# Passkeys App vs Science Explorer

The clearest difference is in-app purchases: Science Explorer at none against Passkeys App's 3. Science Explorer also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Passkeys App sells 3 in-app purchases, starting at $2.99 per 7 days. Science Explorer asks for nothing beyond the download.

Passkeys App ships an update fortnightly, Science Explorer every 8 days. The most recent releases landed on September 23, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Passkeys App | Science Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (967 ratings)](https://appshunter.io/ios/app/passkeys-app/id1659205365/reviews)** | — |
| Number of ratings | **967** | — |
| Positive reviews | 88.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Freemium | — |
| Size | 82 MB | 30 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [2Stable](https://appshunter.io/developer/1534145511) | [Dung Ba Nguyen](https://appshunter.io/developer/1886372549) |

## What reviewers say

### Passkeys App

[App page](https://appshunter.io/ios/app/passkeys-app/id1659205365)

This app offers a secure and simple way to log into your accounts without passwords. It uses biometric authentication like Face ID or Touch ID for quick setup and effortless sign-ins, providing next-generation security and phishing protection.

**Highlights:** Passwordless sign-ins, Biometric authentication (Face ID/Touch ID), Encrypted data storage, Encrypted backups, Cross-device synchronization, Phishing-proof security

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Passkeys | $2.99 | per 7 days |
| Passkeys | $5.99 | per month |
| Passkeys | $19.99 | per year |

**What reviewers like**

- 👍 Well-designed app
- 🔒 Secure and reliable
- 🚀 Easy to set up and use
- 💡 Convenient password management
- 🔒 Encrypted cloud storage

**What reviewers complain about**

- 🐛 Occasional crashes and performance issues
- 💡 Lacking advanced customization options
- 💡 Could use more features for power users
- 🔋 Slightly slow loading times at times

**Reported bugs**

- Login screen freezes
- Incompatibility with certain apps

**Requested features**

- Dark mode option
- More customization settings
- Additional security features
- Enhanced password generator
- Improved mobile app stability


### Science Explorer

[App page](https://appshunter.io/ios/app/science-explorer/id6772375997)

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

**In-app purchases:** none


## Frequently asked questions

### Is Passkeys App free?

Passkeys App is free to download, with in-app purchases available.

### Is Science Explorer free?

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

### Do Passkeys App or Science Explorer have ads?

Neither Passkeys App nor Science Explorer shows ads.

### Which is updated more often, Passkeys App or Science Explorer?

Passkeys App ships an update fortnightly, and Science Explorer every 8 days. Most recently, Passkeys App was updated on September 23, 2026 and Science Explorer on September 14, 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.*