# Umi BP vs iProtin

The clearest difference is update cadence: iProtin at every 2 weeks against Umi BP's every 4 months. 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.

Umi BP ships an update every 4 months, iProtin every 2 weeks. Both last shipped on October 27, 2026.

## The numbers

| Metric | Umi BP | iProtin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 5 MB | 43 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [RUIWEI SHEN](https://appshunter.io/developer/719008614) | [tst biomedical electronics Company Limited](https://appshunter.io/developer/1722982362) |

## What reviewers say

### Umi BP

[App page](https://appshunter.io/ios/app/umi-bp/id1609490290)

**In-app purchases:** none


### iProtin

[App page](https://appshunter.io/ios/app/iprotin/id6737819780)

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

**In-app purchases:** none


## Frequently asked questions

### Is Umi BP free?

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

### Is iProtin free?

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

### Do Umi BP or iProtin have ads?

Neither Umi BP nor iProtin shows ads.

### Which is updated more often, Umi BP or iProtin?

Umi BP ships an update every 4 months, and iProtin every 2 weeks. Most recently, Umi BP was updated on October 27, 2026 and iProtin on October 27, 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.*