# ThreeLinesDiary vs BulletsMind

The clearest difference is in-app purchases: ThreeLinesDiary at none against BulletsMind's 2. BulletsMind's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 6 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. BulletsMind sells 2 in-app purchases, starting at $1.49 per month. ThreeLinesDiary asks for nothing beyond the download.

ThreeLinesDiary ships an update every 6 months, BulletsMind every 3 weeks. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ThreeLinesDiary | BulletsMind |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Freemium |
| Size | 7 MB | 48 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Seiji Nagano](https://appshunter.io/developer/689628441) | [YUKI TANAIKE](https://appshunter.io/developer/478558546) |

## 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


### BulletsMind

[App page](https://appshunter.io/ios/app/bulletsmind-simple-outliner/id1629214528)

This app helps you organize ideas and information using a hierarchical bulleted note system. It combines the usability of mind mapping with outline processing, supporting features like coloring, task management, and link insertion. Export your outlines or sync them across devices.

**Highlights:** Hierarchical bulleted notes, Intuitive operability, Rich expression with coloring, To-do management with progress rates, Link insertion for reference sites, Export and share outlines, Multi-device sync via Google Drive

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BulletsMind Pro Version Monthly | $1.49 | per month |
| BulletsMind Pro Version Annual | $12.99 | per year |


## Frequently asked questions

### Is ThreeLinesDiary free?

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

### Is BulletsMind free?

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

### Do ThreeLinesDiary or BulletsMind have ads?

ThreeLinesDiary shows ads; BulletsMind does not.

### Which is updated more often, ThreeLinesDiary or BulletsMind?

ThreeLinesDiary ships an update every 6 months, and BulletsMind every 3 weeks. Most recently, ThreeLinesDiary was updated on September 24, 2026 and BulletsMind on September 17, 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.*