# Secret Diary with Lock vs Authenticator Password

The clearest difference is ads: Authenticator Password at none against Secret Diary with Lock's shown. Secret Diary with Lock's advantage is ratings volume (692 vs 6) and update cadence (weekly vs every 5 weeks). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Secret Diary with Lock sells 4 in-app purchases, starting at $4.99 per month and Authenticator Password sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Secret Diary with Lock against 4.7 for Authenticator Password. That said, the two scores are not equally well evidenced: Secret Diary with Lock has 692 ratings behind it against 6, so its average is the more settled of the two.

Secret Diary with Lock ships an update weekly, Authenticator Password every 5 weeks. The most recent releases landed on September 23, 2026 and August 30, 2026 respectively.

## The numbers

| Metric | Secret Diary with Lock | Authenticator Password |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (692 ratings)](https://appshunter.io/ios/app/secret-diary-with-lock-muse/id1151869610/reviews) | [4.7 (6 ratings)](https://appshunter.io/ios/app/authenticator-password/id6449274151/reviews) |
| Number of ratings | **692** | 6 |
| Positive reviews | 78.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 62 MB | 4 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Bogdan Filippov](https://appshunter.io/developer/1108017036) | [裕涛 兰](https://appshunter.io/developer/1624361053) |

## What reviewers say

### Secret Diary with Lock

[App page](https://appshunter.io/ios/app/secret-diary-with-lock-muse/id1151869610)

This app allows you to capture and preserve life's moments with rich detail. Protect your thoughts with biometric or passcode locks, personalize your entries with various media, and sync across devices. It's designed to make journaling an enjoyable and secure experience.

**Highlights:** Password, Face, and Fingerprint Lock, Multiple Customizable Journals, Add Photos, Audio, Geolocation, Mood, Weather, iCloud Synchronization, Journaling Reminders, Elegant and Intuitive Design

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Muse Plus: Monthly | $4.99 | per month |
| Muse Plus: Annual Individual | $24.99 | per year |
| Muse Plus: Family Yearly | $29.99 | per year |
| Muse Plus: Family Lifetime | $59.99 | one-time |

**What reviewers like**

- 🔒 Secure with password/fingerprint lock
- 👍 Simple and easy to use interface
- 📸 Ability to add photos to entries
- 🩷 Customizable appearance (colors, icons)

**What reviewers complain about**

- 🐛 Issues with text editing and cursor jumping
- 💤 Occasional app freezes and crashes
- 📢 Intrusive ads and paywalls
- 🔍 Difficulty finding/accessing older entries

**Reported bugs**

- Entries sometimes disappear or get deleted
- Syncing issues with iCloud
- App getting stuck during setup

**Requested features**

- Calendar view for entries
- Multiple photo support per entry
- Formatting options (bold, italic, etc.)
- Ability to change password


### Authenticator Password

[App page](https://appshunter.io/ios/app/authenticator-password/id6449274151)

Securely store your two-factor authentication tokens and manage passwords with this app. It offers automatic setup, support for multiple accounts, and biometric unlock for enhanced security. Enjoy a premium user experience with encrypted iCloud backups and privacy-focused design.

**Highlights:** Secure 2FA token storage, Password management, Automatic QR code setup, Multi-account support, Face ID & Touch ID unlock, Encrypted iCloud backup

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator for 1 week | $3.99 | per 7 days |
| Authenticator for 1 year | $12.99 | per year |


## Frequently asked questions

### Is Secret Diary with Lock free?

Secret Diary with Lock is free to download, with in-app purchases available.

### Is Authenticator Password free?

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

### Which has better reviews, Secret Diary with Lock or Authenticator Password?

Secret Diary with Lock and Authenticator Password are both rated 4.7 out of 5 on the App Store, from 692 and 6 ratings respectively.

### Do Secret Diary with Lock or Authenticator Password have ads?

Secret Diary with Lock shows ads; Authenticator Password does not.

### Which is updated more often, Secret Diary with Lock or Authenticator Password?

Secret Diary with Lock ships an update weekly, and Authenticator Password every 5 weeks. Most recently, Secret Diary with Lock was updated on September 23, 2026 and Authenticator Password on August 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.*