# USmart vs DataM

The clearest difference is iOS requirement: USmart at 11.0 against DataM's 14.0. On price, update cadence, ads and in-app purchases 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, DataM every 4 months. The most recent releases landed on September 13, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | USmart | DataM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 128 MB | 18 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [杭州品联科技有限公司](https://appshunter.io/developer/1133906765) | [纳 王](https://appshunter.io/developer/1077589985) |

## What reviewers say

### USmart

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

**In-app purchases:** none


### DataM

[App page](https://appshunter.io/ios/app/datam/id1522635338)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is USmart free?

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

### Is DataM free?

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

### Do USmart or DataM have ads?

Neither USmart nor DataM shows ads.

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

USmart ships an update every 3 months, and DataM every 4 months. Most recently, USmart was updated on September 13, 2026 and DataM on June 10, 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.*