Best Retain Apps

224+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good retain apps. We benchmark 224+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Retain Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Retain Cards: AI FlashcardsRetain Cards: AI FlashcardsFree4.3★ (236)NoYesSep 2026
2Retain MobileRetain MobileFree3.7★ (12)NoNoAug 2026
3RetainRetainFree4.8★ (4)NoNoMay 2026
4Retain: AI FlashcardsRetain: AI FlashcardsFree5.0★ (3)NoYesSep 2026
5Retain Mobile AppRetain Mobile AppFreeNoNoJun 2026
6Retain Cards: AI FlashcardRetain Cards: AI FlashcardFree5.0★ (2)NoYesSep 2026
7Retain HealthcareRetain HealthcareFreeNoNoMay 2026
8Retain: GLP-1 Muscle CareRetain: GLP-1 Muscle CareFreeNoYesJul 2026

Top Picks for Retain

Retain Cards: AI Flashcards#1

Retain Cards: AI Flashcards by Retain Labs GmbH

Cut your study time in half
Editor's Choice
📚 Education
4.3(236 ratings)
FreeIn-App Purchases
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This AI-powered flashcard app transforms your learning materials into effective study tools. Upload documents, videos, or notes to automatically generate flashcards and receive a personalized study plan based on your exam dates and goals. Optimize your learning with spaced repetition and active recall.

Retain Mobile#2

Retain Mobile by Teamworks Innovations Inc

Student Success Application
Strong Contender
📚 Education
3.7(12 ratings)
Free
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This application provides students and tutors in higher education with mobile access to academic support services. Students can manage their schedules, tasks, and communicate with advisors, while tutors can view their appointments and file session reports.

Retain#3
4.8(4 ratings)
Free
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Easily capture and upload customer photos to a system for tracking sales and building your customer base. The app allows for quick photo taking, previewing, and background uploading, with SMS confirmation for successful uploads.

More Retain apps to explore

FAQ about Retain

What are the best retain apps for iPhone?
Retain Cards: AI Flashcards tops our retain apps ranking as of September 2026, with a 4.3-star average from 236 App Store ratings, and it's free to download.
Yes — 20 of the top retain apps we rank are free to download, including Retain Cards: AI Flashcards and Retain Mobile.
Retain Cards: AI Flashcards has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 224+ retain apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The AI analyzes your uploaded study materials, which can include PDFs, slides, handwritten notes, YouTube videos, and online lectures. It then extracts key information and concepts to create flashcards, which you can verify. This process aims to quickly transform your existing study content into a format optimized for memorization and recall.
Yes, the app allows you to import Anki decks directly. This feature enables users to transition their existing study materials from Anki to Retain Cards, potentially benefiting from the AI generation and personalized study planning features. Your learning progress can also be synced across devices.

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