# トンツー vs Kasane

The clearest difference is in-app purchases: トンツー at none against Kasane's 1. トンツー also leads on update cadence (every 6 days vs every 3 weeks) and iOS requirement (15.0 vs 17.0). Kasane's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Kasane sells 1 one-off in-app purchase. トンツー asks for nothing beyond the download.

トンツー ships an update every 6 days, Kasane every 3 weeks. The most recent releases landed on November 5, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | トンツー | Kasane |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Size | 28 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [qwertyu](https://appshunter.io/developer/553512070) | [torankirite](https://appshunter.io/developer/1883564850) |

## What reviewers say

### トンツー

[App page](https://appshunter.io/ios/app/id6761429535)

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

**In-app purchases:** none


### Kasane

[App page](https://appshunter.io/ios/app/kasane-hexa-color-stack/id6810858879)

**Features:** iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is トンツー free?

トンツー is free to download, with no in-app purchases.

### Is Kasane free?

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

### Do トンツー or Kasane have ads?

トンツー shows ads; Kasane does not.

### Which is updated more often, トンツー or Kasane?

トンツー ships an update every 6 days, and Kasane every 3 weeks. Most recently, トンツー was updated on November 5, 2026 and Kasane on November 1, 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.*