in the required information and submit your application within the App. O...
Penny Puss 2.0

The Penny Puss app with DG penny finder and remodel locations is for reference only. We have no affiliation with Dollar General. Any mention of their name is strictly to let you ...
IBird Ultimate Guide to Birds

Behold, the most comprehensive and aweinspiring fixedprice birding app for the iPhone, has undergone a stunning transformation! iBird Ultimate has risen to new heights with the add...
Precept Bible

A Precept is a general rule, tenet or doctrine intended to regulate behaviour or thought. The Precept Bible is based on the understanding of the scripture in Isaiah 28:910 where i...
Army Ranger Handbook

The ultimate resource for anyone who wants to know how Rangers think and work. Army Rangers specialize in airborne assault, raids, recovery of personnel and equipment, and airfiel...
Nyimbo Dza Vhatendi Hymns

Carry the Songs of Praise: Nyimbo Dza Vhatendi Hymn App Sing hymns of praise anywhere, anytime with the Nyimbo Dza Vhatendi hymn app. This comprehensive app offers a wealth of Ven...
Civilopedia

Welcome to the Civilopedia for Sid Meier's Civilization V/VI/VII! Here you will find detailed descriptions of all aspects of the game.
USA Pocket Maps Pro

Explore the United StatesState by State USA Pocket Maps Pro puts essential U.S. geography at your fingertips. Instantly access maps, facts, flags, and key details for all 50 state...
Moon Atlas

Explore a 3D globe of the Moon Moon Atlas is an astronomy application that lets you use pinch and finger gestures to manipulate a 3D globe of the Moon. This is a rendered sphere a...
DRR Rescue

The Essential Technical Rescue Field Operations Guide is now a multimedia App. This fullfeatured App provides digital access to 240 pages of highquality illustrated procedures with...
KRSUOR

Introducing KRSUOR, your comprehensive and indispensable resource for navigating the intricate web of Kentucky Laws. Whether you're a legal professional, law enforcement offic...
Prayer Times Qibla Compass Pro

Islamic App – Your Daily Companion for Faith Stay connected to your faith anytime, anywhere with our allinone Islamic app designed to support your daily worship and spiritual grow...
Unofficial Palia Notebook

Palia Notebook is an adfree companion application for the video game Palia to help keep track of your daily interactions with Palia villagers including daily chatting, gifts, their...
Gravity Ballistics

Gravity Ballistics is here to help you accurately calculate DOPE to scope your sniper rifle. This sniper rifle scope calculator stands out by using real shooting data. Shoot at a t...
ACNH Travel Guide

ACNH Travel Guide is the ultimate companion app for Animal Crossing: New Horizons. It provides you with all the information you need while playing the game, and lets you track your...
Collins Italian-English

Over 95,000 translations Conjugates thousands of Italian and English verbs Hundreds of usage notes and examples No internet connection required Carry a dependable Italian and E...
ARS FOG

The ARS Technical Rescue Instructor Field Guide puts essential rescue reference material and field calculators in your pocket. ...
Pipefitter App

All the same trusted information that is in The Pipe Fitters Field Book is now available in an App. THINK SMART WORK SAFE Information contained within the App; Length through hu...
Forvo Pronunciation

Improve your pronunciation with Forvo! Forvo Pronunciation App lets you listen, request and record pronunciations in more than 450 languages. With Forvo, you can search for wor...
The Warbler Guide

Warbler Guide App Tom Stephenson & Scott Whittle Winner of the 2016 PROSE Award for Best App/eProduct The Warbler Guide App is the perfect companion to Princeton’s revolution...
SkySafari 8 Pro

SkySafari 8 Pro sets a new standard for mobile astronomy. Built on the most complete astronomical database ever put on a phone, it delivers unmatched accuracy, powerful observing a...
SkySafari 7 Pro

SkySafari makes stargazing a simple pleasure. It has the largest database of any astronomy app, includes every comet, asteroid, satellite & solar system object ever discovered,...
Color Wheel

Digital, abstract, classic all types of color wheels in one app! A set of tools for painters and designers includes: Digital color wheel an indispensable tool for graphic design...
Knot IQ - The Bear Essentials

The BEST 3D Knot Tying Resource The Official Bear Essentials Knot Tying App! Completely offline, so you reference how to tie knots in the field or while out camping. Designed fo...
Knots 3D

Learn over 220 knots for fishing, climbing, boating, scouting and other applications of rope work. Knots 3D is the ultimate knottying app for fishermen, climbers, boaters and sco...
Assistant for Stardew Valley

Unofficial Assistant for Stardew Valley helps you optimize your farming experience. With this guide, you can: Browse the game encyclopedia: View information about crops, fish, it...
Animated Knots by Grog

Learn to tie knots (195+ knots) the fun and easy way from the creators of the web's #1 knot tying site. Animated Knots by Grog is simply the best, most comprehensive teaching ...
USCG Bootcamp Prep Kit

Features: Quizzes Study Reminders Useful Links Bootcamp Countdown Thorough Study Guide Packed Full Of Required Knowledge Allinone preparation guide for Bootcamp! With topi...
Oxygen Calculation Tool

Oxygen Calculation Tool is an app designed with transport medical professionals in mind. Once you enter your oxygen supply and a flow rate, your minutes of usable oxygen will be ge...
Wise Words for Moms

Wise Words for Moms is now an App! “She speaks with wisdom, and faithful instruction is on her tongue.” Prov 31:26 The wisdom of Wise Words for Moms is now available no matter wher...
Army Publications

Serving America's military professionals since 2013, the completely rebuilt Army Publications app delivers the comprehensive doctrine library modern Soldiers need. Now reimagi...
Life Application Study Bible

The Life Application Study Bible: Trusted by Millions, Refreshed for Today Discover how to put God’s Word into practice in your everyday life. For over 30 years, the Life Applica...
SkySafari

SkySafari 8 is a powerful planetarium that fits in your pocket, puts the universe at your fingertips, and is incredibly easy to use! Simply hold your device to the sky and quickly...
AsterScope

AsterScope is the transparent stargazing planner built for real observers from firsttime binocular users to seasoned deepsky hunters. Instead of dumping a wall of coordinates, it ...
Collins Bird Guide

‘It’s much more convenient than taking a big book with you...the Collins app is fantastic.’ – Chris Packham, Metro ‘The Collins Bird Guide app is destined to become a real triumph...
Countdown Maps

The Countdown Maps Mobile App is a fun and convenient way to keep track of your missionaries. Whether they are your children, parents, family, or friends, you can track as many Eld...
Lost Person Behavior

The Lost Person Behavior App is based upon the Search and Rescue (SAR) international gold standard reference tool on where to look for lost and missing persons. Every Public Safety...
The Forest Companion App

The Forest Companion App is an interactive Forest Map that shows you where items in the game are. Whether you're a new or returning player, this app's got you covered wit...
Congress Pro

Introducing Congress in Your Pocket, Professional Edition, for the second session of the 119th Congress (202526). Note: The app ships with the 119th Congress but only updates with...
Half-Staff Flag Alerts

HalfStaff Flag Alerts keeps you informed about official halfstaff observances even when they’re announced at the last minute so you’re never caught off guard. Never miss a halfst...
HazMat Reference

Your best quick reference for hazardous materials. Includes: NIOSH, CFR/HMT, NFPA, GHS, CAMEO information. This app serves as a quick reference and educational tool for employees ...