# PowerDiag vs RayStatus | Phone Diagnostics

The clearest difference is in-app purchases: PowerDiag at none against RayStatus | Phone Diagnostics's 2. PowerDiag also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. RayStatus | Phone Diagnostics sells 2 in-app purchases, starting at $1.99 per month. PowerDiag asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | PowerDiag | RayStatus | Phone Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Size | 2 MB | 18 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [QIAN WANPENG](https://appshunter.io/developer/1896729435) | [RUEI HUNG SHIU](https://appshunter.io/developer/6791387950) |

## What reviewers say

### PowerDiag

[App page](https://appshunter.io/ios/app/powerdiag/id6770429306)

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

**In-app purchases:** none


### RayStatus | Phone Diagnostics

[App page](https://appshunter.io/ios/app/raystatus-phone-diagnostics/id6799954244)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RayStatus Pro Monthly | $1.99 | per month |
| RayStatus Pro Yearly | $12.99 | per year |


## Frequently asked questions

### Is PowerDiag free?

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

### Is RayStatus | Phone Diagnostics free?

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

### Do PowerDiag or RayStatus | Phone Diagnostics have ads?

RayStatus | Phone Diagnostics shows ads; PowerDiag does not.

### Which is updated more often, PowerDiag or RayStatus | Phone Diagnostics?

PowerDiag ships an update every 2 months, and RayStatus | Phone Diagnostics every 2 months. Most recently, PowerDiag was updated on November 5, 2026 and RayStatus | Phone Diagnostics on November 6, 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.*