# Material Estimator Calculator vs Conversion Calculator Units

Material Estimator Calculator and Conversion Calculator Units both sit at 4.8 stars, but that hides the real split: 82% of Conversion Calculator Units's written reviews are positive against 41% of Material Estimator Calculator's. Material Estimator Calculator's advantage is ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Material Estimator Calculator sells 3 in-app purchases, starting at $3.99 per month and Conversion Calculator Units sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Material Estimator Calculator against 4.7 for Conversion Calculator Units. Both are backed by a comparable volume of ratings — 3.1K and 5K respectively. Written reviews are what separate them: 41% of Material Estimator Calculator's written reviews are positive against 82% of Conversion Calculator Units's.

Material Estimator Calculator ships an update every 6 weeks, Conversion Calculator Units every 2 months. Both last shipped on October 17, 2026.

## The numbers

| Metric | Material Estimator Calculator | Conversion Calculator Units |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.1K ratings)](https://appshunter.io/ios/app/material-estimator-calculator/id376071081/reviews)** | [4.7 (5K ratings)](https://appshunter.io/ios/app/conversion-calculator-units/id727632233/reviews) |
| Number of ratings | 3.1K | **5K** |
| Positive reviews | 41.4% of reviews | **82.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 57 MB | 41 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [RV AppStudios LLC](https://appshunter.io/developer/340181308) |

## What reviewers say

### Material Estimator Calculator

[App page](https://appshunter.io/ios/app/material-estimator-calculator/id376071081)

This app helps contractors and DIYers accurately estimate material costs and quantities for construction projects. It features dimensional measurement tools, unit conversions, and a material database to optimize budgeting and ordering.

**Highlights:** Precise cost and percentage calculations, Integrated material size database, Advanced dimensional measurement tools, Comprehensive unit conversion, Efficient material requirement determination, Board feet and cost estimation, Digital record keeping

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Access | $3.99 | per month |
| 3 Months Full Access | $7.99 | per 3 months |
| 1 Year Full Access | $29.99 | per year |

**What reviewers like**

- 👍 Simple and easy to use
- 👍 Clean and intuitive interface
- 🚀 Extremely helpful for daily use
- 👍 Works as expected for over 12 years

**What reviewers complain about**

- 💰 Subscription model instead of one-time purchase
- 💰 Expensive compared to physical calculator
- 🔒 Requires internet connection to function
- 🐛 Crashes and bugs after recent updates

**Reported bugs**

- App crashes repeatedly on launch
- Subscription screen keeps appearing even after purchase

**Requested features**

- Landscape mode support
- Metric unit support
- Offline functionality


### Conversion Calculator Units

[App page](https://appshunter.io/ios/app/conversion-calculator-units/id727632233)

This app offers a simple and powerful way to convert between over 140 units across 12 categories. Easily switch between units, customize your experience with themes, and share your results.

**Highlights:** Converts over 140 units, Supports 12 conversion categories, Customizable themes, Drag and set unit positions, Add units to favorites, Share converted units via email

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 👍 User-friendly
- 🚀 Easy to use
- 💡 Helpful for learning metric system
- 👍 Great for conversions
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Ads disrupt usage
- 🐛 Difficult to change units
- 🐛 Lacks portrait mode
- 🐛 Upside-down orientation issues
- 🐛 Cluttered UI design

**Reported bugs**

- Ads not removed after purchase
- Incorrect unit conversions

**Requested features**

- Add pressure conversion units
- Include a basic calculator function
- Implement multi-language support
- Allow customization of unit order


## Frequently asked questions

### Is Material Estimator Calculator free?

Material Estimator Calculator is free to download, with in-app purchases available.

### Is Conversion Calculator Units free?

Conversion Calculator Units is free to download, with in-app purchases available.

### Which has better reviews, Material Estimator Calculator or Conversion Calculator Units?

Material Estimator Calculator is rated higher. Material Estimator Calculator averages 4.8 out of 5 from 3.1K ratings, while Conversion Calculator Units averages 4.7 from 5K ratings.

### Do Material Estimator Calculator or Conversion Calculator Units have ads?

Conversion Calculator Units shows ads; Material Estimator Calculator does not.

### Which is updated more often, Material Estimator Calculator or Conversion Calculator Units?

Material Estimator Calculator ships an update every 6 weeks, and Conversion Calculator Units every 2 months. Most recently, Material Estimator Calculator was updated on October 17, 2026 and Conversion Calculator Units on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*