# Stara B2B vs grinvich

The clearest difference is update cadence: grinvich at every 3 weeks against Stara B2B's every 19 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.

Stara B2B ships an update every 19 months, grinvich every 3 weeks. The most recent releases landed on September 9, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | Stara B2B | grinvich |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Size | 13 MB | 36 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [PCS IT-Trading GmbH](https://appshunter.io/developer/1103650442) | [Anton Kozlov](https://appshunter.io/developer/1610527578) |

## What reviewers say

### Stara B2B

[App page](https://appshunter.io/ios/app/stara-b2b/id1322515540)

**Features:** macOS Compatibility

**In-app purchases:** none


### grinvich

[App page](https://appshunter.io/ios/app/grinvich/id1620790472)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stara B2B free?

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

### Is grinvich free?

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

### Do Stara B2B or grinvich have ads?

Neither Stara B2B nor grinvich shows ads.

### Which is updated more often, Stara B2B or grinvich?

Stara B2B ships an update every 19 months, and grinvich every 3 weeks. Most recently, Stara B2B was updated on September 9, 2026 and grinvich on August 14, 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.*