# card2brain flashcards vs Buffl

The clearest difference is rating: Buffl at 5.0 against card2brain flashcards's 4.6. Buffl also leads on review sentiment (94% vs 75%) and update cadence (monthly vs every 3 months). card2brain flashcards's advantage is monetization model (free vs free with in-app purchases). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. card2brain flashcards sells 2 one-off in-app purchases and Buffl sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Buffl holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 5 and 11 respectively. Written reviews point the same way: 75% of card2brain flashcards's written reviews are positive against 94% of Buffl's.

card2brain flashcards ships an update every 3 months, Buffl monthly. The most recent releases landed on June 5, 2026 and July 9, 2026 respectively.

## The numbers

| Metric | card2brain flashcards | Buffl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/card2brain-flashcards/id412718155/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/buffl-learn-with-flashcards/id1144134340/reviews)** |
| Number of ratings | 5 | **11** |
| Positive reviews | 75.0% of reviews | **93.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 66 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [webapps Burgdorf GmbH](https://appshunter.io/developer/721318689) | [Brain Factory](https://appshunter.io/developer/987464294) |

## What reviewers say

### card2brain flashcards

[App page](https://appshunter.io/ios/app/card2brain-flashcards/id412718155)

Create and study flashcards on the go with millions of existing options. Collaborate with friends, join learning groups, and revise systematically using spaced repetition. Access your learning progress across multiple devices, even offline.

**Highlights:** Millions of pre-made flashcards, Create custom flashcards, Spaced repetition learning system, Collaborate and share with friends, Offline study mode, Cross-device synchronization

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PREMIUM (12 months) | $24.99 | one-time |
| TEACHER (12 months) | $39.99 | one-time |


### Buffl

[App page](https://appshunter.io/ios/app/buffl-learn-with-flashcards/id1144134340)

Create and study custom flashcards for any subject, from school to work. Collaborate with others, learn offline, and track your progress with an intuitive system. Supports images, multiple-choice questions, and various learning modes.

**Highlights:** Create custom flashcards, Multiple choice questions, Offline learning and creation, Cloud synchronization, Collaborative course sharing, Progress tracking, Speed learning mode

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buffl Premium | $3.99 | per month |
| Buffl Premium | $28.99 | per year |


## Frequently asked questions

### Is card2brain flashcards free?

card2brain flashcards is free to download, with in-app purchases available.

### Is Buffl free?

Buffl is free to download, with in-app purchases available.

### Which has better reviews, card2brain flashcards or Buffl?

Buffl is rated higher. card2brain flashcards averages 4.6 out of 5 from 5 ratings, while Buffl averages 5.0 from 11 ratings.

### Do card2brain flashcards or Buffl have ads?

Neither card2brain flashcards nor Buffl shows ads.

### Which is updated more often, card2brain flashcards or Buffl?

card2brain flashcards ships an update every 3 months, and Buffl monthly. Most recently, card2brain flashcards was updated on June 5, 2026 and Buffl on July 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*