# 99one vs 2FA Authenticator

The clearest difference is in-app purchases: 99one at none against 2FA Authenticator's 2. 2FA Authenticator's advantage is update cadence (monthly vs every 42 months) and iOS requirement (15.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. 2FA Authenticator sells 2 in-app purchases, starting at $4.99 per month. 99one asks for nothing beyond the download.

99one ships an update every 42 months, 2FA Authenticator monthly. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 99one | 2FA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (32 ratings)](https://appshunter.io/ios/app/2fa-authenticator-locker/id6504048697/reviews)** |
| Number of ratings | — | **32** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 42 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 1 MB | 92 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [First Response Mental Health](https://appshunter.io/developer/1518087142) | [Masai Code Ventures LTD](https://appshunter.io/developer/1628307304) |

## What reviewers say

### 99one

[App page](https://appshunter.io/ios/app/99one/id1658640765)

**In-app purchases:** none


### 2FA Authenticator

[App page](https://appshunter.io/ios/app/2fa-authenticator-locker/id6504048697)

Secure your online accounts with multi-factor authentication and password management. Generate time-sensitive codes, store passwords, and receive alerts for data breaches. Features cloud backup and biometric encryption for enhanced security.

**Highlights:** Generate 2FA/MFA codes, Store and manage passwords, Password breach detection, Encrypted cloud backup, Biometric encryption (Face ID/Fingerprint), Support for 1000+ apps

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Locker Monthly | $4.99 | per month |
| Annual Premium | $39.99 | per year |


## Frequently asked questions

### Is 99one free?

99one is free to download, with no in-app purchases.

### Is 2FA Authenticator free?

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

### Do 99one or 2FA Authenticator have ads?

Neither 99one nor 2FA Authenticator shows ads.

### Which is updated more often, 99one or 2FA Authenticator?

99one ships an update every 42 months, and 2FA Authenticator monthly. Most recently, 99one was updated on October 8, 2026 and 2FA Authenticator on October 10, 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.*