# Connect SmartVolt vs RingDot

The clearest difference is iOS requirement: Connect SmartVolt at 13.0 against RingDot's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Connect SmartVolt | RingDot |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | — | Free |
| Size | 27 MB | 21 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Connect IoT, LLC](https://appshunter.io/developer/1728363384) | [David Thompson](https://appshunter.io/developer/1892726040) |

## What reviewers say

### Connect SmartVolt

[App page](https://appshunter.io/ios/app/connect-smartvolt/id6477151411)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Connect SmartVolt free?

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

### Is RingDot free?

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

### Do Connect SmartVolt or RingDot have ads?

Neither Connect SmartVolt nor RingDot 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.*