# K1くんBIG vs Okageレジ

The clearest difference is update cadence: Okageレジ at monthly against K1くんBIG's every 15 months. K1くんBIG's advantage is iOS requirement (10.0 vs 15.0). 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.

K1くんBIG ships an update every 15 months, Okageレジ monthly. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | K1くんBIG | Okageレジ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Monthly** |
| Size | 2 MB | 53 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [株式会社アプリラボ](https://appshunter.io/developer/567688645) | [Okage, Inc.](https://appshunter.io/developer/403052924) |

## What reviewers say

### K1くんBIG

[App page](https://appshunter.io/ios/app/k1big/id571889448)

**Features:** macOS Compatibility

**In-app purchases:** none


### Okageレジ

[App page](https://appshunter.io/ios/app/okage/id1215545711)

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

**In-app purchases:** none


## Frequently asked questions

### Is K1くんBIG free?

K1くんBIG is free to download, with no in-app purchases.

### Is Okageレジ free?

Okageレジ is free to download, with no in-app purchases.

### Do K1くんBIG or Okageレジ have ads?

Neither K1くんBIG nor Okageレジ shows ads.

### Which is updated more often, K1くんBIG or Okageレジ?

K1くんBIG ships an update every 15 months, and Okageレジ monthly. Most recently, K1くんBIG was updated on October 13, 2026 and Okageレジ on October 12, 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.*