# CloudLabs Vector subtraction vs Kukuku! 3

The clearest difference is update cadence: Kukuku! 3 at fortnightly against CloudLabs Vector subtraction's every 21 months. CloudLabs Vector subtraction's advantage is iOS requirement (9.0 vs 15.1). 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.

CloudLabs Vector subtraction ships an update every 21 months, Kukuku! 3 fortnightly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CloudLabs Vector subtraction | Kukuku! 3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Fortnightly** |
| Size | 70 MB | 41 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [Keita Ide](https://appshunter.io/developer/1804599366) |

## What reviewers say

### CloudLabs Vector subtraction

[App page](https://appshunter.io/ios/app/cloudlabs-vector-subtraction/id1633261194)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kukuku! 3

[App page](https://appshunter.io/ios/app/kukuku-3-digit-multiplication/id6759827804)

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

**In-app purchases:** none


## Frequently asked questions

### Is CloudLabs Vector subtraction free?

CloudLabs Vector subtraction is free to download, with no in-app purchases.

### Is Kukuku! 3 free?

Kukuku! 3 is free to download, with no in-app purchases.

### Do CloudLabs Vector subtraction or Kukuku! 3 have ads?

Neither CloudLabs Vector subtraction nor Kukuku! 3 shows ads.

### Which is updated more often, CloudLabs Vector subtraction or Kukuku! 3?

CloudLabs Vector subtraction ships an update every 21 months, and Kukuku! 3 fortnightly. Most recently, CloudLabs Vector subtraction was updated on October 25, 2026 and Kukuku! 3 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.*