# Mr PRENO vs b

The clearest difference is ads: Mr PRENO at none against b's shown. On price, update cadence, 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.

Mr PRENO ships an update every 3 months, b every 2 months. The most recent releases landed on May 12, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Mr PRENO | b |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 18 MB | 54 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TITANKA SPA](https://appshunter.io/developer/547935712) | [ACME21 SRL (STARTUP COSTITUITA A NORMA DELL'ART.4 COMMA 10BIS DEL DECRETO LEGGE 24 GENNAIO 2015 N.3](https://appshunter.io/developer/1347544867) |

## What reviewers say

### Mr PRENO

[App page](https://appshunter.io/ios/app/mr-preno/id1431836249)

**Features:** macOS Compatibility

**In-app purchases:** none


### b

[App page](https://appshunter.io/ios/app/b-secure/id1447093964)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mr PRENO free?

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

### Is b free?

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

### Do Mr PRENO or b have ads?

b shows ads; Mr PRENO does not.

### Which is updated more often, Mr PRENO or b?

Mr PRENO ships an update every 3 months, and b every 2 months. Most recently, Mr PRENO was updated on May 12, 2026 and b on June 4, 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.*