# X vs Authenticator 2FA & OTP

The clearest difference is in-app purchases: X at none against Authenticator 2FA & OTP's 4. X also leads on device support (4 vs 2) and iOS requirement (15.6 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Authenticator 2FA & OTP sells 4 in-app purchases, starting at $3.99 per 7 days. X asks for nothing beyond the download.

X ships an update monthly, Authenticator 2FA & OTP every 3 weeks. The most recent releases landed on September 28, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | X | Authenticator 2FA & OTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/x-notes-ai-study-notes/id6498873540/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 84 MB | 13 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VanAnh Nguyen](https://appshunter.io/developer/1768719425) | [MOBNESS LTD](https://appshunter.io/developer/1690422939) |

## What reviewers say

### X

[App page](https://appshunter.io/ios/app/x-notes-ai-study-notes/id6498873540)

This AI-powered note-taking app helps students organize and access study materials across devices. It converts handwriting, speech, and images to text, and allows for lecture recording. Notes are kept private and secure within the Apple ecosystem.

**Highlights:** Handwriting to Text conversion, Speech to Text for lectures, Image to Text (OCR), Voice notes for lectures, iPad & Mac sync via iCloud, Private and secure note-taking

**In-app purchases:** none


### Authenticator 2FA & OTP

[App page](https://appshunter.io/ios/app/authenticator-2fa-and-otp-ring/id6759716920)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $3.99 | per 7 days |
| 1 Month | $4.99 | per month |
| 1 Month | $7.99 | per month |
| 1 Year | $29.99 | per year |


## Frequently asked questions

### Is X free?

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

### Is Authenticator 2FA & OTP free?

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

### Do X or Authenticator 2FA & OTP have ads?

Neither X nor Authenticator 2FA & OTP shows ads.

### Which is updated more often, X or Authenticator 2FA & OTP?

X ships an update monthly, and Authenticator 2FA & OTP every 3 weeks. Most recently, X was updated on September 28, 2026 and Authenticator 2FA & OTP on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*