# Ring Sizer vs David Cheung 張大偉僱傭

The clearest difference is in-app purchases: David Cheung 張大偉僱傭 at none against Ring Sizer's 2. David Cheung 張大偉僱傭 also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). Ring Sizer's advantage is update cadence (every 2 months vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Ring Sizer sells 2 in-app purchases, starting at $3.99 per 7 days. David Cheung 張大偉僱傭 asks for nothing beyond the download.

Ring Sizer ships an update every 2 months, David Cheung 張大偉僱傭 every 6 months. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Ring Sizer | David Cheung 張大偉僱傭 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (14 ratings)](https://appshunter.io/ios/app/ring-sizer-ring-fing/id6444123111/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 105 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Irina Scelcunova](https://appshunter.io/developer/1737748446) | [EMPLOYEASY GROUP LIMITED](https://appshunter.io/developer/1722442715) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-ring-fing/id6444123111)

Accurately measure rings, jewelry, and other objects using advanced AR technology and a digital ruler. Supports multiple international sizing systems for precise fitting.

**Highlights:** Measure rings and jewelry with AR, Digital ruler for object measurement, Supports US, AU/GB, EU/ISO, JP/CN sizing, AR tape measure functionality, Precise diamond/gemstone ring sizing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer | $3.99 | per 7 days |
| Ring Fing Vip for three months | $9.99 | per 3 months |


### David Cheung 張大偉僱傭

[App page](https://appshunter.io/ios/app/david-cheung/id6751269187)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ring Sizer free?

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

### Is David Cheung 張大偉僱傭 free?

David Cheung 張大偉僱傭 is free to download, with no in-app purchases.

### Do Ring Sizer or David Cheung 張大偉僱傭 have ads?

Ring Sizer shows ads; David Cheung 張大偉僱傭 does not.

### Which is updated more often, Ring Sizer or David Cheung 張大偉僱傭?

Ring Sizer ships an update every 2 months, and David Cheung 張大偉僱傭 every 6 months. Most recently, Ring Sizer was updated on October 3, 2026 and David Cheung 張大偉僱傭 on October 5, 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.*