# Diary! SmartDiary vs AI Note before forgetting

The clearest difference is in-app purchases: AI Note before forgetting at none against Diary! SmartDiary's 1. Diary! SmartDiary's advantage is ratings volume (44 vs 10). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Diary! SmartDiary sells 1 one-off in-app purchase. AI Note before forgetting asks for nothing beyond the download.

Diary! SmartDiary holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 44 and 10 respectively.

Diary! SmartDiary ships an update every 3 months, AI Note before forgetting every 2 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Diary! SmartDiary | AI Note before forgetting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (44 ratings)](https://appshunter.io/ios/app/diary-smartdiary/id1381186388/reviews)** | [4.4 (10 ratings)](https://appshunter.io/ios/app/ai-note-before-forgetting/id1541774073/reviews) |
| Number of ratings | **44** | 10 |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 12 MB | 7 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hideki Okuno](https://appshunter.io/developer/1234067922) | [Hideshi Otsuru](https://appshunter.io/developer/446092368) |

## What reviewers say

### Diary! SmartDiary

[App page](https://appshunter.io/ios/app/diary-smartdiary/id1381186388)

Record daily life with photos and track your mood and schedule on a calendar. Secure your entries with a passcode and easily access past memories. Customize your diary with various settings for a personalized experience.

**Highlights:** Record memories with photos, Track daily mood and schedule, Passcode lock with biometric support, iCloud backup and data migration, Customizable calendar and diary settings, Input forgetting notifications

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### AI Note before forgetting

[App page](https://appshunter.io/ios/app/ai-note-before-forgetting/id1541774073)

Capture your thoughts and ideas with this app. It allows you to save notes, add location details like address and weather, and even attach photos and videos. AI features can help generate ideas, summarize, and proofread your entries.

**Highlights:** AI-powered idea generation, Note summarization and proofreading, Automatic location data (date, time, address, weather), Add photos and videos to notes, Folder organization, Search functionality, Note sharing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Diary! SmartDiary free?

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

### Is AI Note before forgetting free?

AI Note before forgetting is free to download, with no in-app purchases.

### Which has better reviews, Diary! SmartDiary or AI Note before forgetting?

Diary! SmartDiary is rated higher. Diary! SmartDiary averages 4.6 out of 5 from 44 ratings, while AI Note before forgetting averages 4.4 from 10 ratings.

### Do Diary! SmartDiary or AI Note before forgetting have ads?

Both Diary! SmartDiary and AI Note before forgetting show ads.

### Which is updated more often, Diary! SmartDiary or AI Note before forgetting?

Diary! SmartDiary ships an update every 3 months, and AI Note before forgetting every 2 months. Most recently, Diary! SmartDiary was updated on October 9, 2026 and AI Note before forgetting on October 8, 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.*