# O vs Akello SmartLearning

The clearest difference is ads: Akello SmartLearning at none against O's shown. Akello SmartLearning also leads on update cadence (every 10 days vs every 29 months) and iOS requirement (13.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. O sells 2 in-app purchases, starting at $0.99 per 3 months and Akello SmartLearning sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

O ships an update every 29 months, Akello SmartLearning every 10 days. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | O | Akello SmartLearning |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 29 months | **Every 10 days** |
| Size | 76 MB | 45 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Albert Mungochi](https://appshunter.io/developer/1724993311) | [SIMBA DISRUPT](https://appshunter.io/developer/1697545064) |

## What reviewers say

### O

[App page](https://appshunter.io/ios/app/o-level-mathematics-revision/id6478979508)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Quarterly | $0.99 | per 3 months |
| Premium Annual | $2.99 | per year |


### Akello SmartLearning

[App page](https://appshunter.io/ios/app/akello-smartlearning/id6504407895)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Content (notes and exercises) | $0.99 | per month |
| ZIMSEC Past exam papers | $0.99 | per month |
| Premium (content & exam prep) | $1.99 | per month |


## Frequently asked questions

### Is O free?

O is free to download, with in-app purchases available.

### Is Akello SmartLearning free?

Akello SmartLearning is free to download, with in-app purchases available.

### Do O or Akello SmartLearning have ads?

O shows ads; Akello SmartLearning does not.

### Which is updated more often, O or Akello SmartLearning?

O ships an update every 29 months, and Akello SmartLearning every 10 days. Most recently, O was updated on October 7, 2026 and Akello SmartLearning on October 9, 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.*