# Digital Identity Authenticator vs iArrest

The clearest difference is update cadence: Digital Identity Authenticator at every 4 months against iArrest's every 13 months. iArrest's advantage is iOS requirement (12.0 vs 17.0). On price, review sentiment, 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.

Digital Identity Authenticator ships an update every 4 months, iArrest every 13 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Digital Identity Authenticator | iArrest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/iarrest/id1280974002/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **100.0% of reviews** | 94.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 11 MB | 31 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [OneAdvanced Limited](https://appshunter.io/developer/596412777) | [Maximilian Neun](https://appshunter.io/developer/1280974001) |

## What reviewers say

### Digital Identity Authenticator

[App page](https://appshunter.io/ios/app/digital-identity-authenticator/id1229109210)

This app provides secure and convenient access to NHS clinical systems using a cloud-based virtual smartcard. It offers faster authentication, simplified logins, and two-factor security for e-prescribing and other critical healthcare applications.

**Highlights:** NHS Spine and Windows AD authentication, Faster, simpler, and safer access, Two-factor authentication via QR code or push, Digital signature for e-prescribing, Cloud-based and device-agnostic, Easy self-service portal

**Features:** macOS Compatibility

**In-app purchases:** none


### iArrest

[App page](https://appshunter.io/ios/app/iarrest/id1280974002)

This app assists healthcare professionals during cardiac arrest calls by providing structured guidance based on the latest resuscitation guidelines. It includes timers for critical interventions and generates detailed event logs for documentation. Designed for paramedics and hospital clinicians, it acts as a reminder for essential tasks in high-pressure situations.

**Highlights:** Structured cardiac arrest guidance, Adult resuscitation scenarios, Based on UK Resuscitation Council Guidelines 2021, Timers for rhythm analysis and adrenaline, Audible and visual intervention reminders, Continuous use prevention of sleep mode, Detailed event logging

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

**In-app purchases:** none


## Frequently asked questions

### Is Digital Identity Authenticator free?

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

### Is iArrest free?

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

### Do Digital Identity Authenticator or iArrest have ads?

Neither Digital Identity Authenticator nor iArrest shows ads.

### Which is updated more often, Digital Identity Authenticator or iArrest?

Digital Identity Authenticator ships an update every 4 months, and iArrest every 13 months. Most recently, Digital Identity Authenticator was updated on October 13, 2026 and iArrest on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*