# 多多識字 vs TTGREEN

The clearest difference is in-app purchases: TTGREEN at none against 多多識字's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 多多識字 sells 3 one-off in-app purchases. TTGREEN asks for nothing beyond the download.

多多識字 ships an update every 4 weeks, TTGREEN every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 多多識字 | TTGREEN |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Size | 222 MB | 72 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BEST PICTURE BOOK LIMITED](https://appshunter.io/developer/1563666707) | [Tian Tian (Kwai Chung Central Kitchen) Company Limited](https://appshunter.io/developer/1767574615) |

## What reviewers say

### 多多識字

[App page](https://appshunter.io/ios/app/id1563666705)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月套餐 | $7.99 | one-time |
| 年套餐 | $23.99 | one-time |
| 终身套餐 | $36.99 | one-time |


### TTGREEN

[App page](https://appshunter.io/ios/app/ttgreen/id6670191320)

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

**In-app purchases:** none


## Frequently asked questions

### Is 多多識字 free?

多多識字 is free to download, with in-app purchases available.

### Is TTGREEN free?

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

### Do 多多識字 or TTGREEN have ads?

Neither 多多識字 nor TTGREEN shows ads.

### Which is updated more often, 多多識字 or TTGREEN?

多多識字 ships an update every 4 weeks, and TTGREEN every 3 weeks. Most recently, 多多識字 was updated on October 24, 2026 and TTGREEN on October 25, 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.*