# Buffl vs HSF Study

The clearest difference is review sentiment: Buffl at 94% against HSF Study's 27%. Buffl also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). HSF Study's advantage is in-app purchases (none vs 2). On price, update cadence and device support there is nothing between them.

Both are free to download. Buffl sells 2 in-app purchases, starting at $3.99 per month. HSF Study asks for nothing beyond the download.

Buffl ships an update monthly, HSF Study every 3 weeks. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Buffl | HSF Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/buffl-learn-with-flashcards/id1144134340/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | **93.5% of reviews** | 27.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 66 MB | 46 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brain Factory](https://appshunter.io/developer/987464294) | [Carl Remigius Fresenius Education AG](https://appshunter.io/developer/681675742) |

## What reviewers say

### 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 |


### HSF Study

[App page](https://appshunter.io/ios/app/hsf-study/id1660449017)

Discover suitable Bachelor's or Master's programs with a quiz. Get personalized advice from study counselors and easily apply by scanning your certificates. Manage study documents, access portals, and view your schedule.

**Highlights:** Program finder quiz, Study counseling contact, Certificate scanning for application, Centralized document storage, Bundled portal access, Personalized daily feed, Integrated timetable

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Buffl free?

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

### Is HSF Study free?

HSF Study is free to download, with no in-app purchases.

### Do Buffl or HSF Study have ads?

HSF Study shows ads; Buffl does not.

### Which is updated more often, Buffl or HSF Study?

Buffl ships an update monthly, and HSF Study every 3 weeks. Most recently, Buffl was updated on October 7, 2026 and HSF Study on October 1, 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.*