# Flash Card vs RDS Math

The clearest difference is iOS requirement: RDS Math at 13.0 against Flash Card's 18.2. 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 | Flash Card | RDS Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Size | 10 MB | 36 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jeremy Giller](https://appshunter.io/developer/1633763398) | [DIGITOPPER SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1506789395) |

## What reviewers say

### Flash Card

[App page](https://appshunter.io/ios/app/flash-card-math-challenge/id6748588079)

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

**In-app purchases:** none


### RDS Math

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Flash Card free?

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

### Is RDS Math free?

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

### Do Flash Card or RDS Math have ads?

Neither Flash Card nor RDS Math 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.*