# Authenticator vs Flex Companion

The clearest difference is in-app purchases: Flex Companion at none against Authenticator's 4. Flex Companion also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Authenticator's advantage is update cadence (every 2 months vs every 4 months). On price and ads there is nothing between them.

Both are free to download. Authenticator sells 4 in-app purchases, starting at $0.99 per 7 days. Flex Companion asks for nothing beyond the download.

Authenticator ships an update every 2 months, Flex Companion every 4 months. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Authenticator | Flex Companion |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 54 MB | 427 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Committed Code Ltd](https://appshunter.io/developer/1535330318) | [Medialogix LTD](https://appshunter.io/developer/1364572201) |

## What reviewers say

### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-authentic/id6459019787)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authentic+ | $0.99 | per 7 days |
| Authentic+ | $3.99 | per month |
| Authentic+ | $14.99 | per year |
| Authentic+ | $19.99 | one-time |


### Flex Companion

[App page](https://appshunter.io/ios/app/flex-companion/id6469349724)

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

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator free?

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

### Is Flex Companion free?

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

### Do Authenticator or Flex Companion have ads?

Neither Authenticator nor Flex Companion shows ads.

### Which is updated more often, Authenticator or Flex Companion?

Authenticator ships an update every 2 months, and Flex Companion every 4 months. Most recently, Authenticator was updated on October 4, 2026 and Flex Companion on October 12, 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.*