# MagicLockBox vs Ring Sizer

The clearest difference is update cadence: Ring Sizer at daily against MagicLockBox's every 2 months. 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.

MagicLockBox ships an update every 2 months, Ring Sizer daily. The most recent releases landed on August 26, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | MagicLockBox | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 3 MB | 1 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SYSTEM DESIGN CORP](https://appshunter.io/developer/510277744) | [Asil Arslan](https://appshunter.io/developer/1495845191) |

## What reviewers say

### MagicLockBox

[App page](https://appshunter.io/ios/app/magiclockbox/id1593575098)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-measure-rings/id1658171116)

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

**In-app purchases:** none


## Frequently asked questions

### Is MagicLockBox free?

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

### Is Ring Sizer free?

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

### Do MagicLockBox or Ring Sizer have ads?

Neither MagicLockBox nor Ring Sizer shows ads.

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

MagicLockBox ships an update every 2 months, and Ring Sizer daily. Most recently, MagicLockBox was updated on August 26, 2026 and Ring Sizer on September 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.*