# Unit Converter vs 2FAS Authenticator App

The clearest difference is in-app purchases: Unit Converter at none against 2FAS Authenticator App's 2. Unit Converter also leads on iOS requirement (15.0 vs 18.0). 2FAS Authenticator App's advantage is update cadence (fortnightly vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. 2FAS Authenticator App sells 2 in-app purchases, starting at $5.99 per 7 days. Unit Converter asks for nothing beyond the download.

Unit Converter ships an update every 9 months, 2FAS Authenticator App fortnightly. The most recent releases landed on October 20, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Unit Converter | 2FAS Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/2fas-authenticator-app/id6801243235/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 5 MB | 7 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [TRIOSDEV (SMC-PRIVATE) LIMITED](https://appshunter.io/developer/6812837299) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-barconvert/id1518931403)

Easily convert measurements across various categories including area, currency, length, and temperature. This utility app provides quick and accurate conversions using the latest data for currencies.

**Highlights:** Area conversion, Currency conversion with latest data, Length conversion, Temperature conversion, Time conversion, Volume conversion, Weight conversion

**Features:** Vision Pro support

**In-app purchases:** none


### 2FAS Authenticator App

[App page](https://appshunter.io/ios/app/2fas-authenticator-app/id6801243235)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $5.99 | per 7 days |
| Yearly Subscription | $39.99 | per year |


## Frequently asked questions

### Is Unit Converter free?

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

### Is 2FAS Authenticator App free?

2FAS Authenticator App is free to download, with in-app purchases available.

### Do Unit Converter or 2FAS Authenticator App have ads?

Neither Unit Converter nor 2FAS Authenticator App shows ads.

### Which is updated more often, Unit Converter or 2FAS Authenticator App?

Unit Converter ships an update every 9 months, and 2FAS Authenticator App fortnightly. Most recently, Unit Converter was updated on October 20, 2026 and 2FAS Authenticator App on October 31, 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.*