# 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 ads (none vs shown) and update cadence (every 3 days vs monthly). On price 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 3 days, Two factor authenticator monthly. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Authenticator | Two factor authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (21 ratings)](https://appshunter.io/ios/app/authenticator/id1361959180/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 82.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free | — |
| Size | 18 MB | 45 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bouqt.com Ltd](https://appshunter.io/developer/386265332) | [nguyen thanh](https://appshunter.io/developer/1481436893) |

## What reviewers say

### Authenticator

[App page](https://appshunter.io/ios/app/authenticator/id1361959180)

This app generates time-based and counter-based one-time passwords for multi-factor authentication. It enhances account security by providing an extra layer of verification for services like Google and Bouqt apps. Data is stored securely on your device's keychain.

**Highlights:** Multi-factor authentication code generation, Supports time-based and counter-based OTPs, Offline functionality (no internet required), Secure keychain storage, Code grouping for organization, Simple and readable UI

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

**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?

Two factor authenticator shows ads; Authenticator does not.

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

Authenticator ships an update every 3 days, and Two factor authenticator monthly. Most recently, Authenticator was updated on October 22, 2026 and Two factor authenticator 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.*