# Ring sizer vs Ring Sizer · TrueRing

The clearest difference is in-app purchases: Ring sizer at none against Ring Sizer · TrueRing's 2. Ring sizer also leads on iOS requirement (13.0 vs 15.0). Ring Sizer · TrueRing's advantage is update cadence (every 3 weeks vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Ring Sizer · TrueRing sells 2 in-app purchases, starting at $3.99 per 7 days. Ring sizer asks for nothing beyond the download.

Ring sizer ships an update every 8 months, Ring Sizer · TrueRing every 3 weeks. The most recent releases landed on September 29, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Ring sizer | Ring Sizer · TrueRing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (13 ratings)](https://appshunter.io/ios/app/ring-sizer-unit-convertor/id1566103820/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 64.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 48 MB | 29 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Regent Branding Ltd](https://appshunter.io/developer/1128207635) | [Ozgur ULUKAN](https://appshunter.io/developer/1415538520) |

## What reviewers say

### Ring sizer

[App page](https://appshunter.io/ios/app/ring-sizer-unit-convertor/id1566103820)

Easily determine your accurate ring size and convert between international sizing standards. This tool helps you find the perfect fit for any ring, avoiding the frustration of ill-fitting jewelry. Save your sizes and compare them effortlessly.

**Highlights:** Accurate ring and finger size measurement, Convert between international ring size standards (US, UK, EU), Simple and easy-to-use interface, Supports a wide range of ring sizes, Save and compare ring sizes, Unit conversion functionality

**Features:** Vision Pro support

**In-app purchases:** none


### Ring Sizer · TrueRing

[App page](https://appshunter.io/ios/app/ring-sizer-truering/id6504435647)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $3.99 | per 7 days |
| Yearly Pro | $44.99 | per year |


## Frequently asked questions

### Is Ring sizer free?

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

### Is Ring Sizer · TrueRing free?

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

### Do Ring sizer or Ring Sizer · TrueRing have ads?

Both Ring sizer and Ring Sizer · TrueRing show ads.

### Which is updated more often, Ring sizer or Ring Sizer · TrueRing?

Ring sizer ships an update every 8 months, and Ring Sizer · TrueRing every 3 weeks. Most recently, Ring sizer was updated on September 29, 2026 and Ring Sizer · TrueRing on September 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.*