Comparison

Mighty Flashcards vs Prime Not Prime

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mighty Flashcards

Create and study interactive flashcards with a wide range of question types and multimedia support. Organize your learning with custom tags, playlists, and smart study orders. Export and import decks to share or back up your study materials.

Highlights
  • Smart study order based on performance
  • Dynamic quizzes with multiple question types
  • Rich card content (text, images, audio, video)
  • Image and PDF to card conversion
  • Customizable quiz settings
  • Export and import study materials
  • Hands-free autoplay mode
Read full description

Packed with smart, powerful, and convenient features to help you learn anything! • Use the "Smart" order to study cards based on your active quiz and self-graded study performance. • Take dynamic quizzes from your cards (spelling, multiple choice, fill in the blank, typing, matching, ordering, true or false, drawing, audio, tap the visual area, quick review, and self-graded). • Configure your quizzes to include the number of questions, card side (front, back, random), card order (smart, random, custom), time limit, star filter, tags, answer options (similar, random, tags), autoplay (questions, answers, responses), and redo quiz (all, same, missed, correct). • Transform your images into dynamic visual decks with custom-defined touch areas for interactive learning. • Add rich text, images, audio, videos, drawings, links, lists, hints, and media captions to your cards. • Easily and quickly create cards from images, videos, and PDFs using the 'Extractor' tool. • Built-in drawing/annotation/grid tools, audio recorder, and highlighter (multiple colors). • Add multiple customizable tags to cards and organize them into configurable playlists. • Autoplay mode for convenient hands-free learning that automatically plays text, audio, video, and fullscreen images. • Seamlessly manage settings (formatting, autoplay, slideshow, text-to-speech) using a hierarchical scheme and reusable templates. • Export subjects, decks, and cards to backup or share as study guides with friends (delimited text files, PDF, Mighty, images, audio, video). • Import subjects, decks, and cards as text, images, audio, and video. • Conveniently import delimited text files by configuring the encoding, delimiter, header, and column map. • Study a custom selection of decks using stacks. • Star and filter your learned cards. • Move, copy, combine, and split your subjects, stacks, decks, and cards. • Sort by name, date (added, updated, viewed), study progress, count (cards, decks), or custom. • Search for subjects, stacks, decks, cards, descriptions, tags, and hints. • Bookmark your subjects, stacks, decks, and cards for quick access. • Add descriptions to your subjects, stacks, and decks. • Use external keyboard shortcuts to quickly navigate, create, and edit your cards. • Drag & drop text or images directly onto a deck to quickly create cards (via iPad Multitasking). --- Contact & Support: mighty.flashcards@gmail.com

About

Prime Not Prime

A fast-paced game that combines number recognition with a swiping mechanic. Players swipe right for prime numbers and left for non-primes, aiming to build long streaks. It's designed to be both educational and entertaining, with leaderboards for competitive play.

Highlights
  • Addictive swiping gameplay
  • Test prime number knowledge
  • Build streaks and complete challenges
  • Global leaderboards
  • Vibrant visuals and animations
Features
Read full description

Ready to swipe your way to prime number mastery? Prime Not Prime is the fun, fast-paced game where math meets swiping! Like Tinder for numbers, you swipe right for primes and left for everything else. Easy to learn, but can you handle the streak pressure? Features You’ll Love: • Addictive Swiping Gameplay: Swipe numbers left or right in a race against time. • Test Your Knowledge: Spot prime numbers and learn fun math facts. • Streaks and Challenges: Compete to see how long you can keep your streak alive. • Leaderboards: Challenge friends and global players to see who’s the prime master. • Widgets: Guess your prime numbers right from your Home Screen. • Fun Design: Vibrant visuals and satisfying animations make every swipe exciting. Whether you’re a math whiz or just love a challenge, Prime Not Prime is the ultimate game for your brain. Swipe, learn, and have fun with prime numbers! Privacy Policy & Terms: https://www.rspoon3.com/prime-not-prime/privacy/

Screenshots

Mighty Flashcards4 screens
Prime Not Prime4 screens

Verdict

The call

The clearest difference is price: Prime Not Prime at Free against Mighty Flashcards's $14.99. Prime Not Prime also leads on review sentiment (100% vs 83%). Mighty Flashcards's advantage is rating (4.7 vs 4.3) and ratings volume (86 vs 6). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Prime Not Prime is free to download; Mighty Flashcards costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Mighty Flashcards holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Mighty Flashcards has 86 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 83% of Mighty Flashcards's written reviews are positive against 100% of Prime Not Prime's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Mighty Flashcards ships an update every 2 months, Prime Not Prime monthly. The most recent releases landed on September 21, 2026 and September 8, 2026 respectively.

Scorecard4 real differences · 6 level
Mighty Flashcards versus Prime Not Prime: the parameters behind the verdict, then further details
ParameterMighty FlashcardsPrime Not Prime
Price$14.99Free — better
Rating4.7 (86 ratings) — better4.3 (6 ratings)
Positive reviews83.3% of reviews100.0% of reviews — better
Number of ratings86 — better6
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad — betteriPhone
Requires iOS17.517.0 — better
Further details — not scored
Size4 MB15 MB
Age rating4+4+
DeveloperDANIEL M DUARTE JRRichard Witherspoon

Customer experience

Mighty Flashcards

All ratings86 ratings
Positive90.7%
Neutral4.7%
Negative4.7%
Written reviews18 reviews
Positive83.3%
Neutral11.1%
Negative5.6%

Prime Not Prime

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Mighty Flashcards

No in-app purchases

None

Prime Not Prime

No in-app purchases

Questions

Is Mighty Flashcards free?
Mighty Flashcards costs $14.99, with no in-app purchases.
Is Prime Not Prime free?
Prime Not Prime is free to download, with no in-app purchases.
Which has better reviews, Mighty Flashcards or Prime Not Prime?
Mighty Flashcards is rated higher. Mighty Flashcards averages 4.7 out of 5 from 86 ratings, while Prime Not Prime averages 4.3 from 6 ratings.
Do Mighty Flashcards or Prime Not Prime have ads?
Neither Mighty Flashcards nor Prime Not Prime shows ads.
Which is updated more often, Mighty Flashcards or Prime Not Prime?
Mighty Flashcards ships an update every 2 months, and Prime Not Prime monthly. Most recently, Mighty Flashcards was updated on September 21, 2026 and Prime Not Prime on September 8, 2026.

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