# Authenticator 2FA vs ThinkClear AI

The clearest difference is review sentiment: Authenticator 2FA at 75% against ThinkClear AI's 0%. Authenticator 2FA also leads on rating (4.2 vs 3.5) and ratings volume (217 vs 33). ThinkClear AI's advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Authenticator 2FA sells 5 in-app purchases, starting at $6.99 per 7 days and ThinkClear AI sells 4 in-app purchases, starting at $18.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator 2FA holds the better App Store score, 4.2 against 3.5. That said, the two scores are not equally well evidenced: Authenticator 2FA has 217 ratings behind it against 33, so its average is the more settled of the two. Written reviews point the same way: 75% of Authenticator 2FA's written reviews are positive against 0% of ThinkClear AI's.

Authenticator 2FA ships an update fortnightly, ThinkClear AI every 2 weeks. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Authenticator 2FA | ThinkClear AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (217 ratings)](https://appshunter.io/ios/app/authenticator-2fa-otp-codes/id6499083387/reviews)** | [3.5 (33 ratings)](https://appshunter.io/ios/app/thinkclear-ai/id6756715498/reviews) |
| Number of ratings | **217** | 33 |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 29 MB | 21 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Bayram Gezek](https://appshunter.io/developer/1752286955) | [Guardian AI Labs](https://appshunter.io/developer/1854415188) |

## What reviewers say

### Authenticator 2FA

[App page](https://appshunter.io/ios/app/authenticator-2fa-otp-codes/id6499083387)

Enhance your online security with this app, providing two-factor authentication (2FA) and multi-factor authentication (MFA) tokens. It generates secure, time-based one-time passwords (TOTP) that update every 30 seconds, working offline for seamless verification across thousands of websites and services.

**Highlights:** Two-factor authentication (2FA), Multi-factor authentication (MFA), Time-based one-time passwords (TOTP), Offline code generation, Supports 2,500+ websites, QR code setup

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Weekly Trial | $6.99 | per 7 days |
| Weekly 9 | $9.99 | per 7 days |
| Monthly | $29.99 | per month |
| Yearly 6 | $69.99 | per year |


### ThinkClear AI

[App page](https://appshunter.io/ios/app/thinkclear-ai/id6756715498)

Enhance your digital experience by blocking distracting ads, risky websites, and unwanted trackers. This app also helps declutter your device by identifying and removing unnecessary media files, creating a cleaner and more secure online environment.

**Highlights:** Ad and banner blocking, High-risk website blocking, Adult content filtering, Tracking script prevention, Duplicate screenshot removal, Oversized video file identification

**Features:** macOS Compatibility, Safari Extension, Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly (Special) | $18.99 | per 7 days |
| Premium Weekly (Trial) | $18.99 | per 7 days |
| Premium Weekly | $18.99 | per 7 days |
| ThinkClear AI Pro | $28.99 | per 7 days |


## Frequently asked questions

### Is Authenticator 2FA free?

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

### Is ThinkClear AI free?

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

### Which has better reviews, Authenticator 2FA or ThinkClear AI?

Authenticator 2FA is rated higher. Authenticator 2FA averages 4.2 out of 5 from 217 ratings, while ThinkClear AI averages 3.5 from 33 ratings.

### Do Authenticator 2FA or ThinkClear AI have ads?

Authenticator 2FA shows ads; ThinkClear AI does not.

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

Authenticator 2FA ships an update fortnightly, and ThinkClear AI every 2 weeks. Most recently, Authenticator 2FA was updated on October 14, 2026 and ThinkClear AI on October 8, 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.*