# Unit Converter vs Sloto

The clearest difference is in-app purchases: Sloto at none against Unit Converter's 1. Unit Converter's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Unit Converter sells 1 one-off in-app purchase. Sloto asks for nothing beyond the download.

Unit Converter ships an update every 2 weeks, Sloto every 6 months. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Unit Converter | Sloto |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Size | 29 MB | 58 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [伟鹏 李](https://appshunter.io/developer/1817642925) | [Yosuke Sannohe](https://appshunter.io/developer/1569012675) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-easyunit/id6754090225)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium Membership | $0.99 | one-time |


### Sloto

[App page](https://appshunter.io/ios/app/sloto/id6760098401)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter free?

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

### Is Sloto free?

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

### Do Unit Converter or Sloto have ads?

Sloto shows ads; Unit Converter does not.

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

Unit Converter ships an update every 2 weeks, and Sloto every 6 months. Most recently, Unit Converter was updated on October 11, 2026 and Sloto on October 10, 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.*