# FMP vs Ring Sizer

The clearest difference is in-app purchases: FMP at none against Ring Sizer's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ring Sizer sells 2 in-app purchases, starting at $4.99 per 7 days. FMP asks for nothing beyond the download.

FMP ships an update every 3 weeks, Ring Sizer fortnightly. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | FMP | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/fmp/id6560104312/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 72 MB | 38 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guillermo Amaya](https://appshunter.io/developer/998370809) | [Utku Gogen](https://appshunter.io/developer/1677858400) |

## What reviewers say

### FMP

[App page](https://appshunter.io/ios/app/fmp/id6560104312)

This application offers a new multi-platform distribution version with significant changes and new implementation methods for its modules. It aims to provide enhanced functionality across various devices.

**Highlights:** Multi-platform distribution, Significant module changes, New implementation methods, Cross-device functionality

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

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-ring-size/id6760242241)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Weekly | $4.99 | per 7 days |
| Ring Sizer Yearly | $14.99 | per year |


## Frequently asked questions

### Is FMP free?

FMP 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 FMP or Ring Sizer have ads?

Neither FMP nor Ring Sizer shows ads.

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

FMP ships an update every 3 weeks, and Ring Sizer fortnightly. Most recently, FMP was updated on October 6, 2026 and Ring Sizer on October 10, 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.*