# Phone Diagnostics vs Steel cutting optimization Pro

The clearest difference is rating: Phone Diagnostics at 3.8 against Steel cutting optimization Pro's 1.0. Phone Diagnostics also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 17 months). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Phone Diagnostics sells 1 one-off in-app purchase and Steel cutting optimization Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Phone Diagnostics holds the better App Store score, 3.8 against 1.0. That said, the two scores are not equally well evidenced: Phone Diagnostics has 86 ratings behind it against 1, so its average is the more settled of the two.

Phone Diagnostics ships an update every 2 weeks, Steel cutting optimization Pro every 17 months. The most recent releases landed on August 29, 2026 and June 23, 2026 respectively.

## The numbers

| Metric | Phone Diagnostics | Steel cutting optimization Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (86 ratings)](https://appshunter.io/ios/app/phone-diagnostics/id1171677218/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/steel-cutting-optimization-pro/id1526474444/reviews) |
| Number of ratings | **86** | 1 |
| Positive reviews | 63.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 17 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 35 MB | 42 MB |
| Requires iOS | **12** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HITEK_NOVA](https://appshunter.io/developer/1171677217) | [Duy Nguyen Van](https://appshunter.io/developer/1525340974) |

## 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 |


### Steel cutting optimization Pro

[App page](https://appshunter.io/ios/app/steel-cutting-optimization-pro/id1526474444)

This app uses intelligent algorithms to optimize steel cutting, minimizing waste. It's designed for professionals managing multiple steel machining tasks, featuring an integrated lookup table and a simple, lightweight interface.

**Highlights:** Intelligent steel cutting algorithms, Minimizes residual steel, Handles multiple machining tasks, Integrated steel lookup table, Simple and lightweight interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Forever | $1.99 | one-time |


## Frequently asked questions

### Is Phone Diagnostics free?

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

### Is Steel cutting optimization Pro free?

Steel cutting optimization Pro is free to download, with in-app purchases available.

### Which has better reviews, Phone Diagnostics or Steel cutting optimization Pro?

Phone Diagnostics is rated higher. Phone Diagnostics averages 3.8 out of 5 from 86 ratings, while Steel cutting optimization Pro averages 1.0 from 1 ratings.

### Do Phone Diagnostics or Steel cutting optimization Pro have ads?

Steel cutting optimization Pro shows ads; Phone Diagnostics does not.

### Which is updated more often, Phone Diagnostics or Steel cutting optimization Pro?

Phone Diagnostics ships an update every 2 weeks, and Steel cutting optimization Pro every 17 months. Most recently, Phone Diagnostics was updated on August 29, 2026 and Steel cutting optimization Pro on June 23, 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.*