# Siyou B2B vs ZEVO FLOW

The clearest difference is update cadence: ZEVO FLOW at every 4 days against Siyou B2B's every 2 weeks. 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.

Siyou B2B ships an update every 2 weeks, ZEVO FLOW every 4 days. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Siyou B2B | ZEVO FLOW |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 57 MB | 44 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SIYOU TECHNOLOGY S.R.L](https://appshunter.io/developer/1466639725) | [ARCSOLU](https://appshunter.io/developer/1514602449) |

## What reviewers say

### Siyou B2B

[App page](https://appshunter.io/ios/app/siyou-b2b/id1482752003)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### ZEVO FLOW

[App page](https://appshunter.io/ios/app/zevo-flow/id6743234797)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Siyou B2B free?

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

### Is ZEVO FLOW free?

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

### Do Siyou B2B or ZEVO FLOW have ads?

Neither Siyou B2B nor ZEVO FLOW shows ads.

### Which is updated more often, Siyou B2B or ZEVO FLOW?

Siyou B2B ships an update every 2 weeks, and ZEVO FLOW every 4 days. Most recently, Siyou B2B was updated on October 6, 2026 and ZEVO FLOW on October 7, 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.*