# Orion2 vs Ring Sizer · TrueRing

The clearest difference is in-app purchases: Orion2 at none against Ring Sizer · TrueRing's 2. Orion2 also leads on ads (none vs shown) and update cadence (every 8 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Ring Sizer · TrueRing sells 2 in-app purchases, starting at $3.99 per 7 days. Orion2 asks for nothing beyond the download.

Orion2 ships an update every 8 days, Ring Sizer · TrueRing every 3 weeks. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Orion2 | Ring Sizer · TrueRing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Size | 42 MB | 29 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [George Thomas](https://appshunter.io/developer/1726933298) | [Ozgur ULUKAN](https://appshunter.io/developer/1415538520) |

## What reviewers say

### Orion2

[App page](https://appshunter.io/ios/app/orion2/id6476509477)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer · TrueRing

[App page](https://appshunter.io/ios/app/ring-sizer-truering/id6504435647)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $3.99 | per 7 days |
| Yearly Pro | $44.99 | per year |


## Frequently asked questions

### Is Orion2 free?

Orion2 is free to download, with no in-app purchases.

### Is Ring Sizer · TrueRing free?

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

### Do Orion2 or Ring Sizer · TrueRing have ads?

Ring Sizer · TrueRing shows ads; Orion2 does not.

### Which is updated more often, Orion2 or Ring Sizer · TrueRing?

Orion2 ships an update every 8 days, and Ring Sizer · TrueRing every 3 weeks. Most recently, Orion2 was updated on September 8, 2026 and Ring Sizer · TrueRing on September 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.*