# WristAI+ vs Codex Usage

The clearest difference is in-app purchases: Codex Usage at none against WristAI+'s 4. WristAI+'s advantage is iOS requirement (16.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. WristAI+ sells 4 one-off in-app purchases. Codex Usage asks for nothing beyond the download.

## The numbers

| Metric | WristAI+ | Codex Usage |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 8 MB | 1 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [鑫 白](https://appshunter.io/developer/1792208860) | [赛 刘](https://appshunter.io/developer/1827738851) |

## What reviewers say

### WristAI+

[App page](https://appshunter.io/ios/app/wristai-plus/id6762480830)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Premium | $2.99 | one-time |
| 3-Month Premium | $6.99 | one-time |
| 6-Month Premium | $14.99 | one-time |
| 1-Year Premium | $29.99 | one-time |


### Codex Usage

[App page](https://appshunter.io/ios/app/codex-usage/id6770208984)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is WristAI+ free?

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

### Is Codex Usage free?

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

### Do WristAI+ or Codex Usage have ads?

Neither WristAI+ nor Codex Usage 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.*