# iBaby Viewer vs Ring Sizer & Measure

The clearest difference is in-app purchases: iBaby Viewer at none against Ring Sizer & Measure's 6. iBaby Viewer also leads on iOS requirement (11.0 vs 18.5). Ring Sizer & Measure's advantage is update cadence (every 4 days vs every 11 days). On price, ads and device support there is nothing between them.

Both are free to download. Ring Sizer & Measure sells 6 in-app purchases, starting at $1.99 per 7 days. iBaby Viewer asks for nothing beyond the download.

iBaby Viewer ships an update every 11 days, Ring Sizer & Measure every 4 days. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | iBaby Viewer | Ring Sizer & Measure |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 25 MB |
| Requires iOS | **11.0** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TRANWO TECHNOLOGY CORP.](https://appshunter.io/developer/595251459) | [Michael Gilroy](https://appshunter.io/developer/1064238651) |

## What reviewers say

### iBaby Viewer

[App page](https://appshunter.io/ios/app/ibaby-viewer/id1537354960)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer & Measure

[App page](https://appshunter.io/ios/app/ring-sizer-and-measure-ringtry/id6748094304)

Accurately measure your ring size using your iPhone. This tool provides precise diameter and size measurements, supports multiple international sizing systems, and allows you to save your measurements.

**Highlights:** Measure ring size with precision, Switch between inches and millimeters, Utilize visual sizing guides, Support for multiple international sizing systems, Save ring and finger size measurements, Capture finger width with slider controls

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RingSizer Pro | $1.99 | per 7 days |
| RingSizer Pro | $2.99 | per 7 days |
| RingSizer Pro | $4.99 | per 7 days |
| RingSizer Pro | $4.99 | per 7 days |
| RingSizer Pro | $9.99 | per year |
| RingSizer Pro | $19.99 | per year |


## Frequently asked questions

### Is iBaby Viewer free?

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

### Is Ring Sizer & Measure free?

Ring Sizer & Measure is free to download, with in-app purchases available.

### Do iBaby Viewer or Ring Sizer & Measure have ads?

Neither iBaby Viewer nor Ring Sizer & Measure shows ads.

### Which is updated more often, iBaby Viewer or Ring Sizer & Measure?

iBaby Viewer ships an update every 11 days, and Ring Sizer & Measure every 4 days. Most recently, iBaby Viewer was updated on October 4, 2026 and Ring Sizer & Measure on October 16, 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.*