# Toolbox vs Ring Sizer & Ruler

The clearest difference is price: Ring Sizer & Ruler at Free against Toolbox's $3.99. Ring Sizer & Ruler also leads on iOS requirement (15.6 vs 17.6). Toolbox's advantage is in-app purchases (none vs 4). On update cadence, ads and device support there is nothing between them.

Ring Sizer & Ruler is free to download; Toolbox costs $3.99 up front. Ring Sizer & Ruler sells 4 in-app purchases, starting at $9.99 per 7 days. Toolbox asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Toolbox | Ring Sizer & Ruler |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 23 MB | 46 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Rodzaevskiy](https://appshunter.io/developer/1838906311) | [VAST FLOW, TOO](https://appshunter.io/developer/1754861329) |

## What reviewers say

### Toolbox

[App page](https://appshunter.io/ios/app/toolbox-level-ruler-sound/id6766102495)

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

**In-app purchases:** none


### Ring Sizer & Ruler

[App page](https://appshunter.io/ios/app/ring-sizer-and-ruler-mesurix/id6776475871)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly \| Mesurix Pro | $9.99 | per 7 days |
| Yearly \| Mesurix Pro | $39.99 | per year |
| Lifetime Access | $14.99 | one-time |
| Mesurix Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Toolbox free?

Toolbox costs $3.99, with no in-app purchases.

### Is Ring Sizer & Ruler free?

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

### Do Toolbox or Ring Sizer & Ruler have ads?

Neither Toolbox nor Ring Sizer & Ruler shows ads.

### Which is updated more often, Toolbox or Ring Sizer & Ruler?

Toolbox ships an update every 2 months, and Ring Sizer & Ruler every 2 months. Most recently, Toolbox was updated on November 9, 2026 and Ring Sizer & Ruler on November 10, 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.*