# PerfectFit® vs Ring Sizer App

The clearest difference is in-app purchases: PerfectFit® at none against Ring Sizer App's 3. Ring Sizer App's advantage is update cadence (every 8 days vs every 6 months) and iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Ring Sizer App sells 3 in-app purchases, starting at $1.99 per 7 days. PerfectFit® asks for nothing beyond the download.

PerfectFit® ships an update every 6 months, Ring Sizer App every 8 days. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PerfectFit® | Ring Sizer App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 26 MB | 12 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Radius Technologies](https://appshunter.io/developer/1452970152) | [Anul Agarwal](https://appshunter.io/developer/1515910661) |

## What reviewers say

### PerfectFit®

[App page](https://appshunter.io/ios/app/perfectfit/id1552811971)

Measure your ring size accurately for any finger with this app. It offers a seamless solution to avoid manual fittings and solves sizing issues for online jewelry shopping. Get precise measurements down to 1/8 sizes and easy international conversions.

**Highlights:** Accurate ring size measurement, Measures any finger, Precision to 1/8 sizes, International size conversion, E-commerce integration, Customizable appearance

**In-app purchases:** none


### Ring Sizer App

[App page](https://appshunter.io/ios/app/ring-sizer-app-measure-ring/id6751404396)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $1.99 | per 7 days |
| Premium Weekly | $4.99 | per 7 days |
| Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is PerfectFit® free?

PerfectFit® is free to download, with no in-app purchases.

### Is Ring Sizer App free?

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

### Do PerfectFit® or Ring Sizer App have ads?

Neither PerfectFit® nor Ring Sizer App shows ads.

### Which is updated more often, PerfectFit® or Ring Sizer App?

PerfectFit® ships an update every 6 months, and Ring Sizer App every 8 days. Most recently, PerfectFit® was updated on October 3, 2026 and Ring Sizer App on October 8, 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.*