# Phone Diagnostics vs Flexible Screen

The clearest difference is review sentiment: Phone Diagnostics at 63% against Flexible Screen's 0%. Phone Diagnostics also leads on rating (3.8 vs 3.0) and update cadence (every 2 weeks vs every 3 months). Flexible Screen'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. Phone Diagnostics sells 1 one-off in-app purchase. Flexible Screen asks for nothing beyond the download.

Phone Diagnostics holds the better App Store score, 3.8 against 3.0. That said, the two scores are not equally well evidenced: Phone Diagnostics has 86 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 63% of Phone Diagnostics's written reviews are positive against 0% of Flexible Screen's.

Phone Diagnostics ships an update every 2 weeks, Flexible Screen every 3 months. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Phone Diagnostics | Flexible Screen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (86 ratings)](https://appshunter.io/ios/app/phone-diagnostics/id1171677218/reviews)** | [3.0 (7 ratings)](https://appshunter.io/ios/app/flexible-screen/id1458087038/reviews) |
| Number of ratings | **86** | 7 |
| Positive reviews | **63.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 14 MB |
| Requires iOS | 12 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [HITEK_NOVA](https://appshunter.io/developer/1171677217) | [Jeongsik Lee](https://appshunter.io/developer/1452189952) |

## What reviewers say

### 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)


### Flexible Screen

[App page](https://appshunter.io/ios/app/flexible-screen/id1458087038)

This utility allows users to define a specific screen area to function as a browser. You can easily set the desired area by dragging from the top-left to the bottom-right corner. Restart the drag to retry until satisfied.

**Highlights:** Specify screen area for browser, Drag to define area, Retry by restarting drag, Customizable browser window

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Phone Diagnostics free?

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

### Is Flexible Screen free?

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

### Which has better reviews, Phone Diagnostics or Flexible Screen?

Phone Diagnostics is rated higher. Phone Diagnostics averages 3.8 out of 5 from 86 ratings, while Flexible Screen averages 3.0 from 7 ratings.

### Do Phone Diagnostics or Flexible Screen have ads?

Neither Phone Diagnostics nor Flexible Screen shows ads.

### Which is updated more often, Phone Diagnostics or Flexible Screen?

Phone Diagnostics ships an update every 2 weeks, and Flexible Screen every 3 months. Most recently, Phone Diagnostics was updated on October 17, 2026 and Flexible Screen on October 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.*