# UNITS MASTER vs Block Calculators

The clearest difference is price: Block Calculators at $2.99 against UNITS MASTER's $6.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

UNITS MASTER costs $6.99 and Block Calculators $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UNITS MASTER ships an update every 4 months, Block Calculators every 2 months. The most recent releases landed on September 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | UNITS MASTER | Block Calculators |
| --- | --- | --- |
| Price | $6.99 | **$2.99** |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/units-master/id1428926317/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 13 MB | 28 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intemodino Group s.r.o.](https://appshunter.io/developer/557849644) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## What reviewers say

### UNITS MASTER

[App page](https://appshunter.io/ios/app/units-master/id1428926317)

This app is a comprehensive unit conversion calculator for length, distance, and area. It supports a vast array of US and metric units, offering both fractional and decimal calculations with customizable rounding. Users can also perform complex mathematical operations and access a calculation history.

**Highlights:** Extensive US and metric unit support, Fractional and decimal calculations, Customizable rounding precision, Complex calculation capabilities, Calculation history and sharing, Multiple output formats

**Features:** Vision Pro support

**In-app purchases:** none


### Block Calculators

[App page](https://appshunter.io/ios/app/block-calculators/id6473098836)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UNITS MASTER free?

UNITS MASTER costs $6.99, with no in-app purchases.

### Is Block Calculators free?

Block Calculators costs $2.99, with no in-app purchases.

### Do UNITS MASTER or Block Calculators have ads?

Neither UNITS MASTER nor Block Calculators shows ads.

### Which is updated more often, UNITS MASTER or Block Calculators?

UNITS MASTER ships an update every 4 months, and Block Calculators every 2 months. Most recently, UNITS MASTER was updated on September 10, 2026 and Block Calculators on September 26, 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.*