Comparison

Habit Builder vs Subrain

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

Head to head
About

Habit Builder

Features
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Transform your life, one brick at a time with Habit Builder - Brick by Brick. This innovative habit-building app is designed to help you turn your goals into reality by breaking them down into manageable, daily tasks. Watch your progress stack up, brick by brick, as you build the life you've always wanted. With Habit Builder - Brick by Brick, you'll get a visual representation of your progress, making it easy to see just how far you've come. Focus on what’s really important: start by working on one habit, check back daily and see your progress over time. Own your new habits as they become a part of your everyday life. Key features: β€’ Create a new habit based on the person you’d like to become β€’ Start building and watch your progress brick-by-brick β€’ Reflect on your habit progress in the habit notes β€’ Focus on your new habit for 10 days in the building stage β€’ Add another habit as soon as your first habit gets to the maintenance stage Terms of Use - standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Subrain

This minimalist note-taking app helps you remember important keywords and life directions. It offers a simple interface for jotting down tasks and life-defining thoughts, acting as an extension of your memory.

Highlights
  • Simple note writing
  • Organized pages for notes
  • Minimalist interface
  • Acts as an extra brain
  • Helps remember keywords
  • Tracks life directions
Features
Read full description

μš°λ¦¬λŠ” ν•˜λ£¨μ—λ„ λ§Žμ€ 일을 잊곀 ν•©λ‹ˆλ‹€. 그것이 ν•œ μ£Ό, ν•œ 달... 1λ…„ 이상 λˆ„μ λ˜λ©΄, μš°λ¦¬λŠ” μ–Όλ§ˆλ‚˜ λ§Žμ€ μ€‘μš”ν•œ ν‚€μ›Œλ“œλ₯Ό 잊으며 μ‚΄μ•„κ°€λŠ” κ±ΈκΉŒμš”? μ–΄μ©Œλ©΄ μΈμƒμ˜ 큰 λ°©ν–₯이 μ‘°κΈˆμ”© λ°”λ€” μˆ˜λ„ μžˆμŠ΅λ‹ˆλ‹€. μ΄λŸ΄λ•Œλ§ˆλ‹€, Subrain은 λ‹Ήμ‹ μ˜ μΈμƒμ—μ„œ μ΄μ •ν‘œ 같은 역할을 ν•  κ²ƒμž…λ‹ˆλ‹€. κ°„λ‹¨ν•œ ν•  일뢀터, 인생에 λŒ€ν•œ μ€‘μš”ν•œ ν‚€μ›Œλ“œλ₯Ό 마음껏 μ μ–΄λ³΄μ„Έμš”. Subrain은 λ³΅μž‘ν•œ 건 λ”± μ§ˆμƒ‰μΈ λ―Έλ‹ˆλ©€λ¦¬μŠ€νŠΈλ₯Ό μœ„ν•œ λ…ΈνŠΈμž…λ‹ˆλ‹€. 마치 λ‘λ‡Œκ°€ ν•˜λ‚˜ 더 생긴 κ²½ν—˜μ„ ν•΄λ³΄μ„Έμš”. λ…ΈνŠΈ μž‘μ„±, 그리고 λ…ΈνŠΈλ“€μ΄ λ‹΄κΈ΄ νŽ˜μ΄μ§€. 이 두 κ°€μ§€λ§Œ κΈ°μ–΅ν•˜μ„Έμš”. - We forget many things every day. If it accumulates over 1 month, 6 months... over a year, how many important keywords do we forget? Maybe the big direction of your life will change little by little. At times like this, Subrain will act like a milestone in your life. Feel free to write down everything from simple things to do to important keywords about your life. Subrain is a notebook for minimalists who hate complexity. Feel as if you have an extra brain. Just remember these two things: Writing notes and pages containing notes.

Screenshots

Habit Builder3 screens
Subrain4 screens

Verdict

The call

The clearest difference is in-app purchases: Subrain at none against Habit Builder's 2. Subrain also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support 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. Habit Builder sells 2 in-app purchases, starting at $3.99 per month. Subrain asks for nothing beyond the download.

UpkeepUpdate frequency

Habit Builder ships an update every 10 days, Subrain every 8 days. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

Scorecard2 real differences Β· 6 level
Habit Builder versus Subrain: the parameters behind the verdict, then further details
ParameterHabit BuilderSubrain
PriceFreeFree
Positive reviewsβ€”100.0% of reviews
Update frequencyEvery 10 daysEvery 8 days β€” better
AdsNoNo
In-app purchasesYesNo β€” better
Monetizationβ€”Free
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS17.015.0 β€” better
Further details β€” not scored
Size1 MB41 MB
Age rating4+4+
DeveloperAdam FeherJichan Hwang

In-app purchases

2 purchases

Habit Builder

Subscriptions2
  • Pro - Monthly$3.991 Month
  • Pro - Yearly7 Days trial$24.991 Year
None

Subrain

No in-app purchases

Questions

Is Habit Builder free?
Habit Builder is free to download, with in-app purchases available.
Is Subrain free?
Subrain is free to download, with no in-app purchases.
Do Habit Builder or Subrain have ads?
Neither Habit Builder nor Subrain shows ads.
Which is updated more often, Habit Builder or Subrain?
Habit Builder ships an update every 10 days, and Subrain every 8 days. Most recently, Habit Builder was updated on October 25, 2026 and Subrain on October 30, 2026.

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