# Ring Sizer Pro vs Bazi Qimen

The clearest difference is price: Ring Sizer Pro at $1.99 against Bazi Qimen's $39.99. Ring Sizer Pro also leads on update cadence (every 4 months vs every 23 months) and iOS requirement (13.0 vs 15.2). On ads, in-app purchases and device support there is nothing between them.

Ring Sizer Pro costs $1.99 and Bazi Qimen $39.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ring Sizer Pro ships an update every 4 months, Bazi Qimen every 23 months. The most recent releases landed on October 24, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Ring Sizer Pro | Bazi Qimen |
| --- | --- | --- |
| Price | **$1.99** | $39.99 |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/ring-sizer-pro/id1064173293/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 23 months |
| Monetization | Paid | — |
| Size | 2 MB | 24 MB |
| Requires iOS | **13.0** | 15.2 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mike Melnikov](https://appshunter.io/developer/398340766) | [Djauhery .](https://appshunter.io/developer/1510896841) |

## What reviewers say

### Ring Sizer Pro

[App page](https://appshunter.io/ios/app/ring-sizer-pro/id1064173293)

Easily determine your jewelry ring size with this accurate tool. It offers multiple measurement units, visual guides, and supports numerous international sizing systems. Share your findings effortlessly.

**Highlights:** Metric and imperial units, Diameter or circumference measurement, Visual guides for precision, Shareable results, Multiple international sizing systems, Wide size range support

**Features:** Apple Watch app

**In-app purchases:** none


### Bazi Qimen

[App page](https://appshunter.io/ios/app/bazi-qimen/id1613678352)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ring Sizer Pro free?

Ring Sizer Pro costs $1.99, with no in-app purchases.

### Is Bazi Qimen free?

Bazi Qimen costs $39.99, with no in-app purchases.

### Do Ring Sizer Pro or Bazi Qimen have ads?

Neither Ring Sizer Pro nor Bazi Qimen shows ads.

### Which is updated more often, Ring Sizer Pro or Bazi Qimen?

Ring Sizer Pro ships an update every 4 months, and Bazi Qimen every 23 months. Most recently, Ring Sizer Pro was updated on October 24, 2026 and Bazi Qimen on October 1, 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.*