# upperstrop vs anbio B2B

The clearest difference is ads: anbio B2B at none against upperstrop's shown. anbio B2B also leads on update cadence (every 2 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

upperstrop ships an update every 3 months, anbio B2B every 2 weeks. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | upperstrop | anbio B2B |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 76 MB | 75 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JAY BUDDY Co.,Ltd.](https://appshunter.io/developer/1446842616) | [(주)에이앤바이오](https://appshunter.io/developer/1597059447) |

## What reviewers say

### upperstrop

[App page](https://appshunter.io/ios/app/upperstrop/id6480500297)

**In-app purchases:** none


### anbio B2B

[App page](https://appshunter.io/ios/app/anbio-b2b/id6759413429)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is upperstrop free?

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

### Is anbio B2B free?

anbio B2B is free to download, with no in-app purchases.

### Do upperstrop or anbio B2B have ads?

upperstrop shows ads; anbio B2B does not.

### Which is updated more often, upperstrop or anbio B2B?

upperstrop ships an update every 3 months, and anbio B2B every 2 weeks. Most recently, upperstrop was updated on October 8, 2026 and anbio B2B on October 2, 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.*