# RingDot vs U.C.M

The clearest difference is in-app purchases: RingDot at none against U.C.M's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. U.C.M sells 2 in-app purchases, starting at $5.49 per month. RingDot asks for nothing beyond the download.

## The numbers

| Metric | RingDot | U.C.M |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (18 ratings)](https://appshunter.io/ios/app/ringdot-ring-sizer/id6762065033/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | Free | — |
| Size | 21 MB | 129 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [David Thompson](https://appshunter.io/developer/1892726040) | [Sagi Arzony](https://appshunter.io/developer/6801531877) |

## What reviewers say

### RingDot

[App page](https://appshunter.io/ios/app/ringdot-ring-sizer/id6762065033)

Measure your ring size accurately by placing a ring on your screen and adjusting a dot to match its inner diameter. Get your size in seconds without needing a physical sizer.

**Highlights:** Place ring on screen, Adjust dot to fit, Find size in seconds, Accurate measurement

**Features:** macOS Compatibility

**In-app purchases:** none


### U.C.M

[App page](https://appshunter.io/ios/app/ucm-universal-cards-market/id6801531875)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| U.C.M Ultra Monthly | $5.49 | per month |
| U.C.M Ultra Annual | $49.99 | per year |


## Frequently asked questions

### Is RingDot free?

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

### Is U.C.M free?

U.C.M is free to download, with in-app purchases available.

### Do RingDot or U.C.M have ads?

Neither RingDot nor U.C.M shows ads.

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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.*