# U31402 vs FlexPlus

The clearest difference is update cadence: FlexPlus at monthly against U31402's every 13 months. FlexPlus also leads on device support. U31402's advantage is iOS requirement (12.0 vs 15.0). On price 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.

U31402 ships an update every 13 months, FlexPlus monthly. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | U31402 | FlexPlus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 13 months | **Monthly** |
| Size | 74 MB | 39 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [ERT,INC](https://appshunter.io/developer/1160214546) | [Valere Health, Inc](https://appshunter.io/developer/1730011022) |

## What reviewers say

### U31402

[App page](https://appshunter.io/ios/app/u31402-a-u102-daiichi-sankyo/id6476879689)

**In-app purchases:** none


### FlexPlus

[App page](https://appshunter.io/ios/app/flexplus/id6477704499)

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

**In-app purchases:** none


## Frequently asked questions

### Is U31402 free?

U31402 is free to download, with no in-app purchases.

### Is FlexPlus free?

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

### Which is updated more often, U31402 or FlexPlus?

U31402 ships an update every 13 months, and FlexPlus monthly. Most recently, U31402 was updated on October 11, 2026 and FlexPlus on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*