# Ring Sizer & Ruler vs PDFBeam

The clearest difference is update cadence: PDFBeam at every 2 weeks against Ring Sizer & Ruler's every 2 months. Ring Sizer & Ruler's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Ring Sizer & Ruler sells 4 in-app purchases, starting at $9.99 per 7 days and PDFBeam sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Ring Sizer & Ruler ships an update every 2 months, PDFBeam every 2 weeks. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ring Sizer & Ruler | PDFBeam |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 46 MB | 12 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VAST FLOW, TOO](https://appshunter.io/developer/1754861329) | [AHMET SEZER FIDANCI](https://appshunter.io/developer/1875924111) |

## What reviewers say

### 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 |


### PDFBeam

[App page](https://appshunter.io/ios/app/pdfbeam-pdf-to-qr-code/id6783460047)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |


## Frequently asked questions

### Is Ring Sizer & Ruler free?

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

### Is PDFBeam free?

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

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

Neither Ring Sizer & Ruler nor PDFBeam shows ads.

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

Ring Sizer & Ruler ships an update every 2 months, and PDFBeam every 2 weeks. Most recently, Ring Sizer & Ruler was updated on October 15, 2026 and PDFBeam on October 24, 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.*