# Karo Metro B2B vs UNICERA

The clearest difference is update cadence: UNICERA at monthly against Karo Metro B2B's every 16 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.

Karo Metro B2B ships an update every 16 months, UNICERA monthly. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Karo Metro B2B | UNICERA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Size | 70 MB | 27 MB |
| Requires iOS | **12.0** | 13.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NAT Yazilim](https://appshunter.io/developer/1137276538) | [UNICERA ULUSLARARASI FUARCILIK ANONIM SIRKETI](https://appshunter.io/developer/1734787441) |

## What reviewers say

### Karo Metro B2B

[App page](https://appshunter.io/ios/app/karo-metro-b2b/id6477182896)

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

**In-app purchases:** none


### UNICERA

[App page](https://appshunter.io/ios/app/unicera/id6479017834)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Karo Metro B2B free?

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

### Is UNICERA free?

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

### Do Karo Metro B2B or UNICERA have ads?

Neither Karo Metro B2B nor UNICERA shows ads.

### Which is updated more often, Karo Metro B2B or UNICERA?

Karo Metro B2B ships an update every 16 months, and UNICERA monthly. Most recently, Karo Metro B2B was updated on October 11, 2026 and UNICERA on October 25, 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.*