# Device Tester Pro vs G

The clearest difference is price: G at Free against Device Tester Pro's $1.99. G also leads on rating (4.7 vs 4.1) and review sentiment (80% vs 64%). Device Tester Pro's advantage is in-app purchases (none vs 4). On ratings volume, update cadence, ads and device support there is nothing between them.

G is free to download; Device Tester Pro costs $1.99 up front. G sells 4 one-off in-app purchases. Device Tester Pro asks for nothing beyond the download.

G holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 473 and 686 respectively. Written reviews point the same way: 64% of Device Tester Pro's written reviews are positive against 80% of G's.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Device Tester Pro | G |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.1 (473 ratings)](https://appshunter.io/ios/app/device-tester-prosystem-check/id849114011/reviews) | **[4.7 (686 ratings)](https://appshunter.io/ios/app/g-cpumonitor-cpu-ram-widget/id1621480114/reviews)** |
| Number of ratings | 473 | **686** |
| Positive reviews | 63.7% of reviews | **79.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Paid | **Free** |
| Size | 7 MB | 47 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Phan Nhut](https://appshunter.io/developer/849063753) | [Hau Vu Dinh](https://appshunter.io/developer/1439334691) |

## What reviewers say

### Device Tester Pro

[App page](https://appshunter.io/ios/app/device-tester-prosystem-check/id849114011)

This app offers diagnostic checks for your device's hardware components, including camera, Bluetooth, and audio. It also provides system information like RAM and battery status, along with useful utilities such as a QR code generator and clipboard cleaner.

**Highlights:** Hardware component testing, System information viewer, QR code generator, Random selection tool, Clipboard cleaner, Flashlight control

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Cleans memory and frees up space
- 👍 Works well on older devices
- ⭐ Excellent app, highly recommended

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Doesn't work with latest iOS versions
- 💰 Paid version required for full functionality

**Reported bugs**

- Scan function doesn't complete
- Processes list always shows zero
- Crashes on iPhone 15 Pro Max

**Requested features**

- Automatic memory cleaning
- Detailed process information
- Compatibility with newer iOS versions


### G

[App page](https://appshunter.io/ios/app/g-cpumonitor-cpu-ram-widget/id1621480114)

Gain deep insights into your device's performance with detailed information on CPU, RAM, battery, storage, and network. Monitor key metrics, run performance tests, and generate customizable reports. Stay informed with convenient widgets and a built-in compass.

**Highlights:** Comprehensive performance dashboard, Detailed device information, CPU and battery health monitoring, Network connection clarity, Customizable reports (text/PDF), Convenient widgets, Benchmarking suite

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cup of Coffee | $1.99 | one-time |
| Sandwich | $4.99 | one-time |
| Buy Lunch | $9.99 | one-time |
| Major donor | $99.99 | one-time |


## Frequently asked questions

### Is Device Tester Pro free?

Device Tester Pro costs $1.99, with no in-app purchases.

### Is G free?

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

### Which has better reviews, Device Tester Pro or G?

G is rated higher. Device Tester Pro averages 4.1 out of 5 from 473 ratings, while G averages 4.7 from 686 ratings.

### Do Device Tester Pro or G have ads?

Neither Device Tester Pro nor G shows ads.

### Which is updated more often, Device Tester Pro or G?

Device Tester Pro ships an update fortnightly, and G fortnightly. Most recently, Device Tester Pro was updated on November 11, 2026 and G on November 3, 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.*