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Best Refrena Apps

232+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

Out of 232+ refrena apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Refrena

World Map +#1

World Map + by Appventions

Quick Reference World Maps
Editor's Choice
πŸ” Reference
4.7😐(7.1K ratings)
FreeAds
World Map + screenshot 1
World Map + screenshot 2
World Map + screenshot 3
World Map + screenshot 4

Access essential world maps for quick reference and navigation. Explore political, detailed, and time zone maps, with interesting facts about countries. Works online and offline, ideal for students, travelers, and curious minds.

What We Love

  • πŸ—ΊοΈ Quick reference for travel
  • 🌍 Excellent world map resource
  • πŸ‘ Easy to use and navigate
  • πŸŽ“ Helpful for learning geography

Room to Improve

  • πŸ—ΊοΈ Lacks detailed maps and zooming capabilities
  • πŸ› Interactive map not functioning properly
  • πŸ—ΊοΈ Inaccurate or outdated map information
Merlin Bird ID by Cornell Lab#2

Merlin Bird ID by Cornell Lab by Cornell University

Identify Birds You See & Hear
Strong Contender
πŸ” Reference
4.9😊(108K ratings)
FreeAds
#2in Reference
Merlin Bird ID by Cornell Lab screenshot 1
Merlin Bird ID by Cornell Lab screenshot 2
Merlin Bird ID by Cornell Lab screenshot 3
Merlin Bird ID by Cornell Lab screenshot 4
Merlin Bird ID by Cornell Lab screenshot 5
Merlin Bird ID by Cornell Lab screenshot 6

Easily identify birds by sight or sound using advanced machine learning. Explore birds in your region, track your sightings, and learn about species with photos, sounds, and range maps. This free app from the Cornell Lab of Ornithology helps build your birding skills.

What We Love

  • πŸš€ Helpful for bird identification
  • πŸ”’ Accurate bird identification
  • πŸ‘ Easy to use
  • πŸ‘ Useful for beginners and experts

Room to Improve

  • πŸ› Sound ID not always accurate
  • πŸ› Occasional crashes or bugs
  • πŸ› Difficulty adding birds to life list
NASA#3

NASA by NASA

Worth Considering
πŸ“š Education
4.8😊(64K ratings)
Free
NASA screenshot 1
NASA screenshot 2
NASA screenshot 3

Explore the universe with access to live and on-demand NASA+ videos, a vast collection of stunning images, and the latest mission news. Discover interactive augmented reality experiences and track the International Space Station's path.

What We Love

  • πŸš€ Fast loading
  • πŸ‘ Informative and educational
  • 🌟 Amazing images and videos
  • πŸ’» Great for learning about space

Room to Improve

  • πŸ› Crashes and freezes
  • πŸ” Difficult to navigate and find content
  • πŸ“Ί Missing live streaming features

More Refrena apps to explore

4
Vocabulary - Learn words daily
Vocabulary - Learn words daily
Vocabulary - Learn words daily
Erweitern Sie Ihren Wortschatz
Free

Expand your vocabulary with daily word learning and engaging games. This app offers customizable learning paths and difficulty levels to suit your English proficiency. Make vocabulary acquisition a fun and effective part of your routine.

Learn new words dailyCustomizable difficulty levelsSelect vocabulary categories
πŸ“š Education
(205K)
free with in-app purchases
5
Magic Poser - Art Pose Tool
Magic Poser - Art Pose Tool
Magic Poser - Art Pose Tool
Best 3D pose reference app
Free

This app provides a 3D character posing tool for artists, allowing them to create custom scenes with realistic anatomy, lighting, and props. It offers intuitive drag-and-pose controls and extensive libraries for detailed artwork creation.

Intuitive drag-and-pose controlsRealistic 3D character modelsAdvanced physics engine for posing
🎨 Graphics & Design
(12K)
freemium
6
Wikipedia
Wikipedia
Wikipedia
The Free Encyclopedia
Free

Access the world's largest free knowledge base with over 60 million articles in nearly 300 languages. Explore trending topics, save articles for offline reading, and customize your reading experience with various themes and text sizes. Contribute to the community by editing articles and participating in discussions.

Ad-free and free knowledge access60+ million articles in 300+ languagesPersonalized trending news feed
πŸ” Reference
(6.1K)
free
7
Dictionary.com: English Words
Dictionary.com: English Words
Dictionary.com: English Words
Dictionary, Thesaurus, Vocab
Free

Access over 2 million trusted definitions and synonyms for English words. Enhance your vocabulary with daily new words, example sentences, and audio pronunciations. This app provides grammar tips and editorial content to deepen your understanding of the English language.

2 million+ definitions and synonymsWord of the DayExample sentences
πŸ” Reference
(328K)
free with in-app purchases
8
Value Study: art reference
Value Study: art reference
Value Study: art reference
Analyze light and shadow
Free

This app helps artists improve their skills by analyzing light and shadow in reference images. It allows users to break down tones step-by-step, from simple black and white to more complex value ranges, aiding in the understanding of depth and form. It's a tool to enhance traditional art studies.

Step-by-step tone breakdownHighlighting areas of same valueFocus on light, shadow, and form
🎨 Graphics & Design
(3.2K)
free with in-app purchases
9
Planta: Plant & Garden Care
Planta: Plant & Garden Care
Planta: Plant & Garden Care
Happy Life, Happy Plants!
Free

Identify plants with a photo, receive personalized care schedules, and get help diagnosing plant problems. Track your plant's progress and learn from a community of plant lovers.

AI plant identificationPersonalized care schedulesPlant problem diagnosis
🌟 Lifestyle
(111K)
subscription
10
Medical Dictionary by Farlex
Medical Dictionary by Farlex
Medical Dictionary by Farlex
Healthcare Terminology
Free

Access over 180,000 medical terms with clear definitions, audio pronunciations, and images from authoritative sources. This free app is ideal for healthcare professionals, students, and anyone curious about medical terminology, offering offline access to a vast glossary.

180,000+ medical terms and definitionsOffline access to 40,000+ entriesThousands of medical abbreviations
πŸ₯ Medical
(6.5K)
free with in-app purchases
11
Word of the Day・Vocabulary
Word of the Day・Vocabulary
Word of the Day・Vocabulary
Vocab Builder & Word Games
Free

Enhance your vocabulary with daily words, engaging games, and personalized quizzes. This app offers expert-curated content and interactive challenges to make learning stick and improve your communication skills.

Daily word insights with definitions and examplesVocabulary assessment and personalized learning plansWord games like Hangman and Gaps
πŸ“š Education
(38K)
free with in-app purchases
12
WordReference Dictionary
WordReference Dictionary
WordReference Dictionary
by WordReference.com, LLC
Free

Access a comprehensive suite of dictionaries and translation tools for multiple languages. Explore conjugations, synonyms, and a vast forum with millions of answered questions. This app provides quick access to extensive language resources.

Extensive multilingual dictionariesVerb conjugatorsSynonym finder
πŸ” Reference
(5)
ad-supported
13
Brilliant: Learn Math & Coding
Brilliant: Learn Math & Coding
Brilliant: Learn Math & Coding
Your personal tutor
Free

Master math and computer science through interactive, visual lessons. This app focuses on active problem-solving and personalized practice to build critical thinking and STEM skills. Ideal for students and lifelong learners seeking to deepen their understanding and confidence.

Interactive problem-solving lessonsPersonalized practice setsVisual explanations of concepts
πŸ“š Education
(30K)
free with in-app purchases
14
Facts - Daily Random Trivia
Facts - Daily Random Trivia
Facts - Daily Random Trivia
Learn new interesting things
Free

Expand your knowledge with daily random trivia and interesting facts across various categories. Amaze others with your newfound wisdom or simply enjoy learning something new each day. Explore thousands of facts and customize your learning experience.

Daily random factsThousands of factsCategorized facts
πŸ” Reference
(64K)
free with in-app purchases
15
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Oxford Dictionary & Thesaurus
Thesaurus & Offline Vocabulary
Free

Access a vast collection of dictionaries and thesauruses with definitions, pronunciations, and etymology. Features include offline access, advanced search options, and personalized word lists. Ideal for students, professionals, and word enthusiasts.

15 Oxford DictionariesThesaurus integrationAudio pronunciations
πŸ” Reference
(28K)
free with in-app purchases
16
Audubon Bird Guide
Audubon Bird Guide
Audubon Bird Guide
Identify over 800 bird species
Free

Identify North American birds with this comprehensive field guide. Features include a bird ID tool based on observations, detailed species information with photos and audio, and a personal sightings log. Discover nearby birding locations and connect with conservation efforts.

Bird identification toolDetailed species profilesBird song and call audio
πŸ” Reference
(4.5K)
free with in-app purchases
17
Mosby's Drug Reference
Mosby's Drug Reference
Mosby's Drug Reference
Over 5,000 Drug Listings
Free

This app provides healthcare professionals with comprehensive drug information, including actions, usage, dosage, interactions, and side effects. It emphasizes patient safety with Black Box Warnings, Safety Alerts, and information on life-threatening side effects. Features include custom notes, highlights, and quick search functionality.

Over 5,000 drug listingsBlack Box Warnings and Safety AlertsDrug action, usage, dosage, interactions, side effects
πŸ₯ Medical
(233)
free with in-app purchases
18
Curio - Antique Identifier
Curio - Antique Identifier
Curio - Antique Identifier
Antiques Appraiser by Picture
Free

Identify, understand, and value your antiques with just a photo. Get instant identification, historical context, and estimated market value for your treasures. Organize your collection and explore similar items online.

Instant antique identification by photoDetailed historical context and originEstimated market value appraisals
πŸ” Reference
(13K)
free with in-app purchases
19
Police Scanner Radio & Fire
Police Scanner Radio & Fire
Police Scanner Radio & Fire
Live Breaking News & Alerts
Free

Listen to live police, fire, and emergency radio broadcasts from around the world. Receive breaking news alerts and stay informed about local events and major national incidents in real time.

Live police and fire scanner broadcastsBreaking news alertsLocal and national event updates
πŸ“‘ News
(523K)
free with in-app purchases
20
Merriam-Webster Dictionary
Merriam-Webster Dictionary
Merriam-Webster Dictionary
by Merriam-Webster, Inc.
Free

Access America's most respected dictionary, updated with new words and meanings. This app offers offline access, voice search, daily vocabulary challenges, and a thesaurus. It's designed for English language reference, education, and vocabulary enhancement.

Offline dictionary accessVoice search for wordsDaily Word of the Day
πŸ” Reference
(320K)
free with in-app purchases

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