Comparison

ThreeLinesDiary vs BulletsMind

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

ThreeLinesDiary

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
Read full description

Write become just're autonomic nerve health. Write before going to bed, sleep quality is improved. 3-line diary which is said to have this effect. This app is an app that aims to write such a three-line diary. The has been prepared three items we wrote so good a word. In some cases, you might want be left with a photograph. In this app, you can save with a photo for each of the three items. Also to write every day, you might forget. In this app, by making a notification to the specified time, you will be able to habit to write at the same time each day.

About

BulletsMind

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
Read full description

A simple and easy-to-use outline processor. You can create hierarchical bulleted notes. Bullets Mind works fast and helps you organize your ideas and information. It applies the usability of the mind map application to the outline processor. For example, it is used in the following situations. * Notes for organizing ideas * Organize information with bullet points * Creating a table of contents * Report creation * Writing papers * Proposal creation * Task management * Goal management In addition to this, there are reports of various uses because it can be used for anything to manage outlines. If you are looking for an outline organization or memo writing tool, please try it once. It is also ideal for those who want a vertical mind map when creating a mind map on a smartphone. # Features * Intuitive operability Ease of use is the most important thing for simple functions. It operates quickly and can be used intuitively for editing. * Rich expression It also supports coloring and can be expressed to your liking. * To-do management You can insert the progress rate for each topic and use it for ToDo management. * Link Links can be inserted for each topic, which is convenient when you want to manage reference sites. * Detailed note function You can insert detailed explanations for each topic, so you can create sentences while organizing the outline with bullet points. * Ready to use You can use it immediately without registering an account. * Export and share You can export the created outline information and share it or edit it on your PC. * Multi-Device Support Sync seamlessly across multiple devices via Google Drive. * Dark theme support Since it supports a dark theme, it is also ideal for use at night.

Screenshots

ThreeLinesDiary4 screens
BulletsMind4 screens

Verdict

The call

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.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

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.

Scorecard5 real differences Β· 3 level
ThreeLinesDiary versus BulletsMind: the parameters behind the verdict, then further details
ParameterThreeLinesDiaryBulletsMind
PriceFreeFree
Positive reviews75.0% of reviews100.0% of reviews β€” better
Update frequencyEvery 6 monthsEvery 3 weeks β€” better
AdsYesNo β€” better
In-app purchasesNo β€” betterYes
MonetizationAd-supported β€” betterFreemium
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS15.0 β€” better15.6
Further details β€” not scored
Size7 MB48 MB
Age rating4+4+
DeveloperSeiji NaganoYUKI TANAIKE

Customer experience

ThreeLinesDiary

Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

BulletsMind

Written reviews14 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ThreeLinesDiary

No in-app purchases

2 purchases

BulletsMind

Subscriptions2
  • BulletsMind Pro Version Monthly$1.491 Month
  • BulletsMind Pro Version Annual$12.991 Year

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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