# Comsag vs Authenticator 2FA

The clearest difference is in-app purchases: Comsag at none against Authenticator 2FA's 3. Comsag also leads on iOS requirement (15.6 vs 17.0). Authenticator 2FA's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Authenticator 2FA sells 3 in-app purchases, starting at $3.99 per 7 days. Comsag asks for nothing beyond the download.

Comsag ships an update every 3 months, Authenticator 2FA every 3 weeks. The most recent releases landed on September 18, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | Comsag | Authenticator 2FA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 2 MB | 37 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TCSD](https://appshunter.io/developer/565948330) | [Abdullah Khan](https://appshunter.io/developer/1734625924) |

## What reviewers say

### Comsag

[App page](https://appshunter.io/ios/app/comsag/id565948207)

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator 2FA

[App page](https://appshunter.io/ios/app/authenticator-2fa-otp/id6758774364)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Monthly | $9.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is Comsag free?

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

### Is Authenticator 2FA free?

Authenticator 2FA is free to download, with in-app purchases available.

### Do Comsag or Authenticator 2FA have ads?

Neither Comsag nor Authenticator 2FA shows ads.

### Which is updated more often, Comsag or Authenticator 2FA?

Comsag ships an update every 3 months, and Authenticator 2FA every 3 weeks. Most recently, Comsag was updated on September 18, 2026 and Authenticator 2FA on August 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.*