# Ring Sizer · TrueRing vs Water Boy

The clearest difference is in-app purchases: Water Boy at none against Ring Sizer · TrueRing's 2. Water Boy also leads on update cadence (every 5 days vs every 3 weeks). On price, ads, 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. Water Boy asks for nothing beyond the download.

Ring Sizer · TrueRing ships an update every 3 weeks, Water Boy every 5 days. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Ring Sizer · TrueRing | Water Boy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 29 MB | 44 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ozgur ULUKAN](https://appshunter.io/developer/1415538520) | [Norvi Net Technology Co., Ltd.](https://appshunter.io/developer/1700811855) |

## What reviewers say

### 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 |


### Water Boy

[App page](https://appshunter.io/ios/app/water-boy/id6736733162)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ring Sizer · TrueRing free?

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

### Is Water Boy free?

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

### Do Ring Sizer · TrueRing or Water Boy have ads?

Both Ring Sizer · TrueRing and Water Boy show ads.

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

Ring Sizer · TrueRing ships an update every 3 weeks, and Water Boy every 5 days. Most recently, Ring Sizer · TrueRing was updated on October 14, 2026 and Water Boy on October 9, 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.*