# 3sec Diary vs Memox Journal

The clearest difference is update cadence: Memox Journal at every 2 months against 3sec Diary's every 26 months. 3sec Diary's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. 3sec Diary sells 1 one-off in-app purchase and Memox Journal sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

3sec Diary ships an update every 26 months, Memox Journal every 2 months. The most recent releases landed on November 1, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | 3sec Diary | Memox Journal |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 26 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 7 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KENJI KANEMOTO](https://appshunter.io/developer/402720982) | [Akira Kamada](https://appshunter.io/developer/1838872985) |

## What reviewers say

### 3sec Diary

[App page](https://appshunter.io/ios/app/3sec-diary/id985967203)

Quickly log daily activities and feelings in just three seconds. Your entries are securely stored in your iPhone Calendar, ensuring data safety and easy access. This tool helps you preserve memories and makes research and sharing effortless.

**Highlights:** 3-second daily logging, Calendar integration, Secure data storage, Easy research and sharing, Memory preservation

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eliminate Ads | $0.99 | one-time |


### Memox Journal

[App page](https://appshunter.io/ios/app/memox-journal/id6763280090)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memox Plus Monthly | $1.99 | per month |
| Memox Plus Yearly | $24.99 | per year |
| Memox Plus Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is 3sec Diary free?

3sec Diary is free to download, with in-app purchases available.

### Is Memox Journal free?

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

### Do 3sec Diary or Memox Journal have ads?

Both 3sec Diary and Memox Journal show ads.

### Which is updated more often, 3sec Diary or Memox Journal?

3sec Diary ships an update every 26 months, and Memox Journal every 2 months. Most recently, 3sec Diary was updated on November 1, 2026 and Memox Journal on November 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*