# ConvertMaster vs Unitap

The clearest difference is in-app purchases: Unitap at none against ConvertMaster's 3. ConvertMaster's advantage is iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. ConvertMaster sells 3 in-app purchases, starting at $0.99 per month. Unitap asks for nothing beyond the download.

## The numbers

| Metric | ConvertMaster | Unitap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/convertmaster-unit-and-currency/id6763497165/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 8 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [共营 朱](https://appshunter.io/developer/1679892335) | [Daisuke Minami](https://appshunter.io/developer/1762826742) |

## What reviewers say

### ConvertMaster

[App page](https://appshunter.io/ios/app/convertmaster-unit-and-currency/id6763497165)

This tool offers real-time currency exchange rates and a comprehensive unit converter for various measurements. It provides instant results, works offline, and saves recent conversions for quick access. Advanced features are available through a subscription.

**Highlights:** Real-time currency exchange rates, Extensive unit conversion options, Offline functionality, Instant results as you type, Save favorite conversions, Dark mode support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $6.99 | per year |
| Pro Lifetime | $14.99 | one-time |


### Unitap

[App page](https://appshunter.io/ios/app/unitap-unit-converter/id6794749396)

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

**In-app purchases:** none


## Frequently asked questions

### Is ConvertMaster free?

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

### Is Unitap free?

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

### Do ConvertMaster or Unitap have ads?

Both ConvertMaster and Unitap show 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.*