# Measure Master Pro Calculator vs Flowbox

The clearest difference is iOS requirement: Flowbox at 13.0 against Measure Master Pro Calculator's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Measure Master Pro Calculator sells 2 in-app purchases, starting at $1.99 per month and Flowbox sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Measure Master Pro Calculator | Flowbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4.4K ratings)](https://appshunter.io/ios/app/measure-master-pro-calculator/id390273304/reviews)** | — |
| Number of ratings | **4.4K** | — |
| Positive reviews | 80.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 25 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [GABRIELE CHESI](https://appshunter.io/developer/6793043905) |

## What reviewers say

### Measure Master Pro Calculator

[App page](https://appshunter.io/ios/app/measure-master-pro-calculator/id390273304)

This app provides comprehensive U.S. and metric unit conversions and advanced calculations for design and building projects. It offers solutions for geometry, weight, and dimensional analysis, with a user-friendly interface and built-in help.

**Highlights:** Multi-dimensional unit conversion (U.S. & metric), Advanced weight calculations, Geometry solutions (circle area, circumference), Comprehensive dimensional analysis (linear, area, volume), Cost per Unit function, Paperless tape for past calculations, Board Feet calculation

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Access | $1.99 | per month |
| 1 Year Full Access | $19.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient and always available
- 💯 Accurate and reliable
- 🔧 Essential tool for construction professionals
- ⚡ Fast and responsive

**What reviewers complain about**

- 🔒 Subscription model instead of one-time purchase
- 🔍 Missing some key features like stair and diagonal calculations
- 📱 UI could be improved, especially on iPad
- 🐛 Occasional bugs and crashes reported

**Reported bugs**

- Unable to download on iPhone after previous iPad purchase
- Free trial screen gets stuck, preventing full app usage

**Requested features**

- Bring back the S.F. button
- Add landscape mode support for iPad
- Improve handling of large numbers
- Integrate more advanced construction-specific functions


### Flowbox

[App page](https://appshunter.io/ios/app/flowbox-plumber-toolkit/id6801521180)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flowbox Pro Unlock | $8.99 | one-time |


## Frequently asked questions

### Is Measure Master Pro Calculator free?

Measure Master Pro Calculator is free to download, with in-app purchases available.

### Is Flowbox free?

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

### Do Measure Master Pro Calculator or Flowbox have ads?

Neither Measure Master Pro Calculator nor Flowbox shows 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.*