# AI Writer vs Ring Sizer

The clearest difference is in-app purchases: Ring Sizer at none against AI Writer's 3. Ring Sizer also leads on iOS requirement (18.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. AI Writer sells 3 in-app purchases, starting at $0.99 per 7 days. Ring Sizer asks for nothing beyond the download.

## The numbers

| Metric | AI Writer | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 17 MB | 84 MB |
| Requires iOS | 26.2 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Farouk Nasser](https://appshunter.io/developer/1478256466) | [Xanthous Tech LLC](https://appshunter.io/developer/1227414937) |

## What reviewers say

### AI Writer

[App page](https://appshunter.io/ios/app/ai-writer-write-for-me/id6766950818)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $0.99 | per 7 days |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $19.99 | per year |


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-measure-by-camera/id6814165985)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Writer free?

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

### Is Ring Sizer free?

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

### Do AI Writer or Ring Sizer have ads?

Neither AI Writer nor Ring Sizer shows ads.

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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.*