# TrustFactor Authenticator vs Formulus

The clearest difference is update cadence: Formulus at every 2 days against TrustFactor Authenticator's monthly. TrustFactor Authenticator's advantage is iOS requirement (11.0 vs 15.1). 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.

TrustFactor Authenticator ships an update monthly, Formulus every 2 days. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | TrustFactor Authenticator | Formulus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trustfactor-authenticator/id1525877833/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free | — |
| Size | 28 MB | 36 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SecuritySide, CyberSecurity Services S.A.](https://appshunter.io/developer/1525877835) | [Chrsitian Stærk](https://appshunter.io/developer/1792836087) |

## What reviewers say

### TrustFactor Authenticator

[App page](https://appshunter.io/ios/app/trustfactor-authenticator/id1525877833)

This app provides risk-based analysis for authentication requests, allowing users to securely approve or reject actions. It enhances security by evaluating the risk associated with each login attempt.

**Highlights:** Risk-based authentication analysis, Secure approval/rejection of actions, Enhanced security for requests, User-friendly interface

**Features:** Vision Pro support

**In-app purchases:** none


### Formulus

[App page](https://appshunter.io/ios/app/formulus/id6798318215)

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

**In-app purchases:** none


## Frequently asked questions

### Is TrustFactor Authenticator free?

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

### Is Formulus free?

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

### Do TrustFactor Authenticator or Formulus have ads?

Neither TrustFactor Authenticator nor Formulus shows ads.

### Which is updated more often, TrustFactor Authenticator or Formulus?

TrustFactor Authenticator ships an update monthly, and Formulus every 2 days. Most recently, TrustFactor Authenticator was updated on October 4, 2026 and Formulus on October 9, 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.*