# Unit Converter vs RamSpin

The clearest difference is in-app purchases: RamSpin at none against Unit Converter's 4. RamSpin also leads on update cadence (every 3 days vs every 9 days). Unit Converter's advantage is ratings volume (18 vs 1) and device support (5 vs 3). On rating and ads there is nothing between them.

On the App Store both sit at effectively the same score — 4.9 for Unit Converter against 5.0 for RamSpin. That said, the two scores are not equally well evidenced: Unit Converter has 18 ratings behind it against 1, so its average is the more settled of the two.

Unit Converter ships an update every 9 days, RamSpin every 3 days. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Unit Converter | RamSpin |
| --- | --- | --- |
| Price | **Free** | — |
| Rating | [4.9 (18 ratings)](https://appshunter.io/ios/app/unit-converter-uneat/id1668309493/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ramspin/id6758879106/reviews)** |
| Number of ratings | **18** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | **Freemium** | Paid |
| Size | 15 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac, Vision Pro** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [ZIJIAN CHEN](https://appshunter.io/developer/1668309495) | [Joowon Lee](https://appshunter.io/developer/1872884823) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-uneat/id1668309493)

This utility app offers conversion for over 100 units across 18 categories, including length, mass, temperature, and digital storage. It supports a wide range of specific units within each category and provides a clean, ad-free interface for quick conversions.

**Highlights:** 18 unit categories, Over 100 units supported, Ad-free experience, Supports multiple devices, Pro version with free trial

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version (1 Month) | $0.99 | per month |
| 1 cup of orange juice. | $0.99 | one-time |
| 1 litre of orange juice. | $2.99 | one-time |
| Pro Version (Lifetime) | $3.99 | one-time |


### RamSpin

[App page](https://appshunter.io/ios/app/ramspin/id6758879106)

This app offers a suite of premium decision-making tools for Apple Watch, including number roulette, custom spinners, and dice rollers. Enjoy realistic physics and sound effects for an immersive experience, all without any advertisements.

**Highlights:** Number roulette with realistic physics, Customizable spinners for personalized choices, 360-degree random direction selector, Dual dice roller with 3D animation, Coin flip for quick decisions, Traditional Yut Nori game simulation, Random number generator for lotteries

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter free?

Unit Converter is free to download, with in-app purchases available.

### Is RamSpin free?

Pricing for RamSpin is not currently listed on the App Store.

### Which has better reviews, Unit Converter or RamSpin?

RamSpin is rated higher. Unit Converter averages 4.9 out of 5 from 18 ratings, while RamSpin averages 5.0 from 1 ratings.

### Do Unit Converter or RamSpin have ads?

Neither Unit Converter nor RamSpin shows ads.

### Which is updated more often, Unit Converter or RamSpin?

Unit Converter ships an update every 9 days, and RamSpin every 3 days. Most recently, Unit Converter was updated on October 21, 2026 and RamSpin on October 11, 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.*