# Diary! SmartDiary vs ShareMemo

The clearest difference is review sentiment: Diary! SmartDiary at 93% against ShareMemo's 20%. ShareMemo's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (13.0 vs 15.0). On price, ads, 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 ShareMemo sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Diary! SmartDiary ships an update every 3 months, ShareMemo every 3 weeks. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Diary! SmartDiary | ShareMemo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (45 ratings)](https://appshunter.io/ios/app/diary-smartdiary/id1381186388/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | **93.3% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 79 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hideki Okuno](https://appshunter.io/developer/1234067922) | [Toshiaki Hayashi](https://appshunter.io/developer/1451156199) |

## 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 |


### ShareMemo

[App page](https://appshunter.io/ios/app/sharememo-notes-for-couples/id1584586692)

Easily create and share memos and to-do lists with a partner. Control which notes are shared and receive real-time updates. Cloud storage ensures your data is safe, and quick account linking allows for seamless multi-device use.

**Highlights:** Create and share memos, Create and share to-do lists, Convert between memo and to-do formats, Real-time updates on shared notes, Cloud storage for data safety, Account linking for multi-device use, Export memos to other apps

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus plan(monthly) | $2.99 | per month |
| Plus plan(yearly) | $29.99 | per year |
| Ad free | $5.99 | one-time |


## Frequently asked questions

### Is Diary! SmartDiary free?

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

### Is ShareMemo free?

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

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

Both Diary! SmartDiary and ShareMemo show ads.

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

Diary! SmartDiary ships an update every 3 months, and ShareMemo every 3 weeks. Most recently, Diary! SmartDiary was updated on October 21, 2026 and ShareMemo on October 12, 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.*