# Memhack vs Data Science Academy

The clearest difference is in-app purchases: Memhack at none against Data Science Academy's 3. Memhack also leads on iOS requirement (12.0 vs 15.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Data Science Academy sells 3 one-off in-app purchases. Memhack asks for nothing beyond the download.

Memhack ships an update monthly, Data Science Academy every 2 months. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Memhack | Data Science Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/memhack/id1528218113/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 40.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 81 MB | 111 MB |
| Requires iOS | **12.0** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FLUENCY ACADEMY ENSINO DE IDIOMAS](https://appshunter.io/developer/1408907037) | [SUCESSO TECNOLOGIA E INFORMACAO LTDA](https://appshunter.io/developer/1629602013) |

## What reviewers say

### Memhack

[App page](https://appshunter.io/ios/app/memhack/id1528218113)

This app uses a spaced repetition system to help you memorize vocabulary, sentences, and grammar rules. It provides pre-made flashcards created by teachers for an optimal learning experience. Sync your progress across devices and focus on learning without the hassle of creating your own study materials.

**Highlights:** Spaced repetition system algorithm, Teacher-created flashcards, Personalized review schedule, Intuitive and user-friendly interface, Web and mobile app sync, Pre-made study materials

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and easy to use
- 💡 Good for memorization
- 🚀 Dynamic and personalized learning
- 👍 Great learning tool
- 👍 Practical and useful

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Login issues
- 🐛 Decks disappear
- 🐛 Progress not saved
- 🐛 App freezes

**Reported bugs**

- App closes unexpectedly during study sessions
- Cannot log in or reset password
- Decks disappear or are deleted
- Progress is not saved
- App freezes or becomes unresponsive

**Requested features**

- Option to delete cards/decks
- Ability to create custom subjects/classes
- Integration with Fluency Academy lessons/videos
- Option to create own cards or export existing ones
- Feature to practice pronunciation with AI or real people


### Data Science Academy

[App page](https://appshunter.io/ios/app/data-science-academy/id1629602011)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI: Fundamentos 2.0 | Free | one-time |
| Intro à Ciência de Dados 3.0 | Free | one-time |
| Big Data Fundamentos 3.0 | Free | one-time |


## Frequently asked questions

### Is Memhack free?

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

### Is Data Science Academy free?

Data Science Academy is free to download, with in-app purchases available.

### Do Memhack or Data Science Academy have ads?

Neither Memhack nor Data Science Academy shows ads.

### Which is updated more often, Memhack or Data Science Academy?

Memhack ships an update monthly, and Data Science Academy every 2 months. Most recently, Memhack was updated on October 7, 2026 and Data Science Academy on October 4, 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.*