# FreeOTP Authenticator vs One

The clearest difference is review sentiment: FreeOTP Authenticator at 37% against One's 13%. FreeOTP Authenticator also leads on iOS requirement (11.0 vs 14.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FreeOTP Authenticator ships an update every 6 months, One every 5 months. The most recent releases landed on September 23, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | FreeOTP Authenticator | One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (173 ratings)](https://appshunter.io/ios/app/freeotp-authenticator/id872559395/reviews)** | — |
| Number of ratings | **173** | — |
| Positive reviews | **37.0% of reviews** | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 11 MB | 49 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Red Hat](https://appshunter.io/developer/533936015) | [NTT DATA GROUP CORPORATION](https://appshunter.io/developer/478236616) |

## What reviewers say

### FreeOTP Authenticator

[App page](https://appshunter.io/ios/app/freeotp-authenticator/id872559395)

Generate one-time passwords for enhanced online account security. This app creates temporary codes that, when used with your regular password, significantly strengthen your login protection. It functions even without an internet connection.

**Highlights:** Generates one-time passwords, Works offline (airplane mode), Supports Google, Facebook, GitHub, etc., Compatible with TOTP/HOTP protocols, Open source software

**In-app purchases:** none

**What reviewers like**

- 🚀 Simple and lightweight
- 🔒 Open source and privacy-focused
- 👍 Clean and intuitive interface
- 💡 Customizable icons for accounts

**What reviewers complain about**

- 🐛 Crashes and bugs after recent updates
- 🔒 Lack of backup/restore functionality
- 💡 Limited customization options
- 👎 Unable to edit or delete accounts

**Reported bugs**

- Camera not working for QR code scanning
- App crashing on launch or when unlocking accounts
- UI issues on larger iOS devices

**Requested features**

- Add ability to manually enter account details
- Implement iCloud/cloud backup sync
- Allow renaming and deleting of accounts
- Provide Apple Watch support


### One

[App page](https://appshunter.io/ios/app/one-time-password/id1028958661)

This utility generates a secure, eight-digit disposable password every minute. These one-time passwords are ideal for enhancing security across various online services, as they become invalid after a short period, even if compromised.

**Highlights:** Generates eight-digit passwords, Passwords valid for one minute, Enhances online service security, Disposable password functionality, Requires OTP application at service

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FreeOTP Authenticator free?

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

### Is One free?

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

### Do FreeOTP Authenticator or One have ads?

Neither FreeOTP Authenticator nor One shows ads.

### Which is updated more often, FreeOTP Authenticator or One?

FreeOTP Authenticator ships an update every 6 months, and One every 5 months. Most recently, FreeOTP Authenticator was updated on September 23, 2026 and One on September 4, 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.*