# chrtz vs Step

The clearest difference is update cadence: Step at every 3 days against chrtz's weekly. 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.

chrtz ships an update weekly, Step every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | chrtz | Step |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 59 MB | 9 MB |
| Requires iOS | 16.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sungsu Choi](https://appshunter.io/developer/1718370500) | [Thought Bulb](https://appshunter.io/developer/1543392367) |

## What reviewers say

### chrtz

[App page](https://appshunter.io/ios/app/chrtz/id6757950661)

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

**In-app purchases:** none


### Step

[App page](https://appshunter.io/ios/app/step-a-thon/id6799213410)

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

**In-app purchases:** none


## Frequently asked questions

### Is chrtz free?

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

### Is Step free?

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

### Do chrtz or Step have ads?

Neither chrtz nor Step shows ads.

### Which is updated more often, chrtz or Step?

chrtz ships an update weekly, and Step every 3 days. Most recently, chrtz was updated on October 31, 2026 and Step on October 31, 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.*