# Data Rhythm vs digitalization of 4th

The clearest difference is ads: digitalization of 4th at none against Data Rhythm's shown. digitalization of 4th also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.6). On price, update cadence 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.

Data Rhythm ships an update every 3 weeks, digitalization of 4th fortnightly. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Data Rhythm | digitalization of 4th |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 17 MB | 19 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masaki Hayashi](https://appshunter.io/developer/1609931545) | [KENJI KANEMOTO](https://appshunter.io/developer/402720982) |

## What reviewers say

### Data Rhythm

[App page](https://appshunter.io/ios/app/data-rhythm/id1639696025)

**Features:** macOS Compatibility

**In-app purchases:** none


### digitalization of 4th

[App page](https://appshunter.io/ios/app/digitalization-of-4th/id6448651638)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Data Rhythm free?

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

### Is digitalization of 4th free?

digitalization of 4th is free to download, with no in-app purchases.

### Do Data Rhythm or digitalization of 4th have ads?

Data Rhythm shows ads; digitalization of 4th does not.

### Which is updated more often, Data Rhythm or digitalization of 4th?

Data Rhythm ships an update every 3 weeks, and digitalization of 4th fortnightly. Most recently, Data Rhythm was updated on October 9, 2026 and digitalization of 4th on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*