# ForceChk vs Lumi

The clearest difference is in-app purchases: ForceChk at none against Lumi's 1. ForceChk also leads on update cadence (monthly vs every 54 months) and iOS requirement (12.1 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Lumi sells 1 one-off in-app purchase. ForceChk asks for nothing beyond the download.

ForceChk ships an update monthly, Lumi every 54 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ForceChk | Lumi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 54 months |
| Size | 15 MB | 2 MB |
| Requires iOS | **12.1** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [eKeypad Mobile Solutions LLC](https://appshunter.io/developer/293689035) | [Kazumasa Matsushita](https://appshunter.io/developer/1569771331) |

## What reviewers say

### ForceChk

[App page](https://appshunter.io/ios/app/forcechk/id1536148707)

**In-app purchases:** none


### Lumi

[App page](https://appshunter.io/ios/app/lumi-det/id1569771329)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support max 10 devices | $2.99 | one-time |


## Frequently asked questions

### Is ForceChk free?

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

### Is Lumi free?

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

### Do ForceChk or Lumi have ads?

Neither ForceChk nor Lumi shows ads.

### Which is updated more often, ForceChk or Lumi?

ForceChk ships an update monthly, and Lumi every 54 months. Most recently, ForceChk was updated on November 3, 2026 and Lumi on October 27, 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.*