# Locking Check vs Sumade

The clearest difference is in-app purchases: Sumade at none against Locking Check's 1. Locking Check's advantage is update cadence (every 6 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Locking Check sells 1 one-off in-app purchase. Sumade asks for nothing beyond the download.

Locking Check ships an update every 6 weeks, Sumade every 4 months. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Locking Check | Sumade |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Size | 5 MB | 104 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Atsushi Ezaki](https://appshunter.io/developer/1099847684) | [株式会社DAIXs](https://appshunter.io/developer/1775693904) |

## What reviewers say

### Locking Check

[App page](https://appshunter.io/ios/app/locking-check/id1523162174)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide Ads | $1.99 | one-time |


### Sumade

[App page](https://appshunter.io/ios/app/sumade/id6737273502)

**In-app purchases:** none


## Frequently asked questions

### Is Locking Check free?

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

### Is Sumade free?

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

### Do Locking Check or Sumade have ads?

Both Locking Check and Sumade show ads.

### Which is updated more often, Locking Check or Sumade?

Locking Check ships an update every 6 weeks, and Sumade every 4 months. Most recently, Locking Check was updated on September 16, 2026 and Sumade on September 17, 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.*