# Mila's Temperature Converter vs Unit Converter Engineering Pro

The clearest difference is rating: Unit Converter Engineering Pro at 5.0 against Mila's Temperature Converter's 4.3. Unit Converter Engineering Pro also leads on ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Mila's Temperature Converter sells 3 in-app purchases, starting at $0.99 per month and Unit Converter Engineering Pro sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Unit Converter Engineering Pro holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 8 and 3 respectively.

Mila's Temperature Converter ships an update every 3 weeks, Unit Converter Engineering Pro weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Mila's Temperature Converter | Unit Converter Engineering Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (8 ratings)](https://appshunter.io/ios/app/milas-temperature-converter/id624929377/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/unit-converter-engineering-pro/id6757166485/reviews)** |
| Number of ratings | **8** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 11 MB | 77 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Scott DeSapio](https://appshunter.io/developer/403110618) | [Kaiguri Tech](https://appshunter.io/developer/1864995084) |

## What reviewers say

### Mila's Temperature Converter

[App page](https://appshunter.io/ios/app/milas-temperature-converter/id624929377)

Effortlessly convert between five major temperature scales, including Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur. Customize your view, save favorite scales, and enjoy precise formatting for everyday use or scientific calculations.

**Highlights:** Converts 5 major temperature scales, Save and reorder favorite scales, Automatic or manual decimal precision, Dark mode and custom themes, Comfortable or compact view styles, Quick-copy values with a swipe

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mila's Temperature PRO Monthly | $0.99 | per month |
| Mila's Temperature PRO Yearly | $2.99 | per year |
| Mila's Temperature PRO Lifetime | $4.99 | one-time |


### Unit Converter Engineering Pro

[App page](https://appshunter.io/ios/app/unit-converter-engineering-pro/id6757166485)

This app provides precise unit conversions for engineers, scientists, and students. It supports over 100 units across 35 categories, including scientific notation and 9-digit decimal precision. The tool works offline and adheres to SI, NIST, and ISO standards.

**Highlights:** Over 100 units in 35+ categories, Scientific notation support, 9-digit decimal precision, SI, NIST, ISO compliant, Offline functionality, Specialized units included

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Day Trial | $5.99 | per 7 days |
| Yearly Plan | $19.99 | per year |


## Frequently asked questions

### Is Mila's Temperature Converter free?

Mila's Temperature Converter is free to download, with in-app purchases available.

### Is Unit Converter Engineering Pro free?

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

### Which has better reviews, Mila's Temperature Converter or Unit Converter Engineering Pro?

Unit Converter Engineering Pro is rated higher. Mila's Temperature Converter averages 4.3 out of 5 from 8 ratings, while Unit Converter Engineering Pro averages 5.0 from 3 ratings.

### Do Mila's Temperature Converter or Unit Converter Engineering Pro have ads?

Mila's Temperature Converter shows ads; Unit Converter Engineering Pro does not.

### Which is updated more often, Mila's Temperature Converter or Unit Converter Engineering Pro?

Mila's Temperature Converter ships an update every 3 weeks, and Unit Converter Engineering Pro weekly. Most recently, Mila's Temperature Converter was updated on October 24, 2026 and Unit Converter Engineering Pro on October 24, 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.*