# RDS Math vs UPIDR eZone

The clearest difference is iOS requirement: RDS Math at 13.0 against UPIDR eZone's 15.6. 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 | RDS Math | UPIDR eZone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 36 MB | 74 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DIGITOPPER SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1506789395) | [Gaurav Kumar](https://appshunter.io/developer/668561728) |

## What reviewers say

### RDS Math

[App page](https://appshunter.io/ios/app/rds-math/id6758041173)

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

**In-app purchases:** none


### UPIDR eZone

[App page](https://appshunter.io/ios/app/upidr-ezone/id6760337755)

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

**In-app purchases:** none


## Frequently asked questions

### Is RDS Math free?

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

### Is UPIDR eZone free?

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

### Do RDS Math or UPIDR eZone have ads?

Neither RDS Math nor UPIDR eZone 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.*