# 3sec Diary vs MyDays

The clearest difference is in-app purchases: MyDays at none against 3sec Diary's 1. MyDays also leads on ads (none vs shown) and review sentiment (86% vs 60%). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 3sec Diary sells 1 one-off in-app purchase. MyDays asks for nothing beyond the download.

3sec Diary ships an update every 26 months, MyDays every 30 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 3sec Diary | MyDays |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (11 ratings)](https://appshunter.io/ios/app/mydays-the-quick-journal/id1284108470/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | 60.0% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 26 months** | Every 30 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 8 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KENJI KANEMOTO](https://appshunter.io/developer/402720982) | [Owen Davis-Bower](https://appshunter.io/developer/1284108469) |

## 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 |


### MyDays

[App page](https://appshunter.io/ios/app/mydays-the-quick-journal/id1284108470)

A simple journaling app designed for busy individuals to quickly record daily highs and lows. It features a minimalist interface, customizable reminders, and tools to analyze mood trends over time.

**Highlights:** Quick daily journaling, Minimalistic and intuitive UI, Daily reminder scheduling, Mood trend analysis, Daily stats viewing

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

**In-app purchases:** none


## Frequently asked questions

### Is 3sec Diary free?

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

### Is MyDays free?

MyDays is free to download, with no in-app purchases.

### Do 3sec Diary or MyDays have ads?

3sec Diary shows ads; MyDays does not.

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

3sec Diary ships an update every 26 months, and MyDays every 30 months. Most recently, 3sec Diary was updated on October 21, 2026 and MyDays on October 24, 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.*