# THU vs WoziGrow

The clearest difference is in-app purchases: THU at none against WoziGrow's 1. WoziGrow's advantage is update cadence (every 2 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. WoziGrow sells 1 one-off in-app purchase. THU asks for nothing beyond the download.

THU ships an update every 3 weeks, WoziGrow every 2 days. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | THU | WoziGrow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (12 ratings)](https://appshunter.io/ios/app/wozigrow-visual-flashcards/id6755804611/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 56 MB |
| Requires iOS | **16.0** | 17.3 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Manfred Sablotny](https://appshunter.io/developer/1704998794) | [Wozi Pte. Ltd.](https://appshunter.io/developer/1092817989) |

## What reviewers say

### THU

[App page](https://appshunter.io/ios/app/thu-deutsch/id6473107181)

**In-app purchases:** none


### WoziGrow

[App page](https://appshunter.io/ios/app/wozigrow-visual-flashcards/id6755804611)

Learn new words through a visual game by collecting unique stickers for each term. This app uses spaced repetition and visual association to help beginners master vocabulary quickly. Track your progress and expand your collection across multiple languages.

**Highlights:** Visual flashcards with illustrations, Spaced repetition system (SRS), Sticker collection album, Beginner-focused vocabulary, Home screen widgets, 17+ languages supported

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WoziGrow Full Version | $6.99 | one-time |


## Frequently asked questions

### Is THU free?

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

### Is WoziGrow free?

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

### Do THU or WoziGrow have ads?

Neither THU nor WoziGrow shows ads.

### Which is updated more often, THU or WoziGrow?

THU ships an update every 3 weeks, and WoziGrow every 2 days. Most recently, THU was updated on October 3, 2026 and WoziGrow on October 24, 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.*