# ChunkFlow vs LetterCub

The clearest difference is in-app purchases: LetterCub at none against ChunkFlow's 2. LetterCub also leads on iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. ChunkFlow sells 2 in-app purchases, starting at $4.99 per month. LetterCub asks for nothing beyond the download.

## The numbers

| Metric | ChunkFlow | LetterCub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chunkflow/id6795199051/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Freemium | — |
| Size | 53 MB | 30 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [易欢 张](https://appshunter.io/developer/6794977153) | [BloomLabz Private Limited](https://appshunter.io/developer/6794216225) |

## What reviewers say

### ChunkFlow

[App page](https://appshunter.io/ios/app/chunkflow/id6795199051)

Master French speaking by learning real-world expressions and sentence chunks. Understand context, pronunciation, and syntax to build fluency naturally. Review with flashcards and integrate learned content into your conversations.

**Highlights:** Chunk-learning method, Extract and understand real-world expressions, Syntax analysis and pronunciation practice, Flashcard review system, Contextual vocabulary lookup, Cyclical learning for retention

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChunkFlow Pro | $4.99 | per month |
| ChunkFlow Pro Annual | $29.99 | per year |


### LetterCub

[App page](https://appshunter.io/ios/app/lettercub/id6796939928)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChunkFlow free?

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

### Is LetterCub free?

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

### Do ChunkFlow or LetterCub have ads?

Neither ChunkFlow nor LetterCub shows ads.

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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.*