# Datoms vs S4C

The clearest difference is update cadence: Datoms at every 8 days against S4C's monthly. S4C's advantage is iOS requirement (12 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.

Datoms ships an update every 8 days, S4C monthly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Datoms | S4C |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Monthly |
| Size | 102 MB | 35 MB |
| Requires iOS | 15.0 | **12** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Phoenixrobotix](https://appshunter.io/developer/1210604525) | [SUTO iTEC (China) Co. Ltd](https://appshunter.io/developer/1511502112) |

## What reviewers say

### Datoms

[App page](https://appshunter.io/ios/app/datoms/id1536148650)

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

**In-app purchases:** none


### S4C

[App page](https://appshunter.io/ios/app/s4c-fs/id1619076144)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Datoms free?

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

### Is S4C free?

S4C is free to download, with no in-app purchases.

### Do Datoms or S4C have ads?

Neither Datoms nor S4C shows ads.

### Which is updated more often, Datoms or S4C?

Datoms ships an update every 8 days, and S4C monthly. Most recently, Datoms was updated on October 24, 2026 and S4C on October 27, 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.*