# Compo Owl vs Singapore Math Drills

The clearest difference is in-app purchases: Compo Owl at none against Singapore Math Drills's 10. Compo Owl also leads on iOS requirement (13.4 vs 15.0). Singapore Math Drills's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Singapore Math Drills sells 10 in-app purchases, starting at $19.99 per 3 months. Compo Owl asks for nothing beyond the download.

Compo Owl ships an update every 2 weeks, Singapore Math Drills every 4 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Compo Owl | Singapore Math Drills |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 28 MB | 21 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EDUFERN PTE. LTD.](https://appshunter.io/developer/1594811921) | [Charles Arthur Caballero Agaton](https://appshunter.io/developer/6805324760) |

## What reviewers say

### Compo Owl

[App page](https://appshunter.io/ios/app/compo-owl/id6476132410)

**Features:** macOS Compatibility

**In-app purchases:** none


### Singapore Math Drills

[App page](https://appshunter.io/ios/app/singapore-math-drills/id6805324758)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Plus Quarterly | $19.99 | per 3 months |
| Family Pro Quarterly | $29.99 | per 3 months |
| Student Basic Yearly | $34.99 | per year |
| Student Max Quarterly | $34.99 | per 3 months |
| Family Basic Yearly | $49.99 | per year |
| Family Max Quarterly | $49.99 | per 3 months |
| Student Plus Yearly | $69.99 | per year |
| Family Pro Yearly | $99.99 | per year |
| Student Max Yearly | $99.99 | per year |
| Family Max Yearly | $149.99 | per year |


## Frequently asked questions

### Is Compo Owl free?

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

### Is Singapore Math Drills free?

Singapore Math Drills is free to download, with in-app purchases available.

### Do Compo Owl or Singapore Math Drills have ads?

Neither Compo Owl nor Singapore Math Drills shows ads.

### Which is updated more often, Compo Owl or Singapore Math Drills?

Compo Owl ships an update every 2 weeks, and Singapore Math Drills every 4 days. Most recently, Compo Owl was updated on October 25, 2026 and Singapore Math Drills on October 31, 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.*