# Phone Diagnostics Expert vs S+3

The clearest difference is in-app purchases: S+3 at none against Phone Diagnostics Expert's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Phone Diagnostics Expert sells 1 one-off in-app purchase. S+3 asks for nothing beyond the download.

Phone Diagnostics Expert ships an update every 2 weeks, S+3 monthly. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Phone Diagnostics Expert | S+3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (17 ratings)](https://appshunter.io/ios/app/phone-diagnostics-expert/id6752949053/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 45 MB | 56 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [君 潘](https://appshunter.io/developer/647696765) | [Master Team](https://appshunter.io/developer/1724626670) |

## What reviewers say

### Phone Diagnostics Expert

[App page](https://appshunter.io/ios/app/phone-diagnostics-expert/id6752949053)

This tool offers a comprehensive diagnostic for your device's hardware and functions. It provides both quick, automatic checks and detailed manual tests for individual components, generating complete reports for troubleshooting or verification.

**Highlights:** One-click automatic hardware detection, Manual verification of individual components, Generation of detailed test result reports, Tests for sensors, connectivity, and hardware, Camera, screen, and system function checks

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $0.99 | one-time |


### S+3

[App page](https://appshunter.io/ios/app/s-plus-3/id6753159927)

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

**In-app purchases:** none


## Frequently asked questions

### Is Phone Diagnostics Expert free?

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

### Is S+3 free?

S+3 is free to download, with no in-app purchases.

### Do Phone Diagnostics Expert or S+3 have ads?

Neither Phone Diagnostics Expert nor S+3 shows ads.

### Which is updated more often, Phone Diagnostics Expert or S+3?

Phone Diagnostics Expert ships an update every 2 weeks, and S+3 monthly. Most recently, Phone Diagnostics Expert was updated on October 24, 2026 and S+3 on October 20, 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.*