# Paper Kirei G2 vs SIMSON CASE

The clearest difference is update cadence: SIMSON CASE at weekly against Paper Kirei G2's fortnightly. SIMSON CASE also leads on iOS requirement (12.0 vs 15.6). 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.

Paper Kirei G2 ships an update fortnightly, SIMSON CASE weekly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Paper Kirei G2 | SIMSON CASE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.1 (7 ratings)](https://appshunter.io/ios/app/simson-case/id6751013114/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | — | Free |
| Size | 14 MB | 228 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [东海 刘](https://appshunter.io/developer/1643660653) | [Shenzhen United Power Technology Co., Ltd.](https://appshunter.io/developer/1447215451) |

## What reviewers say

### Paper Kirei G2

[App page](https://appshunter.io/ios/app/paper-kirei-g2/id6654904032)

**Features:** macOS Compatibility

**In-app purchases:** none


### SIMSON CASE

[App page](https://appshunter.io/ios/app/simson-case/id6751013114)

Connect your phone case to customize dynamic watch faces. Design unique animated watch faces to express your style.

**Highlights:** Connect phone case, DIY dynamic watch faces, Customize animated designs, Personalize watch face style

**In-app purchases:** none


## Frequently asked questions

### Is Paper Kirei G2 free?

Paper Kirei G2 is free to download, with no in-app purchases.

### Is SIMSON CASE free?

SIMSON CASE is free to download, with no in-app purchases.

### Do Paper Kirei G2 or SIMSON CASE have ads?

Neither Paper Kirei G2 nor SIMSON CASE shows ads.

### Which is updated more often, Paper Kirei G2 or SIMSON CASE?

Paper Kirei G2 ships an update fortnightly, and SIMSON CASE weekly. Most recently, Paper Kirei G2 was updated on October 27, 2026 and SIMSON CASE on October 30, 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.*