# Ring Sizer vs FocusLock

The clearest difference is price: Ring Sizer at Free against FocusLock's $0.99. FocusLock's advantage is in-app purchases (none vs 3). On update cadence, ads, device support and iOS requirement there is nothing between them.

Ring Sizer is free to download; FocusLock costs $0.99 up front. Ring Sizer sells 3 in-app purchases, starting at $3.99 per 7 days. FocusLock asks for nothing beyond the download.

Ring Sizer ships an update every 3 weeks, FocusLock every 2 weeks. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Ring Sizer | FocusLock |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (35 ratings)](https://appshunter.io/ios/app/ring-sizer-ring-measure/id6739887211/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 22 MB |
| Requires iOS | **17.0** | 17.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ramkumar Vellaisamy](https://appshunter.io/developer/1706335914) | [顺飞 邹](https://appshunter.io/developer/1860143841) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-ring-measure/id6739887211)

Instantly determine your precise ring size for online shopping, custom orders, or gift purchases. Offers multiple international sizing standards and saves your measurements for future use. Get accurate results with clear, step-by-step instructions.

**Highlights:** Instant ring size measurement, Support for multiple international sizing standards, Save and access size history, Step-by-step measurement guidance, Measure for custom ring widths

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Weekly | $3.99 | per 7 days |
| Ring Sizer Yearly | $9.99 | per year |
| Ring Sizer Lifetime | $19.99 | one-time |


### FocusLock

[App page](https://appshunter.io/ios/app/focuslock-smart-app-lock/id6760992215)

**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 FocusLock free?

FocusLock costs $0.99, with no in-app purchases.

### Do Ring Sizer or FocusLock have ads?

Neither Ring Sizer nor FocusLock shows ads.

### Which is updated more often, Ring Sizer or FocusLock?

Ring Sizer ships an update every 3 weeks, and FocusLock every 2 weeks. Most recently, Ring Sizer was updated on October 8, 2026 and FocusLock on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*