# Writing Statistics vs Systems

The clearest difference is price: Systems at Free against Writing Statistics's $0.99. Systems also leads on update cadence (every 4 weeks vs every 4 months). Writing Statistics's advantage is in-app purchases (none vs 4) and device support (3 vs 1). On ads there is nothing between them.

Systems is free to download; Writing Statistics costs $0.99 up front. Systems sells 4 in-app purchases, starting at $3.99 per 7 days. Writing Statistics asks for nothing beyond the download.

Writing Statistics ships an update every 4 months, Systems every 4 weeks. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Writing Statistics | Systems |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Size | 33 MB | 70 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [Michael Hsieh](https://appshunter.io/developer/1634672514) | [Adam Kovacs](https://appshunter.io/developer/1814096456) |

## What reviewers say

### Writing Statistics

[App page](https://appshunter.io/ios/app/writing-statistics/id6504376932)

**Features:** macOS Compatibility

**In-app purchases:** none


### Systems

[App page](https://appshunter.io/ios/app/systems-checklists/id6746172413)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Systems Pro Weekly | $3.99 | per 7 days |
| Systems Pro (1 Month) | $4.99 | per month |
| Systems Pro (1 Year) | $19.99 | per year |
| Systems Pro (Lifetime) | $49.99 | one-time |


## Frequently asked questions

### Is Writing Statistics free?

Writing Statistics costs $0.99, with no in-app purchases.

### Is Systems free?

Systems is free to download, with in-app purchases available.

### Do Writing Statistics or Systems have ads?

Neither Writing Statistics nor Systems shows ads.

### Which is updated more often, Writing Statistics or Systems?

Writing Statistics ships an update every 4 months, and Systems every 4 weeks. Most recently, Writing Statistics was updated on October 18, 2026 and Systems on October 20, 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.*