# a vs REDMAX

The clearest difference is iOS requirement: a at 10.0 against REDMAX's 13.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | a | REDMAX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 29 MB | 19 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [iTAG Technologies LLC](https://appshunter.io/developer/1249957656) | [R&J Batteries PTY LTD](https://appshunter.io/developer/1527962797) |

## What reviewers say

### a

[App page](https://appshunter.io/ios/app/a-map-battery-tester/id6444059707)

**Features:** macOS Compatibility

**In-app purchases:** none


### REDMAX

[App page](https://appshunter.io/ios/app/redmax/id6760121849)

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

**In-app purchases:** none


## Frequently asked questions

### Is a free?

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

### Is REDMAX free?

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

### Do a or REDMAX have ads?

Neither a nor REDMAX 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.*