# Alvoni vs Secret Diary with Lock

The clearest difference is in-app purchases: Alvoni at none against Secret Diary with Lock's 4. Alvoni also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). Secret Diary with Lock's advantage is update cadence (weekly vs every 6 months). On price and device support 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. Alvoni asks for nothing beyond the download.

Alvoni ships an update every 6 months, Secret Diary with Lock weekly. Both last shipped on November 6, 2026.

## The numbers

| Metric | Alvoni | Secret Diary with Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (739 ratings)](https://appshunter.io/ios/app/secret-diary-with-lock-muse/id1151869610/reviews)** |
| Number of ratings | — | **739** |
| Positive reviews | — | 78.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 71 MB | 62 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlo Alvoni](https://appshunter.io/developer/1145304433) | [Bogdan Filippov](https://appshunter.io/developer/1108017036) |

## What reviewers say

### Alvoni

[App page](https://appshunter.io/ios/app/alvoni/id1145304434)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Alvoni free?

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

### Is Secret Diary with Lock free?

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

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

Secret Diary with Lock shows ads; Alvoni does not.

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

Alvoni ships an update every 6 months, and Secret Diary with Lock weekly. Most recently, Alvoni was updated on November 6, 2026 and Secret Diary with Lock on November 6, 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.*