# Unit Converter vs FAAC

The clearest difference is review sentiment: Unit Converter at 57% against FAAC's 0%. Unit Converter also leads on update cadence (weekly vs monthly). FAAC's advantage is in-app purchases (none vs 12) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Unit Converter sells 12 in-app purchases, starting at $2.49 per month. FAAC asks for nothing beyond the download.

Unit Converter ships an update weekly, FAAC monthly. The most recent releases landed on September 24, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Unit Converter | FAAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14K ratings)](https://appshunter.io/ios/app/unit-converter-convert-all/id417794697/reviews)** | — |
| Number of ratings | **14K** | — |
| Positive reviews | **56.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 69 MB | 71 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [oWorld Software](https://appshunter.io/developer/291192797) | [Netrising](https://appshunter.io/developer/684273401) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-convert-all/id417794697)

Easily convert between various units of measurement, including currencies, temperature, length, and weight. This intuitive tool provides real-time currency exchange rates and a comprehensive list of conversions for everyday use.

**Highlights:** Real-time currency conversions, Extensive unit categories (weight, temp, length, volume, etc.), Simple and intuitive interface, Supports international currencies, Includes time, speed, and IT units, Unlockable premium units

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 month | $2.49 | per month |
| Unit Converter Premium - 1y | $8.99 | per year |
| Get premium | $14.99 | per year |
| Premium 1 year | $14.99 | per year |
| Conversion Calculator Pro - 1y | $19.99 | per year |
| Conversion clothing sizes 1y | $0.99 | one-time |
| Conversion liquids/volumes 1y | $0.99 | one-time |
| Remove Ads 1y | $0.99 | one-time |
| Conversion angles, forces 1y | $1.99 | one-time |
| Conversion of shoe sizes 1y | $1.99 | one-time |
| Currency Converter 1y | $1.99 | one-time |
| Convert all units + No ads | $29.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 🚀 Comprehensive unit conversions
- 👍 Helpful app
- 👍 Practical for engineering and mechanics
- 👍 Intuitive interface

**What reviewers complain about**

- 🔍 Too many ads
- 🔍 Ads make the app unusable
- 🔍 Ads are invasive and disrupt user experience
- 💰 Expensive subscription for ad-free version
- 🐛 Crashes and stability issues

**Reported bugs**

- Conversion calculations are sometimes inaccurate
- Inability to enter decimal values in some conversions
- Compatibility issues with newer devices

**Requested features**

- Dark mode option
- Favorites/frequently used units
- Improved ad-supported free version
- More customization options


### FAAC

[App page](https://appshunter.io/ios/app/faac/id1301438818)

This app provides technicians and specialists with access to installation manuals, product catalogs, and restricted documentation. Users can also find authorized service centers and distributors, and submit support tickets after registration.

**Highlights:** Installation manual consultation, Product catalog access, Restricted documentation, Service center and distributor locator, Support ticket submission

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter free?

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

### Is FAAC free?

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

### Do Unit Converter or FAAC have ads?

Unit Converter shows ads; FAAC does not.

### Which is updated more often, Unit Converter or FAAC?

Unit Converter ships an update weekly, and FAAC monthly. Most recently, Unit Converter was updated on September 24, 2026 and FAAC on June 3, 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.*