# KRL SmartBox vs mo2B

The clearest difference is update cadence: mo2B at every 2 months against KRL SmartBox's every 7 months. KRL SmartBox's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KRL SmartBox ships an update every 7 months, mo2B every 2 months. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | KRL SmartBox | mo2B |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Size | 33 MB | 7 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Witte Metallwaren Handelsges. mbH & Co. KG](https://appshunter.io/developer/979847433) | [stadtraum - Gesellschaft für Raumplanung, Städtebau & Verkehrstechnik mbH](https://appshunter.io/developer/1562564634) |

## What reviewers say

### KRL SmartBox

[App page](https://appshunter.io/ios/app/krl-smartbox/id6477445537)

**Features:** macOS Compatibility

**In-app purchases:** none


### mo2B

[App page](https://appshunter.io/ios/app/mo2b/id6744000639)

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

**In-app purchases:** none


## Frequently asked questions

### Is KRL SmartBox free?

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

### Is mo2B free?

mo2B is free to download, with no in-app purchases.

### Do KRL SmartBox or mo2B have ads?

Neither KRL SmartBox nor mo2B shows ads.

### Which is updated more often, KRL SmartBox or mo2B?

KRL SmartBox ships an update every 7 months, and mo2B every 2 months. Most recently, KRL SmartBox was updated on October 5, 2026 and mo2B 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.*