# Test & Check for iPhone vs Phone Diagnostics

The clearest difference is ads: Phone Diagnostics at none against Test & Check for iPhone's shown. Phone Diagnostics also leads on update cadence (every 2 weeks vs every 3 months). Test & Check for iPhone's advantage is review sentiment (75% vs 63%) and iOS requirement (9.0 vs 12). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Test & Check for iPhone sells 1 one-off in-app purchase and Phone Diagnostics sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 3.9 for Test & Check for iPhone against 3.8 for Phone Diagnostics. Both are backed by a comparable volume of ratings — 42 and 86 respectively. Written reviews are what separate them: 75% of Test & Check for iPhone's written reviews are positive against 63% of Phone Diagnostics's.

Test & Check for iPhone ships an update every 3 months, Phone Diagnostics every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Test & Check for iPhone | Phone Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (42 ratings)](https://appshunter.io/ios/app/test-and-check-for-iphone/id1022281157/reviews)** | [3.8 (86 ratings)](https://appshunter.io/ios/app/phone-diagnostics/id1171677218/reviews) |
| Number of ratings | 42 | **86** |
| Positive reviews | **74.5% of reviews** | 63.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 5 MB | 35 MB |
| Requires iOS | **9.0** | 12 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Prasomsak Khunmuen](https://appshunter.io/developer/636412127) | [HITEK_NOVA](https://appshunter.io/developer/1171677217) |

## What reviewers say

### Test & Check for iPhone

[App page](https://appshunter.io/ios/app/test-and-check-for-iphone/id1022281157)

Verify the functionality of your iPhone or iPad with comprehensive hardware tests. Check screen, sensors, multimedia, and connectivity to ensure optimal performance. Also provides detailed device specifications and system status monitoring.

**Highlights:** Comprehensive hardware testing, Screen functionality checks, Sensor verification, Multimedia component tests, Connectivity status, Device information and system monitoring

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- ✅ Ideal for pre-sale/purchase checks
- 📱 Helps test iPhone functionality
- 💡 Provides comprehensive test coverage
- ✨ Nice user interface

**What reviewers complain about**

- 🤔 Manual testing, not automated
- 🤷‍♂️ Some users find it pointless/a rip-off
- 💸 Waste of money for some
- ❌ Does not test battery
- 📉 Limited functionality and insight

**Reported bugs**

- App caused Wifi issues on iPhone 4s
- Pinch test didn't work on iPhone 6s
- Pinch and shake tests did not work for some users

**Requested features**

- Add automated diagnostic tests
- Include CPU and RAM testing
- Add battery test
- Add Touch ID test
- Add 3D Touch test


### Phone Diagnostics

[App page](https://appshunter.io/ios/app/phone-diagnostics/id1171677218)

Easily test and check all mobile device functionalities. This app is useful before purchasing a device, sending it for repair, or after receiving it back. It also helps you locate nearby repair shops.

**Highlights:** Test device functionalities, Check hardware before buying, Verify repairs, Find local repair shops, Improve QC processes, Facilitate trade-in

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Phone Diagnostics Pro | $4.99 | one-time |

**What reviewers like**

- 👍 Great for testing used phones
- 👍 Easy to use
- 👍 Free to use
- 👍 Helps identify hardware issues
- 👍 Useful for business/trade-ins

**What reviewers complain about**

- 🐛 Glitchy and buggy
- 🐛 Ads are intrusive
- 🐛 Some tests are inaccurate
- 🐛 Does not test all features
- 🐛 Can be laggy

**Reported bugs**

- Camera/microphone activity noticed after download
- Charged $149.99 at Apple Store during testing
- NFC check missing
- Repair suggested for skipped NFC test
- Memory tests missing

**Requested features**

- Add NFC/antenna tester
- Add memory tests
- Add eSIM check
- Improve 3D Touch test accuracy
- Improve multi-touch test (more than 2 fingers)


## Frequently asked questions

### Is Test & Check for iPhone free?

Test & Check for iPhone is free to download, with in-app purchases available.

### Is Phone Diagnostics free?

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

### Which has better reviews, Test & Check for iPhone or Phone Diagnostics?

Test & Check for iPhone is rated higher. Test & Check for iPhone averages 3.9 out of 5 from 42 ratings, while Phone Diagnostics averages 3.8 from 86 ratings.

### Do Test & Check for iPhone or Phone Diagnostics have ads?

Test & Check for iPhone shows ads; Phone Diagnostics does not.

### Which is updated more often, Test & Check for iPhone or Phone Diagnostics?

Test & Check for iPhone ships an update every 3 months, and Phone Diagnostics every 2 weeks. Most recently, Test & Check for iPhone was updated on October 24, 2026 and Phone Diagnostics on October 24, 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.*