# Diary! SmartDiary vs odd

The clearest difference is ads: odd at none against Diary! SmartDiary's shown. odd also leads on update cadence (every 4 days vs every 3 months). Diary! SmartDiary's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Diary! SmartDiary sells 1 one-off in-app purchase and odd sells 2 in-app purchases, starting at $24.99 per year. Whichever you choose, the download price is not the number that matters.

Diary! SmartDiary ships an update every 3 months, odd every 4 days. The most recent releases landed on October 17, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Diary! SmartDiary | odd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (44 ratings)](https://appshunter.io/ios/app/diary-smartdiary/id1381186388/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 93.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 12 MB | 11 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hideki Okuno](https://appshunter.io/developer/1234067922) | [Konstantin Shmykov](https://appshunter.io/developer/1693020939) |

## 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 |


### odd

[App page](https://appshunter.io/ios/app/odd-one-day-diary/id6806759626)

This app allows you to create a daily journal with a single photo and a few words. It features unique animal stickers to express your mood and a calendar view to revisit past entries. Sync your journal across devices using iCloud and secure it with Face ID.

**Highlights:** Daily photo and text entries, Expressive animal stickers, Calendar view of past entries, iCloud synchronization, Face ID security, Home screen widgets

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| odd Pro for a year | $24.99 | per year |
| odd Pro Forever | $49.99 | one-time |


## Frequently asked questions

### Is Diary! SmartDiary free?

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

### Is odd free?

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

### Do Diary! SmartDiary or odd have ads?

Diary! SmartDiary shows ads; odd does not.

### Which is updated more often, Diary! SmartDiary or odd?

Diary! SmartDiary ships an update every 3 months, and odd every 4 days. Most recently, Diary! SmartDiary was updated on October 17, 2026 and odd on October 1, 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.*