Federgraph vs Plain Flashcards
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Federgraph
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Federgraph is a function plotter app to visualize a special built in function z = f(x, y) in 3D. The physical model behind the app is a system of springs. The built in function produces a variety of colorful pictures, some of which appear to have a face. Changing the parameters of the physical model will trigger a recalculation of the image.
Plain Flashcards
Create flashcards from text, PDFs, or images using AI. Supports spaced repetition, translation, and pronunciation for over 20 languages. Syncs across devices and offers customizable study sessions.
- AI flashcard generation from text, PDF, or image
- Spaced repetition system (SRS)
- Translation and pronunciation for 20+ languages
- iCloud sync across devices
- Customizable study sessions and reminders
- Import and export card data
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Flashcards app is ideal for expanding vocabulary, foreign language learning, and training for exams with spaced repetition support. New: AI Flashcards Generation Generate complete study sets in seconds from a text prompt, a PDF document, or an image. Powered by advanced AI to help you skip the manual entry and start studying immediately. Key Features: - Create your own lists of cards using text and images. - Spaced repetition support (SRS) for long-term retention. - Translation and pronunciation support for 20+ languages. - iCloud Sync: Keep your cards safe and synced across all your devices - Set reminders to stay consistent with your goals. - Export and import cards to stay in control of your data. - Shuffle mode and customizable study sessions. Privacy Policy: https://goingmerry.xyz/privacy-policy/ Terms of Use: https://goingmerry.xyz/terms-conditions/
Screenshots
Verdict
The clearest difference is in-app purchases: Federgraph at none against Plain Flashcards's 4. Federgraph also leads on iOS requirement (15.0 vs 18.0). Plain Flashcards's advantage is update cadence (weekly vs every 15 months). On price, ads and device support 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
Both are free to download. Plain Flashcards sells 4 in-app purchases, starting at $3.99 per month. Federgraph asks for nothing beyond the download.
Federgraph ships an update every 15 months, Plain Flashcards weekly. The most recent releases landed on September 9, 2026 and September 23, 2026 respectively.
| Parameter | Federgraph | Plain Flashcards |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (281 ratings) — better |
| Positive reviews | — | 73.4% of reviews |
| Number of ratings | — | 281 — better |
| Update frequency | Every 15 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 29 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Gustav Schubert | Going Merry LLC |
Bugs and requests
Federgraph
Not enough reviews yet to summarise bugs or requests.
Plain Flashcards
Reported bugs
20 issues- Cannot turn off shuffle feature
- Cards automatically shuffle and cannot be turned off
- Cannot rename or move sets of cards and have them stay in order
- Editing order is inconsistent
- Swiping to move cards is finicky
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- No search function within decks
- Not optimized for iPad
- Text-to-speech quality is poor
- Daily study limits or lockout
- Photo replacement bug after adding new photos
- Translation feature is unreliable or stops working
- App crashes when exporting decks
- Cannot delete cards easily
- Spaced repetition feature not working correctly
- Audio sometimes doesn't play
- Translation button not responding
- Cards flip over when studying in reverse
- Tutorial is confusing
- Cards disappear after writing them
- Scrolling issues after updates
Requested features
33 requests- Option to turn off shuffle
- Ability to move multiple cards at once
- Search function within decks
- Folders for organizing decks
- Ability to merge decks
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- Ability to duplicate decks
- Alphabetical sorting of cards
- Option to edit individual cards easily
- Improved iPad interface
- Widget support
- Apple Watch integration
- Option to donate to developer
- Ability to combine decks
- More consistent translation functionality
- Improve text-to-speech quality
- Add a share feature for decks
- Ability to see a list of all cards in a deck
- Option to pin decks
- Improve photo handling
- Add drawing/annotation capabilities
- Option to customize font size
- Option to see how many cards are left
- Back/front arrow for faster review
- Increase photo size option
- Option to manually arrange cards
- Ability to move cards between decks in bulk
- Rearrange order of decks
- Improve spaced repetition functionality
- Option to combine decks or select multiple cards at once
- Option to add icons to decks
- Option to change card colors or add icons for front/back
- Ability to delete decks
- Add a tutorial or better instructions
In-app purchases
Federgraph
No in-app purchases
Plain Flashcards
- Plain Flashcards Plus - Monthly$3.991 Month
- Plain Flashcards Plus - Annual$17.991 Year
- Say Thanks$1.99
- Support the Mission$4.99
Questions
Is Federgraph free?
Is Plain Flashcards free?
Do Federgraph or Plain Flashcards have ads?
Which is updated more often, Federgraph or Plain Flashcards?
Other comparisons
