# re'll vs Kkaaai powered by Ari・gate

re'll and Kkaaai powered by Ari・gate are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 39 months. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | re'll | Kkaaai powered by Ari・gate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | Every 39 months |
| Size | 3 MB | 4 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naoya Takahashi](https://appshunter.io/developer/1301211980) | [Naoya Takahashi](https://appshunter.io/developer/1301211980) |

## What reviewers say

### re'll

[App page](https://appshunter.io/ios/app/rell/id1616320313)

**In-app purchases:** none


### Kkaaai powered by Ari・gate

[App page](https://appshunter.io/ios/app/kkaaai-powered-by-arigate/id1619761098)

**In-app purchases:** none


## Frequently asked questions

### Is re'll free?

re'll is free to download, with no in-app purchases.

### Is Kkaaai powered by Ari・gate free?

Kkaaai powered by Ari・gate is free to download, with no in-app purchases.

### Do re'll or Kkaaai powered by Ari・gate have ads?

Neither re'll nor Kkaaai powered by Ari・gate shows ads.

### Which is updated more often, re'll or Kkaaai powered by Ari・gate?

re'll ships an update every 39 months, and Kkaaai powered by Ari・gate every 39 months. Most recently, re'll was updated on October 4, 2026 and Kkaaai powered by Ari・gate on October 10, 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.*