# Authenticator App－2FAS・MFA・OTP vs Authenticator for Amazon

The clearest difference is rating: Authenticator App－2FAS・MFA・OTP at 4.6 against Authenticator for Amazon's 1.0. Authenticator App－2FAS・MFA・OTP also leads on ratings volume (553 vs 1) and chart position (#81 vs unranked). Authenticator for Amazon's advantage is ads (none vs shown) and iOS requirement (15.5 vs 17.6). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Authenticator App－2FAS・MFA・OTP sells 8 in-app purchases, starting at $5.99 per 7 days and Authenticator for Amazon sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator App－2FAS・MFA・OTP holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Authenticator App－2FAS・MFA・OTP has 553 ratings behind it against 1, so its average is the more settled of the two.

Authenticator App－2FAS・MFA・OTP ships an update every 9 days, Authenticator for Amazon every 2 weeks. The most recent releases landed on September 23, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Authenticator App－2FAS・MFA・OTP | Authenticator for Amazon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (553 ratings)](https://appshunter.io/ios/app/authenticator-app2fasmfaotp/id6636543626/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/authenticator-for-amazon/id6753742529/reviews) |
| Number of ratings | **553** | 1 |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#81** | — |
| Size | 152 MB | 59 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FLOOMIX LTD](https://appshunter.io/developer/1581569860) | [Grand Energy LLC](https://appshunter.io/developer/1844804348) |

## What reviewers say

### Authenticator App－2FAS・MFA・OTP

[App page](https://appshunter.io/ios/app/authenticator-app2fasmfaotp/id6636543626)

**Currently charting:** #81 Top Grossing · Utilities, #209 Top Free · Utilities (US App Store)

Enhance your online security by generating time-based one-time passcodes for two-factor authentication. Securely manage multiple accounts with effortless setup, biometric integration, and cloud backups. Enjoy a sleek interface with cross-device syncing for ultimate convenience.

**Highlights:** Multiple account support, QR code scanning for setup, Face ID/Touch ID integration, Cloud backups via iCloud, Dark mode interface, Cross-device synchronization

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $5.99 | per 7 days |
| Weekly Access | $9.99 | per 7 days |
| Weekly Access | $9.99 | per 7 days |
| Yearly Access | $49.99 | per year |
| Yearly Access | $59.99 | per year |
| Yearly Access | $59.99 | per year |
| Yearly Access | $69.99 | per year |
| Yearly Access | $69.99 | per year |


### Authenticator for Amazon

[App page](https://appshunter.io/ios/app/authenticator-for-amazon/id6753742529)

Secure your online accounts with reliable two-factor authentication. This app generates time-based verification codes for safer sign-ins and stronger account protection across various platforms. Setup is quick via QR code scanning or manual entry, with encrypted local storage for privacy.

**Highlights:** Two-factor authentication (2FA), Time-based verification codes, QR code scanner, Encrypted local storage, Backup and recovery, User-friendly interface

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly-Trial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Authenticator App－2FAS・MFA・OTP free?

Authenticator App－2FAS・MFA・OTP is free to download, with in-app purchases available.

### Is Authenticator for Amazon free?

Authenticator for Amazon is free to download, with in-app purchases available.

### Which has better reviews, Authenticator App－2FAS・MFA・OTP or Authenticator for Amazon?

Authenticator App－2FAS・MFA・OTP is rated higher. Authenticator App－2FAS・MFA・OTP averages 4.6 out of 5 from 553 ratings, while Authenticator for Amazon averages 1.0 from 1 ratings.

### Do Authenticator App－2FAS・MFA・OTP or Authenticator for Amazon have ads?

Authenticator App－2FAS・MFA・OTP shows ads; Authenticator for Amazon does not.

### Which is updated more often, Authenticator App－2FAS・MFA・OTP or Authenticator for Amazon?

Authenticator App－2FAS・MFA・OTP ships an update every 9 days, and Authenticator for Amazon every 2 weeks. Most recently, Authenticator App－2FAS・MFA・OTP was updated on September 23, 2026 and Authenticator for Amazon on September 15, 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.*