# Isosec Authenticator vs Alertive

The clearest difference is review sentiment: Isosec Authenticator at 100% against Alertive's 20%. Isosec Authenticator also leads on monetization model (free vs ad-supported). Alertive's advantage is update cadence (monthly vs every 4 months). 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.

Isosec Authenticator ships an update every 4 months, Alertive monthly. The most recent releases landed on September 16, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Isosec Authenticator | Alertive |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | **Free** | Ad-supported |
| Size | 9 MB | 62 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Isosec Ltd](https://appshunter.io/developer/932317463) | [Alertive Limited](https://appshunter.io/developer/945352366) |

## What reviewers say

### Isosec Authenticator

[App page](https://appshunter.io/ios/app/isosec-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


### Alertive

[App page](https://appshunter.io/ios/app/alertive/id1526280881)

This app streamlines urgent communication for healthcare professionals, enabling faster patient care and reducing administrative tasks. It facilitates secure information sharing, team assembly, and real-time collaboration across devices.

**Highlights:** Optimized care team assembly, Advanced emergency alerting, Integration with clinical systems, Real-time collaboration, Secure data handling, Role-based access, Multi-modal communication

**Features:** Siri integration, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Isosec Authenticator free?

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

### Is Alertive free?

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

### Do Isosec Authenticator or Alertive have ads?

Neither Isosec Authenticator nor Alertive shows ads.

### Which is updated more often, Isosec Authenticator or Alertive?

Isosec Authenticator ships an update every 4 months, and Alertive monthly. Most recently, Isosec Authenticator was updated on September 16, 2026 and Alertive on September 15, 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.*