# SKG School vs RDS Math

The clearest difference is update cadence: RDS Math at every 5 weeks against SKG School's every 5 months. RDS Math also leads on iOS requirement (13.0 vs 15.5). 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.

SKG School ships an update every 5 months, RDS Math every 5 weeks. The most recent releases landed on September 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SKG School | RDS Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Size | 101 MB | 36 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CampusPro EdTech Private Limited](https://appshunter.io/developer/1643435960) | [DIGITOPPER SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1506789395) |

## What reviewers say

### SKG School

[App page](https://appshunter.io/ios/app/skg-school/id6502943721)

**Features:** macOS Compatibility

**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 SKG School free?

SKG School 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 SKG School or RDS Math have ads?

Neither SKG School nor RDS Math shows ads.

### Which is updated more often, SKG School or RDS Math?

SKG School ships an update every 5 months, and RDS Math every 5 weeks. Most recently, SKG School was updated on September 20, 2026 and RDS Math on October 13, 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.*