# Ring Sizer by Jason Withers © vs Halliday G2

The clearest difference is in-app purchases: Halliday G2 at none against Ring Sizer by Jason Withers ©'s 5. Halliday G2 also leads on ads (none vs shown) and update cadence (every 5 days vs every 4 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Ring Sizer by Jason Withers © sells 5 in-app purchases, starting at $1.99 per 7 days. Halliday G2 asks for nothing beyond the download.

Ring Sizer by Jason Withers © ships an update every 4 weeks, Halliday G2 every 5 days. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ring Sizer by Jason Withers © | Halliday G2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7K ratings)](https://appshunter.io/ios/app/ring-sizer-by-jason-withers/id795721582/reviews)** | — |
| Number of ratings | **7K** | — |
| Positive reviews | 23.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 80 MB | 68 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Uniqo Lab.](https://appshunter.io/developer/1625160709) | [HALLIDAY HOLDINGS PTE. LTD.](https://appshunter.io/developer/1808849381) |

## What reviewers say

### Ring Sizer by Jason Withers ©

[App page](https://appshunter.io/ios/app/ring-sizer-by-jason-withers/id795721582)

Easily determine your ring size across multiple countries using metric or imperial units. Features visual guides and supports various international sizing standards. Share your size and explore a jewelry catalog.

**Highlights:** Metric/Imperial units, Diameter/Circumference measurement, Visual measuring guides, International size support (USA, UK, EU, etc.), Social sharing of ring size, Jewelry catalog integration

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All you need | $1.99 | per 7 days |
| All you need | $2.99 | per 7 days |
| All you need | $2.99 | per 7 days |
| All you need | $3.99 | per 7 days |
| All you need | $3.99 | per 7 days |

**What reviewers like**

- 👍 Easy to use
- 🚀 Helpful tool
- 💡 Useful for ring size measurement

**What reviewers complain about**

- 🐛 Inaccurate measurements
- 💸 Excessive ads
- 🙄 Poor user experience due to ads
- 🤯 Completely unusable due to ads

**Reported bugs**

- Sizing circle goes out of view
- Inconsistent measurements across devices

**Requested features**

- Calibration option for different screen sizes
- Larger measurement range for bigger ring sizes


### Halliday G2

[App page](https://appshunter.io/ios/app/halliday-g2/id6771237314)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ring Sizer by Jason Withers © free?

Ring Sizer by Jason Withers © is free to download, with in-app purchases available.

### Is Halliday G2 free?

Halliday G2 is free to download, with no in-app purchases.

### Do Ring Sizer by Jason Withers © or Halliday G2 have ads?

Ring Sizer by Jason Withers © shows ads; Halliday G2 does not.

### Which is updated more often, Ring Sizer by Jason Withers © or Halliday G2?

Ring Sizer by Jason Withers © ships an update every 4 weeks, and Halliday G2 every 5 days. Most recently, Ring Sizer by Jason Withers © was updated on November 11, 2026 and Halliday G2 on October 31, 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.*