# ThreeLinesDiary vs Min & Sec Timer

The clearest difference is in-app purchases: ThreeLinesDiary at none against Min & Sec Timer's 2. Min & Sec Timer's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 6 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Min & Sec Timer sells 2 one-off in-app purchases. ThreeLinesDiary asks for nothing beyond the download.

ThreeLinesDiary ships an update every 6 months, Min & Sec Timer every 2 weeks. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ThreeLinesDiary | Min & Sec Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (13 ratings)](https://appshunter.io/ios/app/min-and-sec-timer/id1583602831/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 7 MB | 2 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seiji Nagano](https://appshunter.io/developer/689628441) | [Tomohisa Uchida](https://appshunter.io/developer/1528844323) |

## What reviewers say

### ThreeLinesDiary

[App page](https://appshunter.io/ios/app/threelinesdiary/id1161808671)

A simple journaling app designed to improve sleep quality by encouraging users to write a three-line diary entry before bed. It allows for photo attachments and provides daily reminders to help build a consistent writing habit.

**Highlights:** Three-line daily journal entries, Attach photos to entries, Daily writing reminders, Improve sleep quality, Simple and intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Min & Sec Timer

[App page](https://appshunter.io/ios/app/min-and-sec-timer/id1583602831)

This utility allows you to set and manage multiple timers simultaneously, perfect for tasks like cooking or complex routines. Customize alarms, add labels, and switch between light and dark modes for a personalized experience.

**Highlights:** Minute/second timer, Multiple timer support, Add, edit, and delete timers, Customizable alarm sounds, Timer labels, Lap timer functionality, Dark and light modes

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Unlimited Alarm | $1.99 | one-time |


## Frequently asked questions

### Is ThreeLinesDiary free?

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

### Is Min & Sec Timer free?

Min & Sec Timer is free to download, with in-app purchases available.

### Do ThreeLinesDiary or Min & Sec Timer have ads?

ThreeLinesDiary shows ads; Min & Sec Timer does not.

### Which is updated more often, ThreeLinesDiary or Min & Sec Timer?

ThreeLinesDiary ships an update every 6 months, and Min & Sec Timer every 2 weeks. Most recently, ThreeLinesDiary was updated on October 24, 2026 and Min & Sec Timer on October 6, 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.*