# MERCOSTAR vs B

The clearest difference is update cadence: B at every 10 days against MERCOSTAR's every 4 months. MERCOSTAR's advantage is iOS requirement (13.4 vs 15.0). 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.

MERCOSTAR ships an update every 4 months, B every 10 days. Both last shipped on October 1, 2026.

## The numbers

| Metric | MERCOSTAR | B |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Size | 81 MB | 12 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mon Appli VTC](https://appshunter.io/developer/1437377960) | [Balsamo](https://appshunter.io/developer/1818351880) |

## What reviewers say

### MERCOSTAR

[App page](https://appshunter.io/ios/app/mercostar/id6443813390)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### B

[App page](https://appshunter.io/ios/app/b-driven/id6746758436)

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

**In-app purchases:** none


## Frequently asked questions

### Is MERCOSTAR free?

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

### Is B free?

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

### Do MERCOSTAR or B have ads?

Neither MERCOSTAR nor B shows ads.

### Which is updated more often, MERCOSTAR or B?

MERCOSTAR ships an update every 4 months, and B every 10 days. Most recently, MERCOSTAR was updated on October 1, 2026 and B on October 1, 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.*