# Device Tester vs Disk Space Analyzer & Cleaner

The clearest difference is review sentiment: Disk Space Analyzer & Cleaner at 100% against Device Tester's 55%. Disk Space Analyzer & Cleaner also leads on in-app purchases (none vs 1). Device Tester's advantage is ratings volume (231 vs 4) and rating (4.0 vs 3.8). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Device Tester sells 1 one-off in-app purchase. Disk Space Analyzer & Cleaner asks for nothing beyond the download.

Device Tester holds the better App Store score, 4.0 against 3.8. That said, the two scores are not equally well evidenced: Device Tester has 231 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 55% of Device Tester's written reviews are positive against 100% of Disk Space Analyzer & Cleaner's, so the app with the better star average is not the one people write more warmly about.

Device Tester ships an update weekly, Disk Space Analyzer & Cleaner every 10 days. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Device Tester | Disk Space Analyzer & Cleaner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (231 ratings)](https://appshunter.io/ios/app/device-tester-system-checker/id873671623/reviews)** | [3.8 (4 ratings)](https://appshunter.io/ios/app/disk-space-analyzer-and-cleaner/id6569246174/reviews) |
| Number of ratings | **231** | 4 |
| Positive reviews | 55.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 86 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Phan Nhut](https://appshunter.io/developer/849063753) | [Muhammad Nouman Imran](https://appshunter.io/developer/6778055945) |

## 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


### Disk Space Analyzer & Cleaner

[App page](https://appshunter.io/ios/app/disk-space-analyzer-and-cleaner/id6569246174)

This app helps you identify and remove unnecessary files, duplicate photos, and unused apps to free up storage space on your iPhone. It provides a detailed analysis of your device's storage, allowing you to review and manage content before deletion.

**Highlights:** Analyze storage usage, Identify large files, Find duplicate photos/videos, Review unused apps, Manage cloud storage, Safe and private cleanup

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

**In-app purchases:** none


## Frequently asked questions

### Is Device Tester free?

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

### Is Disk Space Analyzer & Cleaner free?

Disk Space Analyzer & Cleaner is free to download, with no in-app purchases.

### Which has better reviews, Device Tester or Disk Space Analyzer & Cleaner?

Device Tester is rated higher. Device Tester averages 4.0 out of 5 from 231 ratings, while Disk Space Analyzer & Cleaner averages 3.8 from 4 ratings.

### Do Device Tester or Disk Space Analyzer & Cleaner have ads?

Neither Device Tester nor Disk Space Analyzer & Cleaner shows ads.

### Which is updated more often, Device Tester or Disk Space Analyzer & Cleaner?

Device Tester ships an update weekly, and Disk Space Analyzer & Cleaner every 10 days. Most recently, Device Tester was updated on September 21, 2026 and Disk Space Analyzer & Cleaner on September 13, 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.*