# Astronaut's Journal vs Secret Diary

The clearest difference is price: Secret Diary at Free against Astronaut's Journal's $9.99. Secret Diary also leads on update cadence (every 3 months vs every 7 months) and device support (4 vs 1). Astronaut's Journal's advantage is in-app purchases (none vs 1) and review sentiment (100% vs 70%). On rating, ads and iOS requirement there is nothing between them.

Secret Diary is free to download; Astronaut's Journal costs $9.99 up front. Secret Diary sells 1 one-off in-app purchase. Astronaut's Journal asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Astronaut's Journal against 5.0 for Secret Diary. That said, the two scores are not equally well evidenced: Astronaut's Journal has 35 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of Astronaut's Journal's written reviews are positive against 70% of Secret Diary's.

Astronaut's Journal ships an update every 7 months, Secret Diary every 3 months. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Astronaut's Journal | Secret Diary |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.9 (35 ratings)](https://appshunter.io/ios/app/astronauts-journal/id1361407595/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/secret-diary-password-notes/id6445909382/reviews)** |
| Number of ratings | **35** | 1 |
| Positive reviews | **100.0% of reviews** | 70.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 30 MB | 66 MB |
| Requires iOS | 16.0 | **15** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Deniz Dulat](https://appshunter.io/developer/1361407594) | [伟 葛](https://appshunter.io/developer/1028908732) |

## What reviewers say

### Astronaut's Journal

[App page](https://appshunter.io/ios/app/astronauts-journal/id1361407595)

This app offers guided journaling prompts and structured journals to explore your inner self and outer life. It includes sections for clearing your mind, practicing gratitude, interpreting dreams, capturing ideas, tracking goals, and celebrating achievements.

**Highlights:** Guided journaling prompts, Inner self exploration, Outer life investigation, Gratitude journaling, Dream interpretation, Goal setting and tracking, Idea capture

**In-app purchases:** none


### Secret Diary

[App page](https://appshunter.io/ios/app/secret-diary-password-notes/id6445909382)

Securely record your daily life and protect your privacy with this easy-to-use digital journal. Customize entries with beautiful fonts and quickly find past notes using content search. It offers password protection for exclusive access.

**Highlights:** Password protection, Secure diary entries, Customizable fonts, Content search, User-friendly interface, Privacy protection

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $2.99 | one-time |


## Frequently asked questions

### Is Astronaut's Journal free?

Astronaut's Journal costs $9.99, with no in-app purchases.

### Is Secret Diary free?

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

### Which has better reviews, Astronaut's Journal or Secret Diary?

Secret Diary is rated higher. Astronaut's Journal averages 4.9 out of 5 from 35 ratings, while Secret Diary averages 5.0 from 1 ratings.

### Do Astronaut's Journal or Secret Diary have ads?

Neither Astronaut's Journal nor Secret Diary shows ads.

### Which is updated more often, Astronaut's Journal or Secret Diary?

Astronaut's Journal ships an update every 7 months, and Secret Diary every 3 months. Most recently, Astronaut's Journal was updated on October 20, 2026 and Secret Diary on October 7, 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.*