# stone for iPad vs アルキト

The clearest difference is in-app purchases: stone for iPad at none against アルキト's 1. アルキト's advantage is update cadence (weekly vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. アルキト sells 1 in-app purchase, starting at $5.99 per month. stone for iPad asks for nothing beyond the download.

stone for iPad ships an update every 4 weeks, アルキト weekly. The most recent releases landed on May 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | stone for iPad | アルキト |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Size | 1 MB | 9 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Nippon Design Center, Inc.](https://appshunter.io/developer/561837629) | [Yuta Totsuka](https://appshunter.io/developer/952307846) |

## What reviewers say

### stone for iPad

[App page](https://appshunter.io/ios/app/stone-for-ipad/id6450656281)

**Features:** macOS Compatibility

**In-app purchases:** none


### アルキト

[App page](https://appshunter.io/ios/app/arkito/id6765865047)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arkito Pro | $5.99 | per month |


## Frequently asked questions

### Is stone for iPad free?

stone for iPad is free to download, with no in-app purchases.

### Is アルキト free?

アルキト is free to download, with in-app purchases available.

### Do stone for iPad or アルキト have ads?

Neither stone for iPad nor アルキト shows ads.

### Which is updated more often, stone for iPad or アルキト?

stone for iPad ships an update every 4 weeks, and アルキト weekly. Most recently, stone for iPad was updated on May 18, 2026 and アルキト on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*