# Alicat Connect vs Unit Converter Engineering Pro

The clearest difference is rating: Unit Converter Engineering Pro at 5.0 against Alicat Connect's 1.0. Unit Converter Engineering Pro also leads on update cadence (weekly vs monthly) and iOS requirement (13.0 vs 15.0). Alicat Connect's advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Unit Converter Engineering Pro sells 2 in-app purchases, starting at $5.99 per 7 days. Alicat Connect asks for nothing beyond the download.

Unit Converter Engineering Pro holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

Alicat Connect ships an update monthly, Unit Converter Engineering Pro weekly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Alicat Connect | Unit Converter Engineering Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (5 ratings)](https://appshunter.io/ios/app/alicat-connect/id1375267473/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/unit-converter-engineering-pro/id6757166485/reviews)** |
| Number of ratings | **5** | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 110 MB | 77 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alicat Scientific Inc.](https://appshunter.io/developer/1375267472) | [Kaiguri Tech](https://appshunter.io/developer/1864995084) |

## What reviewers say

### Alicat Connect

[App page](https://appshunter.io/ios/app/alicat-connect/id1375267473)

Control and monitor Alicat devices wirelessly through Bluetooth. Visualize real-time measurements and record or replay device data directly from your iPhone or iPad.

**Highlights:** Bluetooth device control, Real-time measurement visualization, Data recording and playback, iPhone and iPad compatibility

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

**In-app purchases:** none


### 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 Alicat Connect free?

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

### Is Unit Converter Engineering Pro free?

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

### Which has better reviews, Alicat Connect or Unit Converter Engineering Pro?

Unit Converter Engineering Pro is rated higher. Alicat Connect averages 1.0 out of 5 from 5 ratings, while Unit Converter Engineering Pro averages 5.0 from 3 ratings.

### Do Alicat Connect or Unit Converter Engineering Pro have ads?

Neither Alicat Connect nor Unit Converter Engineering Pro shows ads.

### Which is updated more often, Alicat Connect or Unit Converter Engineering Pro?

Alicat Connect ships an update monthly, and Unit Converter Engineering Pro weekly. Most recently, Alicat Connect was updated on October 29, 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.*