Flashcards 3D vs Engram
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Flashcards 3D
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Flashcards 3D brings your flashcards to life in three dimensions. The cards feel like physical objects in your hand. You can move and flip them for a more immersive learning experience. # Key features: - Easily generate up to 1000 flashcards by AI. - View and interact with flashcards in 3D. - Build long-term memory retention with Spaced Repetition Algorithm. - Use random practice mode for cramming. - Practice pronunciation with audio flashcards. - Dictionary: translate word among popular languages while practicing flashcards. - Flashcard hand drawing. - Add and manage flashcard collection easily and in offline mode. - Flashcard collection can be imported and shared as CSV file. - Support hand drawing on the card. - Support word lookup to double check flashcard content. - Support languages: English, Japanese, Chinese, Korean, Thai, Vietnamese. # For AI-Generated flashcards Data is sourced from leading open-source word banks, including CC-CEDICT , Wiktionary and more. If the requested content is not available in these word banks, it may be generated by a Large Language Model. You can double check the content by using lookup feature. When editing the card, press on the [Lookup icon], you will be redirected to Cambridge Dictionary, or Oxford website to verify and update the content manually. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Engram
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You study something, you know it, and a week later it's gone. Sound familiar? Forgetting isn't a willpower problem. Most of the time it comes down to two things: how you encode information, and when you review it. Engram is a flashcard app built around exactly those two things. โ Review right before you forget FSRS, a modern spaced repetition algorithm, predicts when each card is about to slip away and brings it back just in time. You don't re-read everything every day. Fewer reviews, longer-lasting memory. โ Practice how you remember Five encoding strategies from memory research, practiced on your actual cards: - Rephrase: put it in your own words - Self-reference: connect it to your own life - Teach: organize it as if explaining to someone - Story: link ideas into a narrative - Visualize: picture it in your head On-device AI comments on what you write. In Teach mode it becomes a short dialogue that helps you find the fuzzy spots in your understanding. โ Memory Palace Place the things you want to remember along a familiar route, then walk it in your head. A classic mnemonic technique, practiced inside the app. โ Brain Check Short mini-games measure traits like working memory and plot them on a radar chart. Note: the mini-games are for measuring and tracking your own memory traits. They are not claimed to improve memory overall. โ Quick capture Make cards from photos, audio, or text. You can also sketch things by hand to remember them. โ Private by design Your study data and all AI processing stay on your iPhone. Nothing is sent to a server, and no account is required. โ Engram Pro Unlimited decks, memory palaces, and AI, plus iCloud sync. ยฅ600/month or ยฅ4,000/year, with a 7-day free trial on the yearly plan. Good for exam prep, language vocabulary, technical terms, names, and anything else you want to keep for the long run. Note on effectiveness: Engram does not claim to improve general memory or intelligence on its own. What it provides is practice with encoding strategies, review scheduling based on spaced repetition, and measurement of your own memory traits. โโโ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://gokigen.space/engram/privacy Subscriptions renew automatically unless turned off at least 24 hours before the end of the period. Your account is charged through the App Store, and you can manage or cancel renewal anytime in your account settings after purchase.
Screenshots
Verdict
Flashcards 3D and Engram are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Flashcards 3D sells 7 in-app purchases, starting at $5.99 per month and Engram sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Flashcards 3D ships an update every 5 days, Engram weekly. The most recent releases landed on September 14, 2026 and September 7, 2026 respectively.
| Parameter | Flashcards 3D | Engram |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days โ better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 18 | 17.0 โ better |
| Further details โ not scored | ||
| Size | 57 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Nhut Huynh | Hirosuke Yonekubo |
In-app purchases
Flashcards 3D
- Flashy Monthly7 Days trial$5.991 Month
- Monthly Package3 Days trial$6.991 Month
- Flashy 3 Months7 Days trial$12.993 Months
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- Flashy Yearly7 Days trial$34.991 Year
- Yearly Package3 Days trial$59.991 Year
- Daily Usage Reset$1.99
- AI Boost Pack$1.99
Engram
- Engram Pro (Monthly)$3.991 Month
- Engram Pro (Yearly)7 Days trial$24.991 Year









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