# CodexBar vs Model Usage

The clearest difference is chart position: CodexBar at #184 against Model Usage's unranked. Model Usage's advantage is device support (6 vs 2). On price, update cadence, ads 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.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | CodexBar | Model Usage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/codexbar-usage-of-ai/id6760216772/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free | — |
| Best chart rank | **#184** | — |
| Size | 14 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [昱晓 王](https://appshunter.io/developer/1117215698) | [Rayan Khan](https://appshunter.io/developer/1863389662) |

## What reviewers say

### CodexBar

[App page](https://appshunter.io/ios/app/codexbar-usage-of-ai/id6760216772)

**Currently charting:** #184 Top Free · Developer Tools (US App Store)

Monitor your AI coding tool usage on your iPhone. Track rate limits, spending, and token usage for various AI providers. Share spending summaries as image cards and analyze costs with interactive charts.

**Highlights:** Real-time AI usage monitoring, Budget and spending tracking, Rate limit tracking with countdowns, Cost dashboard and analysis, Interactive charts and graphs, Shareable spending summaries, Open-source project

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

**In-app purchases:** none


### Model Usage

[App page](https://appshunter.io/ios/app/model-usage/id6761831599)

**Features:** Apple Watch app, iMessage stickers

**In-app purchases:** none


## Frequently asked questions

### Is CodexBar free?

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

### Is Model Usage free?

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

### Do CodexBar or Model Usage have ads?

Neither CodexBar nor Model Usage shows ads.

### Which is updated more often, CodexBar or Model Usage?

CodexBar ships an update every 3 days, and Model Usage every 3 days. Most recently, CodexBar was updated on October 14, 2026 and Model Usage on October 3, 2026.

---

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