# Suurstoffi vs Mobile Clock Pro

The clearest difference is in-app purchases: Suurstoffi at none against Mobile Clock Pro's 1. Suurstoffi also leads on iOS requirement (13.0 vs 15.6). Mobile Clock Pro's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 9 months). On price and device support there is nothing between them.

Both are free to download. Mobile Clock Pro sells 1 one-off in-app purchase. Suurstoffi asks for nothing beyond the download.

Suurstoffi ships an update every 9 months, Mobile Clock Pro every 2 weeks. Both last shipped on October 15, 2026.

## The numbers

| Metric | Suurstoffi | Mobile Clock Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Size | 35 MB | 83 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [bonacasa AG](https://appshunter.io/developer/567389838) | [Mustafa Yasar Ulutas](https://appshunter.io/developer/1861289990) |

## What reviewers say

### Suurstoffi

[App page](https://appshunter.io/ios/app/suurstoffi/id1184993496)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mobile Clock Pro

[App page](https://appshunter.io/ios/app/mobile-clock-pro-always-on/id6756542013)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $2.99 | one-time |


## Frequently asked questions

### Is Suurstoffi free?

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

### Is Mobile Clock Pro free?

Mobile Clock Pro is free to download, with in-app purchases available.

### Do Suurstoffi or Mobile Clock Pro have ads?

Suurstoffi shows ads; Mobile Clock Pro does not.

### Which is updated more often, Suurstoffi or Mobile Clock Pro?

Suurstoffi ships an update every 9 months, and Mobile Clock Pro every 2 weeks. Most recently, Suurstoffi was updated on October 15, 2026 and Mobile Clock Pro on October 15, 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.*