# AMT Launch vs Ring Sizer

The clearest difference is in-app purchases: AMT Launch at none against Ring Sizer's 4. AMT Launch also leads on iOS requirement (11.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Ring Sizer sells 4 in-app purchases, starting at $4.99 per 7 days. AMT Launch asks for nothing beyond the download.

## The numbers

| Metric | AMT Launch | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (50 ratings)](https://appshunter.io/ios/app/ring-sizer-ar-ruler-and-table/id6473256428/reviews)** |
| Number of ratings | — | **50** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 4 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Air Medical Technologies](https://appshunter.io/developer/1563027396) | [Ivan Frolov](https://appshunter.io/developer/1616814701) |

## What reviewers say

### AMT Launch

[App page](https://appshunter.io/ios/app/amt-launch/id1611646822)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-ar-ruler-and-table/id6473256428)

Accurately determine your ring size using your phone's camera and screen. Offers four easy methods, including AR measurement and on-screen guides. Includes a comprehensive size chart for multiple regional standards.

**Highlights:** AR camera measurement, Ring-on-screen diameter measurement, Finger-on-screen slider adjustment, In-app ruler for direct measurement, Multi-regional size chart (USA, AU/GB, EU/ISO, JP/CH), User-friendly interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Weekly Trial Promo | $4.99 | per 7 days |
| Ring Sizer Pro Weekly | $4.99 | per 7 days |
| Ring Sizer Year Trial Promo | $39.99 | per year |
| Ring Sizer Pro Year | $39.99 | per year |


## Frequently asked questions

### Is AMT Launch free?

AMT Launch is free to download, with no in-app purchases.

### Is Ring Sizer free?

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

### Do AMT Launch or Ring Sizer have ads?

Neither AMT Launch nor Ring Sizer shows ads.

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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.*