# Device Tester vs CPU Info

The clearest difference is rating: Device Tester at 4.0 against CPU Info's 2.5. Device Tester also leads on update cadence (weekly vs every 3 months) and ratings volume (245 vs 2). CPU Info's advantage is in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

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

Device Tester holds the better App Store score, 4.0 against 2.5. That said, the two scores are not equally well evidenced: Device Tester has 245 ratings behind it against 2, so its average is the more settled of the two.

Device Tester ships an update weekly, CPU Info every 3 months. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Device Tester | CPU Info |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (245 ratings)](https://appshunter.io/ios/app/device-tester-system-checker/id873671623/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/cpu-info/id6560116815/reviews) |
| Number of ratings | **245** | 2 |
| Positive reviews | 54.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 42 MB |
| Requires iOS | 16.0 | **15.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Phan Nhut](https://appshunter.io/developer/849063753) | [Kamil Gurgul](https://appshunter.io/developer/1676127896) |

## What reviewers say

### Device Tester

[App page](https://appshunter.io/ios/app/device-tester-system-checker/id873671623)

Monitor your device's real-time system information, including RAM, disk, and CPU usage. Track network activity, battery status, and other system details to understand your device's performance.

**Highlights:** Real-time RAM usage, Disk usage monitoring, CPU usage tracking, Network activity, Battery status, System information

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $1.99 | one-time |

**What reviewers like**

- 👍 User-friendly and intuitive design
- 🚀 Effective RAM memory cleaning and freeing
- 💰 Affordable one-time pro version purchase
- 📊 Detailed device analysis and performance monitoring
- ⏱️ Quick and simple to use

**What reviewers complain about**

- 🐛 Frequent app crashes on newer iOS versions
- 📢 Excessive and intrusive advertisements
- ❌ Limited functionality in free version
- 😞 Degraded performance after updates
- 🔄 Inconsistent results and reliability issues

**Reported bugs**

- App crashes during memory scan on newer iOS versions
- Crashes on iPhone 16 and iPhone 17 Pro models
- App fails to open or closes immediately
- Memory cleaning returns 0.0MB results
- Incompatibility with iOS 14 and later versions

**Requested features**

- Landscape view support for device rotation
- Deeper cleaning of junk files and cache
- More transparent proof of app actions and results
- Ability to keep pro version after updates
- Instruction guide on optimal app usage


### CPU Info

[App page](https://appshunter.io/ios/app/cpu-info/id6560116815)

Access detailed hardware and software specifications for your device. View CPU, GPU, RAM, storage, display metrics, sensor data, and battery status. The project is open source with issues and ideas welcome on GitHub.

**Highlights:** CPU specifications, GPU specifications, RAM and storage status, Display metrics, Sensor data, Battery status

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Device Tester free?

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

### Is CPU Info free?

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

### Which has better reviews, Device Tester or CPU Info?

Device Tester is rated higher. Device Tester averages 4.0 out of 5 from 245 ratings, while CPU Info averages 2.5 from 2 ratings.

### Do Device Tester or CPU Info have ads?

Neither Device Tester nor CPU Info shows ads.

### Which is updated more often, Device Tester or CPU Info?

Device Tester ships an update weekly, and CPU Info every 3 months. Most recently, Device Tester was updated on October 13, 2026 and CPU Info on October 6, 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.*