# Ring Size Calcluator vs Ring Sizer · TrueRing

The clearest difference is in-app purchases: Ring Size Calcluator at none against Ring Sizer · TrueRing's 2. Ring Size Calcluator also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.0). Ring Sizer · TrueRing's advantage is update cadence (every 3 weeks vs every 7 months). On price 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 Size Calcluator asks for nothing beyond the download.

Ring Size Calcluator ships an update every 7 months, Ring Sizer · TrueRing every 3 weeks. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Ring Size Calcluator | Ring Sizer · TrueRing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ring-size-calcluator/id1572440402/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 48 MB | 29 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Nuox technologies](https://appshunter.io/developer/1547376240) | [Ozgur ULUKAN](https://appshunter.io/developer/1415538520) |

## What reviewers say

### Ring Size Calcluator

[App page](https://appshunter.io/ios/app/ring-size-calcluator/id1572440402)

Easily determine your ring size at home. This utility app allows you to measure your finger using common household items like credit cards or coins. Get accurate measurements for your jewelry purchases.

**Highlights:** Measure ring size, Use debit/credit card for measurement, Use coins for measurement, Home measurement tool

**Features:** macOS Compatibility

**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 Size Calcluator free?

Ring Size Calcluator 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 Size Calcluator or Ring Sizer · TrueRing have ads?

Ring Sizer · TrueRing shows ads; Ring Size Calcluator does not.

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

Ring Size Calcluator ships an update every 7 months, and Ring Sizer · TrueRing every 3 weeks. Most recently, Ring Size Calcluator was updated on October 20, 2026 and Ring Sizer · TrueRing on October 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.*