# Usage for Claude + ChatGPT vs ERP

The clearest difference is in-app purchases: ERP at none against Usage for Claude + ChatGPT's 6. ERP also leads on update cadence (every 8 days vs every 3 weeks) and iOS requirement (17.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Usage for Claude + ChatGPT sells 6 in-app purchases, starting at $0.99 per month. ERP asks for nothing beyond the download.

Usage for Claude + ChatGPT ships an update every 3 weeks, ERP every 8 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Usage for Claude + ChatGPT | ERP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/usage-for-claude-plus-chatgpt/id6755173244/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 59.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Freemium | — |
| Size | 30 MB | 19 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [amir hayek](https://appshunter.io/developer/845110506) | [format-X GmbH](https://appshunter.io/developer/1144815065) |

## What reviewers say

### Usage for Claude + ChatGPT

[App page](https://appshunter.io/ios/app/usage-for-claude-plus-chatgpt/id6755173244)

Monitor your AI usage limits for Claude and ChatGPT. Track session and weekly limits, receive timely alerts, and gain insights into your usage history across multiple accounts and devices.

**Highlights:** Track Claude and ChatGPT limits, Support for multiple accounts, Session and weekly limit monitoring, Home Screen and Lock Screen widgets, Apple Watch app and complications, Usage history up to 90 days, Alerts for limit changes

**Features:** Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Subscription | $0.99 | per month |
| Monthly Pro Subscription | $5.99 | per year |
| Buy me a coffee | $2.99 | one-time |
| Buy me lunch | $9.99 | one-time |
| Dashboard Full History | $17.99 | one-time |
| You're awesome | $19.99 | one-time |


### ERP

[App page](https://appshunter.io/ios/app/erp-format-x/id6804618828)

**Features:** macOS Compatibility, Siri integration, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Usage for Claude + ChatGPT free?

Usage for Claude + ChatGPT is free to download, with in-app purchases available.

### Is ERP free?

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

### Do Usage for Claude + ChatGPT or ERP have ads?

Neither Usage for Claude + ChatGPT nor ERP shows ads.

### Which is updated more often, Usage for Claude + ChatGPT or ERP?

Usage for Claude + ChatGPT ships an update every 3 weeks, and ERP every 8 days. Most recently, Usage for Claude + ChatGPT was updated on October 31, 2026 and ERP on October 29, 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.*