# Diary Journal vs Chat AI Smart Write Assistant

The clearest difference is rating: Diary Journal at 4.7 against Chat AI Smart Write Assistant's 1.0. Diary Journal also leads on ratings volume (368 vs 1). Chat AI Smart Write Assistant's advantage is update cadence (weekly vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Diary Journal sells 1 in-app purchase, starting at $19.99 per year and Chat AI Smart Write Assistant sells 5 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Diary Journal holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Diary Journal has 368 ratings behind it against 1, so its average is the more settled of the two.

Diary Journal ships an update every 6 weeks, Chat AI Smart Write Assistant weekly. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Diary Journal | Chat AI Smart Write Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (368 ratings)](https://appshunter.io/ios/app/diary-journal-with-lock/id1572225395/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/chat-ai-smart-write-assistant/id6449243956/reviews) |
| Number of ratings | **368** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 57 MB | 27 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Heyou Co., Ltd.](https://appshunter.io/developer/1480358223) | [DY Mobile](https://appshunter.io/developer/1643267703) |

## What reviewers say

### Diary Journal

[App page](https://appshunter.io/ios/app/diary-journal-with-lock/id1572225395)

This app provides a secure and private digital space for recording thoughts, memories, and dreams. It encourages self-reflection and personal growth through daily journaling, ensuring all entries are kept confidential.

**Highlights:** Secret diary entries, Log life events and progress, Record emotions and feelings, Password protection for privacy, Encourages self-reflection, Modern journal interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diary Pro 1 Year | $19.99 | per year |

**What reviewers like**

- 🔒 Password protection and privacy features
- 📹 Video diary functionality highly valued
- 👍 Easy to use and intuitive interface
- 📸 Ability to add photos and videos to entries
- 🎙️ Audio recording capability

**What reviewers complain about**

- 🚫 Limited free version (one entry per day)
- 💰 Premium features behind paywall
- 🔐 Password recovery impossible if forgotten
- 📱 Data transfer issues between devices
- ☁️ Backup to cloud not working reliably

**Reported bugs**

- Video uploads fail and crash repeatedly
- Long video entries don't save properly
- Data doesn't transfer to new phone despite cloud backup
- Import from ZIP file causes app to close
- App crashes when importing exported data

**Requested features**

- Timestamp for each journal entry
- Password reset or recovery option
- Multiple entries per day in free version
- Font customization (size, bold, italics, underline)
- Location tagging for entries


### Chat AI Smart Write Assistant

[App page](https://appshunter.io/ios/app/chat-ai-smart-write-assistant/id6449243956)

This AI chatbot provides advanced writing assistance, translation, and analysis. It can help with copywriting, generating reports, and even interpreting dreams. The app offers contextual follow-up questions and saves your conversation history for easy reference.

**Highlights:** Contextual follow-up questions, History saving, Copywriting, Writing assistance, Translation, Weekly report generation, Dream analysis

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpenChat AI 写作生成器 - 7天会员 | $1.99 | per 7 days |
| OpenChat AI 写作生成器 - 30天会员 | $6.99 | per month |
| OpenChat AI 写作生成器 - 90天会员 | $19.99 | per 3 months |
| OpenChat AI 写作生成器 - 365天会员 | $29.99 | per year |
| ChatAI 会员365天 | $29.99 | per year |


## Frequently asked questions

### Is Diary Journal free?

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

### Is Chat AI Smart Write Assistant free?

Chat AI Smart Write Assistant is free to download, with in-app purchases available.

### Which has better reviews, Diary Journal or Chat AI Smart Write Assistant?

Diary Journal is rated higher. Diary Journal averages 4.7 out of 5 from 368 ratings, while Chat AI Smart Write Assistant averages 1.0 from 1 ratings.

### Do Diary Journal or Chat AI Smart Write Assistant have ads?

Neither Diary Journal nor Chat AI Smart Write Assistant shows ads.

### Which is updated more often, Diary Journal or Chat AI Smart Write Assistant?

Diary Journal ships an update every 6 weeks, and Chat AI Smart Write Assistant weekly. Most recently, Diary Journal was updated on October 20, 2026 and Chat AI Smart Write Assistant on October 15, 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.*