# Authenticator+ vs Two factor authenticator

The clearest difference is in-app purchases: Authenticator+ at none against Two factor authenticator's 3. Authenticator+ also leads on iOS requirement (13.0 vs 15.0). Two factor authenticator's advantage is update cadence (monthly vs every 16 months). On price, ads and device support there is nothing between them.

Both are free to download. Two factor authenticator sells 3 in-app purchases, starting at $1.99 per 7 days. Authenticator+ asks for nothing beyond the download.

Authenticator+ ships an update every 16 months, Two factor authenticator monthly. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Authenticator+ | Two factor authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 16 months | **Monthly** |
| Size | 20 MB | 45 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Studio Fifteen](https://appshunter.io/developer/1470310980) | [nguyen thanh](https://appshunter.io/developer/1481436893) |

## What reviewers say

### Authenticator+

[App page](https://appshunter.io/ios/app/authenticator-plus/id1534054410)

**In-app purchases:** none


### Two factor authenticator

[App page](https://appshunter.io/ios/app/two-factor-authenticator/id6742745017)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Premium | $1.99 | per 7 days |
| One Month Premium | $4.99 | per month |
| 1 Year Premium | $19.99 | per year |


## Frequently asked questions

### Is Authenticator+ free?

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

### Is Two factor authenticator free?

Two factor authenticator is free to download, with in-app purchases available.

### Do Authenticator+ or Two factor authenticator have ads?

Both Authenticator+ and Two factor authenticator show ads.

### Which is updated more often, Authenticator+ or Two factor authenticator?

Authenticator+ ships an update every 16 months, and Two factor authenticator monthly. Most recently, Authenticator+ was updated on November 7, 2026 and Two factor authenticator on October 30, 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.*