# IDmelon Authenticator vs OneKeePass

The clearest difference is review sentiment: IDmelon Authenticator at 100% against OneKeePass's 33%. IDmelon Authenticator also leads on rating (4.7 vs 3.9) and update cadence (every 2 weeks vs every 2 months). OneKeePass's advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. IDmelon Authenticator sells 2 in-app purchases, starting at $5.99 per year. OneKeePass asks for nothing beyond the download.

IDmelon Authenticator holds the better App Store score, 4.7 against 3.9. Both are backed by a comparable volume of ratings — 7 and 13 respectively. Written reviews point the same way: 100% of IDmelon Authenticator's written reviews are positive against 33% of OneKeePass's.

IDmelon Authenticator ships an update every 2 weeks, OneKeePass every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | IDmelon Authenticator | OneKeePass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (7 ratings)](https://appshunter.io/ios/app/idmelon-authenticator/id1511376376/reviews)** | [3.9 (13 ratings)](https://appshunter.io/ios/app/onekeepass-password-manager/id6448712640/reviews) |
| Number of ratings | 7 | **13** |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 165 MB | 90 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IDmelon Technologies Inc](https://appshunter.io/developer/1165575817) | [Jeyasankar Thenmani](https://appshunter.io/developer/1685780528) |

## What reviewers say

### IDmelon Authenticator

[App page](https://appshunter.io/ios/app/idmelon-authenticator/id1511376376)

Transform your smartphone into a FIDO2 security key for passwordless logins on all your devices. Generate, store, and manage passkeys for secure and easy access to online accounts and applications. Compatible with major platforms like GitHub, Facebook, and Microsoft.

**Highlights:** Smartphone as FIDO2 security key, Passwordless logins, Passkey generation and management, Cross-device compatibility, Supports GitHub, Facebook, Microsoft, Tap & Login experience

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IDmelon Standard | $5.99 | per year |
| IDmelon Premium | $11.99 | per year |


### OneKeePass

[App page](https://appshunter.io/ios/app/onekeepass-password-manager/id6448712640)

Securely store and manage all your passwords and sensitive information in a single encrypted file. This app supports various cloud storage solutions and offers robust encryption to keep your data safe. It allows for multiple databases and provides features like password generation and auto-fill.

**Highlights:** KeePass-compatible database support, Encrypted storage for passwords and sensitive data, Multiple database support, Password generation, AutoFill functionality, Offline access, FaceID and PIN lock protection

**In-app purchases:** none


## Frequently asked questions

### Is IDmelon Authenticator free?

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

### Is OneKeePass free?

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

### Which has better reviews, IDmelon Authenticator or OneKeePass?

IDmelon Authenticator is rated higher. IDmelon Authenticator averages 4.7 out of 5 from 7 ratings, while OneKeePass averages 3.9 from 13 ratings.

### Do IDmelon Authenticator or OneKeePass have ads?

Neither IDmelon Authenticator nor OneKeePass shows ads.

### Which is updated more often, IDmelon Authenticator or OneKeePass?

IDmelon Authenticator ships an update every 2 weeks, and OneKeePass every 2 months. Most recently, IDmelon Authenticator was updated on November 3, 2026 and OneKeePass on November 3, 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.*