# Google Authenticator vs Two Factor Authenticator & OTP

The clearest difference is review sentiment: Two Factor Authenticator & OTP at 100% against Google Authenticator's 58%. Two Factor Authenticator & OTP also leads on update cadence (every 2 days vs every 4 months). Google Authenticator's advantage is in-app purchases (none vs 2) and rating (4.9 vs 4.5). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Two Factor Authenticator & OTP sells 2 in-app purchases, starting at $6.99 per 7 days. Google Authenticator asks for nothing beyond the download.

Google Authenticator holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Google Authenticator has 1.2M ratings behind it against 133, so its average is the more settled of the two. Written reviews complicate that: 58% of Google Authenticator's written reviews are positive against 100% of Two Factor Authenticator & OTP's, so the app with the better star average is not the one people write more warmly about.

Google Authenticator ships an update every 4 months, Two Factor Authenticator & OTP every 2 days. The most recent releases landed on September 24, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Google Authenticator | Two Factor Authenticator & OTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.2M ratings)](https://appshunter.io/ios/app/google-authenticator/id388497605/reviews)** | [4.5 (133 ratings)](https://appshunter.io/ios/app/two-factor-authenticator-and-otp/id6738425763/reviews) |
| Number of ratings | **1.2M** | 133 |
| Positive reviews | 58.4% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | **Free** | Subscription |
| Best chart rank | **#3** | — |
| Size | 39 MB | 26 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Google](https://appshunter.io/developer/281956209) | [HENRY FOSTER](https://appshunter.io/developer/1851206362) |

## What reviewers say

### Google Authenticator

[App page](https://appshunter.io/ios/app/google-authenticator/id388497605)

**Currently charting:** #3 Top Free · Utilities, #93 Top Free (US App Store)

Enhance your online security with a second verification step for your accounts. Generate codes directly on your phone, even offline, to protect against unauthorized access. Sync codes across devices for easy access and manage multiple accounts securely.

**Highlights:** Offline code generation, Sync codes across devices, Automatic QR code setup, Support for multiple accounts, Time-based and counter-based codes, Transfer accounts via QR code

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly
- 🔒 Secure authentication
- 🚀 Simple and fast
- 🔒 Reliable security
- 👍 Easy to use

**What reviewers complain about**

- 🐛 Randomly deleted all codes
- 🐛 Unreliable, lost access to accounts
- 🐛 Timing issues, codes didn't work
- 🐛 Accounts duplicated then deleted
- 🐛 Wiped all accounts after update

**Reported bugs**

- Codes randomly deleted
- Accounts wiped after update
- Duplicated accounts then deleted all
- Timing issues, codes didn't work

**Requested features**

- Add scan from photo feature
- Ability to rename and group accounts
- Add Apple Watch app
- Implement cloud backup option


### Two Factor Authenticator & OTP

[App page](https://appshunter.io/ios/app/two-factor-authenticator-and-otp/id6738425763)

Enhance your online security with robust two-factor and multi-factor authentication. This app generates secure one-time passwords and supports multiple protocols, with features like backup, restore, and encrypted data storage for peace of mind.

**Highlights:** Two-Factor Authentication (2FA), Multi-Factor Authentication (MFA), TOTP and HOTP Support, Backup & Restore, User-Friendly Design, Encrypted Data Storage

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free Trial PRO Access | $6.99 | per 7 days |
| Weekly PRO Access | $6.99 | per 7 days |


## Frequently asked questions

### Is Google Authenticator free?

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

### Is Two Factor Authenticator & OTP free?

Two Factor Authenticator & OTP is free to download, with in-app purchases available.

### Which has better reviews, Google Authenticator or Two Factor Authenticator & OTP?

Google Authenticator is rated higher. Google Authenticator averages 4.9 out of 5 from 1.2M ratings, while Two Factor Authenticator & OTP averages 4.5 from 133 ratings.

### Do Google Authenticator or Two Factor Authenticator & OTP have ads?

Neither Google Authenticator nor Two Factor Authenticator & OTP shows ads.

### Which is updated more often, Google Authenticator or Two Factor Authenticator & OTP?

Google Authenticator ships an update every 4 months, and Two Factor Authenticator & OTP every 2 days. Most recently, Google Authenticator was updated on September 24, 2026 and Two Factor Authenticator & OTP on August 26, 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.*