# Ring Sizer vs Lifiot App

The clearest difference is in-app purchases: Lifiot App at none against Ring Sizer's 5. Lifiot App also leads on ads (none vs shown) and update cadence (every 8 days vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Ring Sizer sells 5 in-app purchases, starting at $1.99 per 7 days. Lifiot App asks for nothing beyond the download.

Ring Sizer ships an update every 3 months, Lifiot App every 8 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ring Sizer | Lifiot App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (464 ratings)](https://appshunter.io/ios/app/ring-sizer-ring-size-meter/id1666860110/reviews)** | — |
| Number of ratings | **464** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 92 MB | 9 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AppLiks Sp. z O.O.](https://appshunter.io/developer/1804335622) | [Lifiot UG](https://appshunter.io/developer/6772480861) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-ring-size-meter/id1666860110)

Easily measure jewelry ring sizes using your phone's screen. Simply place your ring on the screen and adjust the slider to match its inner edge. The app provides accurate sizing in multiple international measurement systems.

**Highlights:** Measure ring size by diameter or circumference, Support for metric and imperial units, Multiple international sizing systems, Save measurement results, Integrated ruler for other measurements

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $1.99 | per 7 days |
| Weekly Access | $2.99 | per 7 days |
| Weekly Access with Trial | $2.99 | per 7 days |
| Yearly Access | $3.99 | per year |
| Yearly Access | $9.99 | per year |

**What reviewers like**

- 🚀 Accurate measurements
- 👍 Intuitive interface
- 🌍 Supports multiple measurement systems
- 💾 Convenient storage of measurements
- 🌍 Worldwide compatibility

**What reviewers complain about**

- 🐛 Inaccurate measurements
- 💰 Deceptive trial/pricing
- 🔢 Limited size range

**Reported bugs**

- Incorrect size conversions
- Inconsistent performance

**Requested features**

- Dark mode option
- Additional measurement methods


### Lifiot App

[App page](https://appshunter.io/ios/app/lifiot-app/id6772480859)

**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 Lifiot App free?

Lifiot App is free to download, with no in-app purchases.

### Do Ring Sizer or Lifiot App have ads?

Ring Sizer shows ads; Lifiot App does not.

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

Ring Sizer ships an update every 3 months, and Lifiot App every 8 days. Most recently, Ring Sizer was updated on October 23, 2026 and Lifiot App on October 24, 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.*