# Unit Converter vs Sinonimos

The clearest difference is in-app purchases: Sinonimos at none against Unit Converter's 1. Sinonimos also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Unit Converter's advantage is update cadence (every 9 days vs every 6 weeks). On price and device support there is nothing between them.

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

Unit Converter ships an update every 9 days, Sinonimos every 6 weeks. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Unit Converter | Sinonimos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/unit-converter-auc/id1565736843/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 89 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andre Leite Barbosa Costa](https://appshunter.io/developer/984337133) | [Ivo Fernandes](https://appshunter.io/developer/1251123569) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-auc/id1565736843)

This tool simplifies everyday conversions with over 20 categories, including length, mass, speed, and currency. It offers an intuitive interface, accurate results, and works offline, making it ideal for students, travelers, and hobbyists.

**Highlights:** 20+ conversion categories, Real-time currency exchange rates, Intuitive user interface, Offline conversion capability, Accurate and fast results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads & Unlock All Themes | $4.99 | one-time |


### Sinonimos

[App page](https://appshunter.io/ios/app/sinonimos/id6447954377)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter free?

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

### Is Sinonimos free?

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

### Do Unit Converter or Sinonimos have ads?

Unit Converter shows ads; Sinonimos does not.

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

Unit Converter ships an update every 9 days, and Sinonimos every 6 weeks. Most recently, Unit Converter was updated on November 11, 2026 and Sinonimos on November 7, 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.*