# Astronaut's Journal vs Simple Diary

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

Simple Diary is free to download; Astronaut's Journal costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Astronaut's Journal ships an update every 7 months, Simple Diary every 3 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Astronaut's Journal | Simple Diary |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.9 (36 ratings)](https://appshunter.io/ios/app/astronauts-journal/id1361407595/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 30 MB | 8 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Deniz Dulat](https://appshunter.io/developer/1361407594) | [Kana Uchida](https://appshunter.io/developer/1819475901) |

## 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


### Simple Diary

[App page](https://appshunter.io/ios/app/simple-diary-myjot/id6747032449)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Astronaut's Journal free?

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

### Is Simple Diary free?

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

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

Simple Diary shows ads; Astronaut's Journal does not.

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

Astronaut's Journal ships an update every 7 months, and Simple Diary every 3 months. Most recently, Astronaut's Journal was updated on October 24, 2026 and Simple Diary on October 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.*