# CPU Runner vs RM Chair

The clearest difference is in-app purchases: RM Chair at none against CPU Runner's 1. RM Chair also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CPU Runner sells 1 one-off in-app purchase. RM Chair asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 19, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | CPU Runner | RM Chair |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (83 ratings)](https://appshunter.io/ios/app/cpu-runner/id1377175041/reviews)** | — |
| Number of ratings | **83** | — |
| Positive reviews | 88.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 22 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [传胜 贾](https://appshunter.io/developer/789568029) | [Qingdao Richmat Intelligence Technology Inc.](https://appshunter.io/developer/1814751082) |

## What reviewers say

### CPU Runner

[App page](https://appshunter.io/ios/app/cpu-runner/id1377175041)

This app provides comprehensive system monitoring for your device. It offers detailed hardware data, CPU and GPU information, memory usage, network traffic, disk space, battery status, and even a decibel meter. A Today Widget allows for real-time monitoring of key metrics.

**Highlights:** Detailed hardware data, In-depth CPU and GPU information, Memory and network traffic monitoring, Disk space analysis, Battery health and status, Real-time decibel meter, Today Widget for quick monitoring

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads. | $0.99 | one-time |


### RM Chair

[App page](https://appshunter.io/ios/app/rm-chair/id6742437831)

**In-app purchases:** none


## Frequently asked questions

### Is CPU Runner free?

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

### Is RM Chair free?

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

### Do CPU Runner or RM Chair have ads?

Neither CPU Runner nor RM Chair shows ads.

### Which is updated more often, CPU Runner or RM Chair?

CPU Runner ships an update every 2 months, and RM Chair every 2 months. Most recently, CPU Runner was updated on October 19, 2026 and RM Chair on September 29, 2026.

---

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