# FixPDF vs Ring Sizer

The clearest difference is in-app purchases: Ring Sizer at none against FixPDF's 3. Ring Sizer also leads on ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). FixPDF's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price there is nothing between them.

Both are free to download. FixPDF sells 3 in-app purchases, starting at $0.99 per 7 days. Ring Sizer asks for nothing beyond the download.

FixPDF ships an update every 3 weeks, Ring Sizer every 2 days. The most recent releases landed on August 25, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | FixPDF | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/ring-sizer-ring-size-finder/id6760617077/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 102 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Denisha Vadukia](https://appshunter.io/developer/1457682931) | [100 Factories](https://appshunter.io/developer/1559484344) |

## What reviewers say

### FixPDF

[App page](https://appshunter.io/ios/app/fixpdf-pdf-editor-and-converter/id6760401242)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $0.99 | per month |
| Yearly | $4.99 | per year |


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-ring-size-finder/id6760617077)

Easily determine your ring size at home using your finger or an existing ring. Get results in multiple international sizing systems instantly. Save your measurements for future reference.

**Highlights:** Measure with finger, Measure with existing ring, Multiple size systems, Screen-calibrated accuracy, Save and compare measurements

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

**In-app purchases:** none


## Frequently asked questions

### Is FixPDF free?

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

### Is Ring Sizer free?

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

### Do FixPDF or Ring Sizer have ads?

FixPDF shows ads; Ring Sizer does not.

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

FixPDF ships an update every 3 weeks, and Ring Sizer every 2 days. Most recently, FixPDF was updated on August 25, 2026 and Ring Sizer on September 16, 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.*