# Pass Book - Two Factor — Two Factor done simply.

> Simple two-factor authentication code generator with iCloud sync. (iPhone/iPad app by Alexander Logan.)

- Source: https://appshunter.io/ios/app/pass-book-two-factor/id1548925203 (this page in markdown: same URL + `.md`)
- Developer: [Alexander Logan](https://appshunter.io/developer/1322424210)
- Category: Utilities, Productivity
- Price: Free
- Rating: 3.40/5 from 5 App Store ratings
- Age rating: 4+
- Requires: iOS 14.0 · 5 MB
- Languages: American English
- Released: 2021-01-15
- Data updated: 2026-08-20
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/pass-book-two-factor/id1548925203/reviews.md

## What is Pass Book?

Pass Book is a simple two factor authentication app that generates codes for you and synchronises them to your other devices via iCloud. 

Your data is kept secure with your secrets remaining in your keychain and only used when the device is unlocked.

No analytics, no tracking,  just simple data storage.

## Key features

- Generates two-factor authentication codes
- iCloud synchronization across devices
- Secure keychain data storage
- No analytics or tracking
- Simple user interface


## Frequently asked questions about Pass Book

### Does Pass Book have ads?

No, Pass Book is ad-free. The app prioritizes a clean user experience without advertisements.

### How secure is Pass Book?

Pass Book keeps your secrets secure in your device's keychain, only accessible when the device is unlocked. It does not use analytics or tracking.

### What devices does Pass Book support?

Pass Book is available on Mac, Apple Watch, iPhone, iPad, and iPod.

### How often is Pass Book updated?

The app was last updated on February 1, 2021, with version 1.2.1. It was initially released on January 15, 2021.

### What is the user rating for Pass Book?

Pass Book has a rating of 3.4 stars based on 5 ratings.

### Can I use Pass Book without an internet connection?

While iCloud sync requires an internet connection, the generation of two-factor codes locally on your device should function offline.

### Is Pass Book suitable for younger users?

Pass Book has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 5 releases)

### 1.2.1 — 2021-02-01

You can now import your previous codes from Google Authenticator.
The ticker will now be in sync for all your codes.

### 1.2 — 2021-01-30

You can now import your previous codes from Google Authenticator.
The ticker will now be in sync for all your codes.

### 1.1.1 — 2021-01-19

A little fix for a bug where tapping save with an in-complete form would get you stuck on that screen.

### 1.1 — 2021-01-18

You can now enable a monospaced font in settings.
When the app enters the background it applies a blur so you can’t see the codes anymore.
Ah yes, there's a watch app too.

### 1.0 — 2021-01-16

No release notes.

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## More apps by Alexander Logan

- [Snippit - AI Snippets Manager](https://appshunter.io/ios/app/snippit-ai-snippets-manager/id1465481124)
- [Coffee Book: Brew Journal](https://appshunter.io/ios/app/coffee-book-brew-journal/id1512681263)
- [Teleprompter for Presentations](https://appshunter.io/ios/app/teleprompter-for-presentations/id6471110676)
- [Dialled In](https://appshunter.io/ios/app/dialled-in/id6480353140)
- [Pace - Running Time Converter](https://appshunter.io/ios/app/pace-running-time-converter/id6624293676)

All apps by Alexander Logan: https://appshunter.io/developer/1322424210

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-20.*