# USmart vs TD

The clearest difference is update cadence: TD at every 2 weeks against USmart's every 3 months. USmart's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

USmart ships an update every 3 months, TD every 2 weeks. The most recent releases landed on October 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | USmart | TD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 128 MB | 141 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [杭州品联科技有限公司](https://appshunter.io/developer/1133906765) | [Shenzhen TwoDreams Technology Co., Ltd.](https://appshunter.io/developer/1597707703) |

## What reviewers say

### USmart

[App page](https://appshunter.io/ios/app/usmart/id1449674452)

**In-app purchases:** none


### TD

[App page](https://appshunter.io/ios/app/td-r/id6449219424)

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

**In-app purchases:** none


## Frequently asked questions

### Is USmart free?

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

### Is TD free?

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

### Do USmart or TD have ads?

Neither USmart nor TD shows ads.

### Which is updated more often, USmart or TD?

USmart ships an update every 3 months, and TD every 2 weeks. Most recently, USmart was updated on October 1, 2026 and TD 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.*