# PowerMaster vs MapYourOTDR

The clearest difference is in-app purchases: PowerMaster at none against MapYourOTDR's 1. PowerMaster also leads on iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. MapYourOTDR sells 1 one-off in-app purchase. PowerMaster asks for nothing beyond the download.

## The numbers

| Metric | PowerMaster | MapYourOTDR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 52 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Cyber Energy Co., Ltd.](https://appshunter.io/developer/1463752550) | [Sanjay Yadav](https://appshunter.io/developer/1507771486) |

## What reviewers say

### PowerMaster

[App page](https://appshunter.io/ios/app/powermaster/id1463752551)

**Features:** macOS Compatibility

**In-app purchases:** none


### MapYourOTDR

[App page](https://appshunter.io/ios/app/mapyourotdr/id6779824590)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MapYourOTDR | $14.99 | one-time |


## Frequently asked questions

### Is PowerMaster free?

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

### Is MapYourOTDR free?

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

### Do PowerMaster or MapYourOTDR have ads?

Neither PowerMaster nor MapYourOTDR shows ads.

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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.*