# D.box vs 恒通研究院

The clearest difference is in-app purchases: D.box at none against 恒通研究院's 6. D.box also leads on update cadence (every 2 weeks vs every 5 weeks). 恒通研究院's advantage is iOS requirement (10.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. 恒通研究院 sells 6 one-off in-app purchases. D.box asks for nothing beyond the download.

D.box ships an update every 2 weeks, 恒通研究院 every 5 weeks. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | D.box | 恒通研究院 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Size | 147 MB | 67 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dongyi Rising-sun Co., Ltd.](https://appshunter.io/developer/928420161) | [Hengyutong Online (Tianjin) Education Technology Co., Ltd.](https://appshunter.io/developer/1525053472) |

## What reviewers say

### D.box

[App page](https://appshunter.io/ios/app/dbox/id1494105415)

**In-app purchases:** none


### 恒通研究院

[App page](https://appshunter.io/ios/app/id1525053470)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6元恒通币充值 | $0.99 | one-time |
| 1元恒通币充值 | $0.99 | one-time |
| 12元恒通币充值 | $1.99 | one-time |
| 30元恒通币充值 | $4.99 | one-time |
| 68元恒通币充值 | $9.99 | one-time |
| 98元恒通币充值 | $14.99 | one-time |


## Frequently asked questions

### Is D.box free?

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

### Is 恒通研究院 free?

恒通研究院 is free to download, with in-app purchases available.

### Do D.box or 恒通研究院 have ads?

Neither D.box nor 恒通研究院 shows ads.

### Which is updated more often, D.box or 恒通研究院?

D.box ships an update every 2 weeks, and 恒通研究院 every 5 weeks. Most recently, D.box was updated on November 3, 2026 and 恒通研究院 on October 29, 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.*