# MRS vs SunSafe Tracker

The clearest difference is iOS requirement: MRS at 9.0 against SunSafe Tracker's 18.4. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MRS ships an update every 6 days, SunSafe Tracker weekly. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MRS | SunSafe Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Size | 42 MB | 3 MB |
| Requires iOS | **9.0** | 18.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GUANDDONG TIANPU TECHNOLOGY GROUP CO.,LTD.](https://appshunter.io/developer/1637560013) | [Tugay Ocal](https://appshunter.io/developer/1658653710) |

## What reviewers say

### MRS

[App page](https://appshunter.io/ios/app/mrs-audio/id1577880069)

**Features:** macOS Compatibility

**In-app purchases:** none


### SunSafe Tracker

[App page](https://appshunter.io/ios/app/sunsafe-tracker/id6747925937)

**In-app purchases:** none


## Frequently asked questions

### Is MRS free?

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

### Is SunSafe Tracker free?

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

### Do MRS or SunSafe Tracker have ads?

Neither MRS nor SunSafe Tracker shows ads.

### Which is updated more often, MRS or SunSafe Tracker?

MRS ships an update every 6 days, and SunSafe Tracker weekly. Most recently, MRS was updated on October 17, 2026 and SunSafe Tracker on October 25, 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.*