# CPU vs Phone Thermometer

The clearest difference is ads: Phone Thermometer at none against CPU's shown. CPU's advantage is update cadence (fortnightly vs every 5 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. CPU sells 1 one-off in-app purchase and Phone Thermometer sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CPU ships an update fortnightly, Phone Thermometer every 5 weeks. The most recent releases landed on September 25, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | CPU | Phone Thermometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (97 ratings)](https://appshunter.io/ios/app/cpu-x/id6448917309/reviews)** | — |
| Number of ratings | **97** | — |
| Positive reviews | 64.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 136 MB | 17 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHENGDU MIAOZHI TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1465440799) | [洋洋 常](https://appshunter.io/developer/1847833029) |

## What reviewers say

### CPU

[App page](https://appshunter.io/ios/app/cpu-x/id6448917309)

This app provides detailed insights into your device's hardware and real-time diagnostics. It also offers tools to optimize storage by compressing media and cleaning contacts, along with a comprehensive suite for testing device sensors and network functions.

**Highlights:** Comprehensive device hardware insights, Real-time diagnostics and sensor testing, Video and image compression, Duplicate contact cleanup, Junk mail and spam message filtering, Network diagnostics tools

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $5.99 | one-time |


### Phone Thermometer

[App page](https://appshunter.io/ios/app/phone-thermometer/id6760281854)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Member | $4.99 | per 7 days |
| Annual VIP | $29.99 | per year |


## Frequently asked questions

### Is CPU free?

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

### Is Phone Thermometer free?

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

### Do CPU or Phone Thermometer have ads?

CPU shows ads; Phone Thermometer does not.

### Which is updated more often, CPU or Phone Thermometer?

CPU ships an update fortnightly, and Phone Thermometer every 5 weeks. Most recently, CPU was updated on September 25, 2026 and Phone Thermometer on September 10, 2026.

---

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