# Ring Sizer vs LockUrApp

The clearest difference is in-app purchases: LockUrApp at none against Ring Sizer's 2. LockUrApp also leads on update cadence (daily vs fortnightly). Ring Sizer's advantage is ads (none vs shown) and iOS requirement (15.1 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Ring Sizer sells 2 in-app purchases, starting at $4.99 per 7 days. LockUrApp asks for nothing beyond the download.

Ring Sizer ships an update fortnightly, LockUrApp daily. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Ring Sizer | LockUrApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Daily** |
| Size | 38 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Utku Gogen](https://appshunter.io/developer/1677858400) | [Hamza El Zefri](https://appshunter.io/developer/1896672484) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-ring-size/id6760242241)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Weekly | $4.99 | per 7 days |
| Ring Sizer Yearly | $14.99 | per year |


### LockUrApp

[App page](https://appshunter.io/ios/app/lockurapp/id6799263767)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ring Sizer free?

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

### Is LockUrApp free?

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

### Do Ring Sizer or LockUrApp have ads?

LockUrApp shows ads; Ring Sizer does not.

### Which is updated more often, Ring Sizer or LockUrApp?

Ring Sizer ships an update fortnightly, and LockUrApp daily. Most recently, Ring Sizer was updated on October 10, 2026 and LockUrApp on October 6, 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.*