# SIMSON CASE vs Lumi Lab

The clearest difference is in-app purchases: SIMSON CASE at none against Lumi Lab's 18. SIMSON CASE also leads on iOS requirement (12.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Lumi Lab sells 5 in-app purchases, starting at $0.99 per month. SIMSON CASE asks for nothing beyond the download.

SIMSON CASE ships an update weekly, Lumi Lab every 11 days. The most recent releases landed on September 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SIMSON CASE | Lumi Lab |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Free | — |
| Size | 228 MB | 77 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Shenzhen United Power Technology Co., Ltd.](https://appshunter.io/developer/1447215451) | [Shenzhen Yetong Technology Co., Ltd.](https://appshunter.io/developer/1839120178) |

## What reviewers say

### 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


### Lumi Lab

[App page](https://appshunter.io/ios/app/lumi-lab/id6752368912)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Available Cloud Plans | $0.99 | per month |
| Monthly Cloud Plan | $0.99 | per month |
| 30-Day Monthly Cloud Plan | $1.99 | per month |
| Annual Cloud Plan | $8.99 | per year |
| 30-Day Annual Cloud Plan | $17.99 | per year |


## Frequently asked questions

### Is SIMSON CASE free?

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

### Is Lumi Lab free?

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

### Do SIMSON CASE or Lumi Lab have ads?

Neither SIMSON CASE nor Lumi Lab shows ads.

### Which is updated more often, SIMSON CASE or Lumi Lab?

SIMSON CASE ships an update weekly, and Lumi Lab every 11 days. Most recently, SIMSON CASE was updated on September 29, 2026 and Lumi Lab on October 14, 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.*