# Mo Diary vs Calday

The clearest difference is update cadence: Calday at every 4 days against Mo Diary's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mo Diary sells 1 one-off in-app purchase and Calday sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Mo Diary ships an update every 7 months, Calday every 4 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Mo Diary | Calday |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/mo-diary-diary/id1560843305/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 44 MB |
| Requires iOS | 15.0 | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Krivorotko](https://appshunter.io/developer/1552600319) | [Hefei Xiguoke Technology Co., Ltd.](https://appshunter.io/developer/1546692926) |

## What reviewers say

### Mo Diary

[App page](https://appshunter.io/ios/app/mo-diary-diary/id1560843305)

This app helps you record and organize your life's moments. Save important events, notes, and memories with the ability to add photos, filter, and search entries. A premium version offers advanced features like PDF export and password protection.

**Highlights:** Store and organize notes and memories, Add images to entries, Filter and search entries by date or text, Auto-saving of content, Password and biometric login, iCloud data synchronization

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium version | $2.99 | one-time |


### Calday

[App page](https://appshunter.io/ios/app/calday-simple-daily-journal/id6748715080)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month PRO | $2.99 | one-time |
| Year PRO | $19.99 | one-time |


## Frequently asked questions

### Is Mo Diary free?

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

### Is Calday free?

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

### Do Mo Diary or Calday have ads?

Neither Mo Diary nor Calday shows ads.

### Which is updated more often, Mo Diary or Calday?

Mo Diary ships an update every 7 months, and Calday every 4 days. Most recently, Mo Diary was updated on November 3, 2026 and Calday on October 30, 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.*