# Digital Identity Authenticator vs SedLog

The clearest difference is update cadence: SedLog at every 2 weeks against Digital Identity Authenticator's every 4 months. SedLog also leads on iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support 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, SedLog every 2 weeks. The most recent releases landed on October 13, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Digital Identity Authenticator | SedLog |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 11 MB | 26 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [OneAdvanced Limited](https://appshunter.io/developer/596412777) | [SedateUK Ltd](https://appshunter.io/developer/1661300914) |

## 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


### SedLog

[App page](https://appshunter.io/ios/app/sedlog-sedation-logbook/id1661300912)

**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 SedLog free?

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

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

Neither Digital Identity Authenticator nor SedLog shows ads.

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

Digital Identity Authenticator ships an update every 4 months, and SedLog every 2 weeks. Most recently, Digital Identity Authenticator was updated on October 13, 2026 and SedLog on October 21, 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.*