# Blue Filter vs Ring Sizer

The clearest difference is in-app purchases: Blue Filter at none against Ring Sizer's 2. Blue Filter also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Ring Sizer sells 2 in-app purchases, starting at $1.99 per 7 days. Blue Filter asks for nothing beyond the download.

## The numbers

| Metric | Blue Filter | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 months |
| Size | 59 MB | 10 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Accessline Company For Technological Investment & General Trade](https://appshunter.io/developer/1579153284) | [Grima Hdez](https://appshunter.io/developer/1741481582) |

## What reviewers say

### Blue Filter

[App page](https://appshunter.io/ios/app/blue-filter/id1617701866)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-iring/id6746928106)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Weekly premium | $1.99 | per 7 days |
| Ring Sizer Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Blue Filter free?

Blue Filter 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 Blue Filter or Ring Sizer have ads?

Ring Sizer shows ads; Blue Filter does not.

---

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