# HIN Authenticator vs PRISM Instrument

The clearest difference is in-app purchases: HIN Authenticator at none against PRISM Instrument's 1. HIN Authenticator also leads on update cadence (every 18 months vs every 51 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PRISM Instrument sells 1 in-app purchase, starting at $29.49 per year. HIN Authenticator asks for nothing beyond the download.

HIN Authenticator ships an update every 18 months, PRISM Instrument every 51 months. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | HIN Authenticator | PRISM Instrument |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 18 months** | Every 51 months |
| Size | 16 MB | 30 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Health Info Net AG](https://appshunter.io/developer/1091175891) | [Prismium GmbH](https://appshunter.io/developer/1416443576) |

## What reviewers say

### HIN Authenticator

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

**Features:** macOS Compatibility

**In-app purchases:** none


### PRISM Instrument

[App page](https://appshunter.io/ios/app/prism-instrument/id1552249113)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRISM Instrument App | $29.49 | per year |


## Frequently asked questions

### Is HIN Authenticator free?

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

### Is PRISM Instrument free?

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

### Do HIN Authenticator or PRISM Instrument have ads?

Neither HIN Authenticator nor PRISM Instrument shows ads.

### Which is updated more often, HIN Authenticator or PRISM Instrument?

HIN Authenticator ships an update every 18 months, and PRISM Instrument every 51 months. Most recently, HIN Authenticator was updated on October 2, 2026 and PRISM Instrument on September 30, 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.*