# Ability Index Academy vs SixSides

The clearest difference is update cadence: Ability Index Academy at every 3 days against SixSides's every 3 weeks. Ability Index Academy also leads on iOS requirement (15.0 vs 18.0). 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.

Ability Index Academy ships an update every 3 days, SixSides every 3 weeks. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Ability Index Academy | SixSides |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 9 MB | 83 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Ability Index Pty Ltd](https://appshunter.io/developer/1755525210) | [SixSides Pty Ltd](https://appshunter.io/developer/1824777044) |

## What reviewers say

### Ability Index Academy

[App page](https://appshunter.io/ios/app/ability-index-academy/id6511223484)

**In-app purchases:** none


### SixSides

[App page](https://appshunter.io/ios/app/sixsides/id6748241860)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ability Index Academy free?

Ability Index Academy is free to download, with no in-app purchases.

### Is SixSides free?

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

### Do Ability Index Academy or SixSides have ads?

Neither Ability Index Academy nor SixSides shows ads.

### Which is updated more often, Ability Index Academy or SixSides?

Ability Index Academy ships an update every 3 days, and SixSides every 3 weeks. Most recently, Ability Index Academy was updated on October 24, 2026 and SixSides on October 8, 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.*