# Model Usage vs AgentHeadroom

The clearest difference is in-app purchases: Model Usage at none against AgentHeadroom's 2. Model Usage also leads on update cadence (every 3 days vs every 5 days) and device support (6 vs 3). On price, ads and iOS requirement there is nothing between them.

Both are free to download. AgentHeadroom sells 2 in-app purchases, starting at $7.99 per year. Model Usage asks for nothing beyond the download.

Model Usage ships an update every 3 days, AgentHeadroom every 5 days. The most recent releases landed on November 9, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Model Usage | AgentHeadroom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Size | 5 MB | 13 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Rayan Khan](https://appshunter.io/developer/1863389662) | [Third Vantage LLC](https://appshunter.io/developer/6804425135) |

## What reviewers say

### Model Usage

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

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

**In-app purchases:** none


### AgentHeadroom

[App page](https://appshunter.io/ios/app/agentheadroom-ai-usage-limits/id6804425133)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro, yearly | $7.99 | per year |
| Pro, forever | $14.99 | one-time |


## Frequently asked questions

### Is Model Usage free?

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

### Is AgentHeadroom free?

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

### Do Model Usage or AgentHeadroom have ads?

Neither Model Usage nor AgentHeadroom shows ads.

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

Model Usage ships an update every 3 days, and AgentHeadroom every 5 days. Most recently, Model Usage was updated on November 9, 2026 and AgentHeadroom on November 12, 2026.

---

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