# HIN Authenticator vs FLEX

The clearest difference is iOS requirement: HIN Authenticator at 13.0 against FLEX's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HIN Authenticator ships an update every 18 months, FLEX every 16 months. The most recent releases landed on October 2, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | HIN Authenticator | FLEX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 16 months** |
| Size | 16 MB | 16 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Health Info Net AG](https://appshunter.io/developer/1091175891) | [Verasoft GmbH](https://appshunter.io/developer/1281534424) |

## What reviewers say

### HIN Authenticator

[App page](https://appshunter.io/ios/app/hin-authenticator/id1535944002)

**Features:** macOS Compatibility

**In-app purchases:** none


### FLEX

[App page](https://appshunter.io/ios/app/flexapp/id6745176423)

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

**In-app purchases:** none


## Frequently asked questions

### Is HIN Authenticator free?

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

### Is FLEX free?

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

### Do HIN Authenticator or FLEX have ads?

Neither HIN Authenticator nor FLEX shows ads.

### Which is updated more often, HIN Authenticator or FLEX?

HIN Authenticator ships an update every 18 months, and FLEX every 16 months. Most recently, HIN Authenticator was updated on October 2, 2026 and FLEX on September 27, 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.*