# Secret Diary with Lock vs UNLOOP

The clearest difference is device support: Secret Diary with Lock at 3 against UNLOOP's 1. Secret Diary with Lock also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases 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 UNLOOP sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Secret Diary with Lock ships an update weekly, UNLOOP every 2 weeks. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Secret Diary with Lock | UNLOOP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (734 ratings)](https://appshunter.io/ios/app/secret-diary-with-lock-muse/id1151869610/reviews)** | — |
| Number of ratings | **734** | — |
| Positive reviews | 78.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 62 MB | 30 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bogdan Filippov](https://appshunter.io/developer/1108017036) | [FlashSoft OU](https://appshunter.io/developer/1751096302) |

## 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


### UNLOOP

[App page](https://appshunter.io/ios/app/unloop-screen-time-blocker/id6810761581)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $7.99 | per month |
| Premium Yearly | $39.99 | per year |
| Premium Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Secret Diary with Lock free?

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

### Is UNLOOP free?

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

### Do Secret Diary with Lock or UNLOOP have ads?

Both Secret Diary with Lock and UNLOOP show ads.

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

Secret Diary with Lock ships an update weekly, and UNLOOP every 2 weeks. Most recently, Secret Diary with Lock was updated on October 29, 2026 and UNLOOP on October 26, 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.*