# IFOC vs Ring Sizer

The clearest difference is in-app purchases: IFOC at none against Ring Sizer's 1. IFOC also leads on update cadence (daily vs every 4 weeks) and iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Ring Sizer sells 1 one-off in-app purchase. IFOC asks for nothing beyond the download.

IFOC ships an update daily, Ring Sizer every 4 weeks. The most recent releases landed on September 27, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | IFOC | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 weeks |
| Size | 37 MB | 62 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [hossam omar](https://appshunter.io/developer/1758551711) | [Romiick LLC](https://appshunter.io/developer/1716146475) |

## What reviewers say

### IFOC

[App page](https://appshunter.io/ios/app/ifoc/id6736971506)

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

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-measure-app/id6778289987)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Pro | $9.99 | one-time |


## Frequently asked questions

### Is IFOC free?

IFOC 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 IFOC or Ring Sizer have ads?

Neither IFOC nor Ring Sizer shows ads.

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

IFOC ships an update daily, and Ring Sizer every 4 weeks. Most recently, IFOC was updated on September 27, 2026 and Ring Sizer on October 6, 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.*