# IDmelon Authenticator vs Oloid Vault

The clearest difference is in-app purchases: Oloid Vault at none against IDmelon Authenticator's 2. IDmelon Authenticator's advantage is iOS requirement (16.0 vs 18.0). On price, update cadence, 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. Oloid Vault asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | IDmelon Authenticator | Oloid Vault |
| --- | --- | --- |
| 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 | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 165 MB | 23 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IDmelon Technologies Inc](https://appshunter.io/developer/1165575817) | [Oloid Inc.](https://appshunter.io/developer/964001139) |

## 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 |


### Oloid Vault

[App page](https://appshunter.io/ios/app/oloid-vault/id6754781281)

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

**In-app purchases:** none


## Frequently asked questions

### Is IDmelon Authenticator free?

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

### Is Oloid Vault free?

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

### Do IDmelon Authenticator or Oloid Vault have ads?

Neither IDmelon Authenticator nor Oloid Vault shows ads.

### Which is updated more often, IDmelon Authenticator or Oloid Vault?

IDmelon Authenticator ships an update every 2 weeks, and Oloid Vault every 2 weeks. Most recently, IDmelon Authenticator was updated on November 3, 2026 and Oloid Vault on October 30, 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.*