# 3sec Diary vs LazyDiary

The clearest difference is review sentiment: LazyDiary at 100% against 3sec Diary's 60%. LazyDiary also leads on in-app purchases (none vs 1) and update cadence (every 4 days vs every 26 months). On price, ads, device support and iOS requirement there is nothing between them.

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

3sec Diary ships an update every 26 months, LazyDiary every 4 days. The most recent releases landed on July 4, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 3sec Diary | LazyDiary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (11 ratings)](https://appshunter.io/ios/app/lazydiary-daily-diary-journal/id6443727421/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 26 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 12 MB | 75 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KENJI KANEMOTO](https://appshunter.io/developer/402720982) | [Ryunosuke Nagase](https://appshunter.io/developer/1506451599) |

## 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 |


### LazyDiary

[App page](https://appshunter.io/ios/app/lazydiary-daily-diary-journal/id6443727421)

This app simplifies daily journaling by allowing users to record thoughts like notes, line by line. It integrates with your calendar to suggest topics and sends daily reminders to help build a consistent habit. A clean, secure interface with password and biometric unlock ensures privacy.

**Highlights:** Note-style recording, Calendar integration for prompts, Daily notification reminders, Simple, intuitive design, Password and biometric security

**In-app purchases:** none


## Frequently asked questions

### Is 3sec Diary free?

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

### Is LazyDiary free?

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

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

Both 3sec Diary and LazyDiary show ads.

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

3sec Diary ships an update every 26 months, and LazyDiary every 4 days. Most recently, 3sec Diary was updated on July 4, 2026 and LazyDiary on September 26, 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.*