# IDmelon Authenticator vs Joyful Space Booking

The clearest difference is in-app purchases: Joyful Space Booking at none against IDmelon Authenticator's 2. Joyful Space Booking also leads on iOS requirement (11.0 vs 16.0). IDmelon Authenticator's advantage is update cadence (every 2 weeks vs monthly). On price, 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. Joyful Space Booking asks for nothing beyond the download.

IDmelon Authenticator ships an update every 2 weeks, Joyful Space Booking monthly. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | IDmelon Authenticator | Joyful Space Booking |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (7 ratings)](https://appshunter.io/ios/app/idmelon-authenticator/id1511376376/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 165 MB | 49 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IDmelon Technologies Inc](https://appshunter.io/developer/1165575817) | [VARX](https://appshunter.io/developer/1712599336) |

## 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 |


### Joyful Space Booking

[App page](https://appshunter.io/ios/app/joyful-space-booking/id1562066103)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IDmelon Authenticator free?

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

### Is Joyful Space Booking free?

Joyful Space Booking is free to download, with no in-app purchases.

### Do IDmelon Authenticator or Joyful Space Booking have ads?

Neither IDmelon Authenticator nor Joyful Space Booking shows ads.

### Which is updated more often, IDmelon Authenticator or Joyful Space Booking?

IDmelon Authenticator ships an update every 2 weeks, and Joyful Space Booking monthly. Most recently, IDmelon Authenticator was updated on October 13, 2026 and Joyful Space Booking on October 6, 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.*