# Authenticator Pro vs SonaTrace

The clearest difference is update cadence: Authenticator Pro at every 2 days against SonaTrace's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Authenticator Pro sells 4 in-app purchases, starting at $4.99 per 7 days and SonaTrace sells 5 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator Pro ships an update every 2 days, SonaTrace every 10 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Authenticator Pro | SonaTrace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Size | 45 MB | 5 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ATHENE GROUP LTD](https://appshunter.io/developer/1706489025) | [NICOLAE TRANDAFIR](https://appshunter.io/developer/1637889464) |

## What reviewers say

### Authenticator Pro

[App page](https://appshunter.io/ios/app/authenticator-pro-2fa-and-otp/id6781132165)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Weekly | $4.99 | per 7 days |
| VIP Monthly | $8.99 | per month |
| VIP Yearly | $59.99 | per year |
| VIP Lifetime | $99.99 | one-time |


### SonaTrace

[App page](https://appshunter.io/ios/app/sonatrace-water-eject/id6798264712)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly | $2.99 | per 7 days |
| monthly | $9.99 | per month |
| six months | $19.99 | per 6 months |
| annual | $29.99 | per year |
| lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Authenticator Pro free?

Authenticator Pro is free to download, with in-app purchases available.

### Is SonaTrace free?

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

### Do Authenticator Pro or SonaTrace have ads?

Neither Authenticator Pro nor SonaTrace shows ads.

### Which is updated more often, Authenticator Pro or SonaTrace?

Authenticator Pro ships an update every 2 days, and SonaTrace every 10 days. Most recently, Authenticator Pro was updated on October 31, 2026 and SonaTrace on October 31, 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.*