# iCelsius vs CPU

The clearest difference is rating: CPU at 4.7 against iCelsius's 4.2. CPU also leads on review sentiment (61% vs 35%) and update cadence (fortnightly vs every 2 months). iCelsius's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

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

CPU holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 139 and 111 respectively. Written reviews point the same way: 35% of iCelsius's written reviews are positive against 61% of CPU's.

iCelsius ships an update every 2 months, CPU fortnightly. The most recent releases landed on October 16, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | iCelsius | CPU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (139 ratings)](https://appshunter.io/ios/app/icelsius/id434212879/reviews) | **[4.7 (111 ratings)](https://appshunter.io/ios/app/cpu-x/id6448917309/reviews)** |
| Number of ratings | **139** | 111 |
| Positive reviews | 35.2% of reviews | **61.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 41 MB | 170 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aginova Sarl](https://appshunter.io/developer/434212882) | [CHENGDU MIAOZHI TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1465440799) |

## What reviewers say

### iCelsius

[App page](https://appshunter.io/ios/app/icelsius/id434212879)

Transform your iPhone, iPad, or iPod touch into a digital thermometer with this app. It works with a separate hardware probe to measure temperatures of liquids and other substances, create graphs, and set alerts. Ideal for cooking, science education, and quality control.

**Highlights:** Live temperature display, Temperature graphing with pan/zoom, Configurable temperature alarms, Snapshot and continuous recording, Recipe presets for cooking, History of recorded readings

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Accurate temperature readings
- 👍 Handy for monitoring
- 👍 Good for remote monitoring
- 👍 Works well for specific uses (e.g., cigars, BBQ)
- 👍 Good UI and graphing (when it works)

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐛 Connectivity issues (Wi-Fi, Bluetooth)
- 🐛 Unreliable remote sensing
- 🐛 Inconsistent readings/inaccurate
- 🐛 Hardware failures (probes dying)

**Reported bugs**

- App crashes on startup
- App crashes when tapping graphs
- Temperature readings are incorrect/flashing
- Live view display is messed up
- App crashes when phone locks or switches apps

**Requested features**

- Fix crashing issues
- Improve Wi-Fi and Bluetooth connectivity
- Ensure compatibility with newer iOS versions
- Improve remote monitoring reliability
- Fix data loss when switching apps


### 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 |


## Frequently asked questions

### Is iCelsius free?

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

### Is CPU free?

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

### Which has better reviews, iCelsius or CPU?

CPU is rated higher. iCelsius averages 4.2 out of 5 from 139 ratings, while CPU averages 4.7 from 111 ratings.

### Do iCelsius or CPU have ads?

CPU shows ads; iCelsius does not.

### Which is updated more often, iCelsius or CPU?

iCelsius ships an update every 2 months, and CPU fortnightly. Most recently, iCelsius was updated on October 16, 2026 and CPU on October 20, 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.*