72
BU Score
Strong
CollaNote: нотуй, пиши, малюй!
✍️ BU Analytics Review
“
CollaNote: нотуй, пиши, малюй! is an iOS app from Zauberberg Lab Company Limited in the Productivity category, currently rated 4.7★ across 13,450 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 72 — Strong (healthy traction). For a Productivity app, that means healthy traction.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 11 of 11 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (13,450 ratings)METRIC | +$5,500 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| Multilingual (31 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| support teamREVIEW | +$900 | |
| priceyREVIEW | −$800 | |
| Established app (5y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Apr 25
May 25
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 220 MB🔞 4+📱 iOS 18.6+🔖 v4.1.1🔄 updated 5d ago🌐 AR, BN, CA, HR, CS +26📂 Productivity💰 Paid🚀 Launched 2021 (5y old)
📝 About this app
CollaNote: Powerful note-taking app packed with a wide range of tools.
Note-taking, PDF markup, digital planning, and flashcards - all in one place!
BUILT FOR APPLE PENCIL WITH AN ENHANCED WRITING EXPERIENCE:
- 25+ different pens and brushes to transform your notes into artwork.
- Handwriting stabilizer for beautiful, smooth writing.
- Enjoy a calming ASMR note-taking experience.
- Infinite Arc Menu available for both Apple Pencil Pro and Apple Pencil Gen 2.
IMPORT, MARK-UP, AND EXPORT PDF:
- Import and mark up PDFs, PPTs, DOCs, and Images effortlessly.
- In-built scanner to digitize your physical documents.
- Export notes to PDF and share with ease.
POWERFUL TOOLS:
- Translation tool to learn new languages, supporting over 90 languages.
- Create flashcards with audio and images, or use our extensive library.
- Beautiful Planners for tracking tasks, deadlines, and schedules.
- Record and sync audio directly within your notes.
UNLIMITED PAPERS AND NOTEBOOKS:
- Unlimited paper with versatile grids/lines and 150+ colorful templates.
- Keep all your notes organized and easily accessible from anywhere.
- Automatically back up to iCloud and sync across iOS devices.
- Smart Dark Mode for optimal visibility in any lighting.
- Password protection for ultimate note security.
AI POWERED:
- Built-in AI Calculator for complex calculations.
- AI drawing tools for perfect shapes.
- Get intelligent writing and note-taking assistance.
- Generate unique stickers with AI.
ENGAGING CREATIVE COMMUNITY:
- Join the Public Room to connect with creators worldwide.
- Real-time collaboration function (unlimited participants).
CollaNote's journey began with a student at Hamburg University, who now leads a dedicated team of individuals devoted to delivering the finest digital paper experience. We extend our heartfelt gratitude to our users for their unwavering support since the early days of CollaNote.
Download CollaNote now to discover even more surprises!
Note-taking, PDF markup, digital planning, and flashcards - all in one place!
BUILT FOR APPLE PENCIL WITH AN ENHANCED WRITING EXPERIENCE:
- 25+ different pens and brushes to transform your notes into artwork.
- Handwriting stabilizer for beautiful, smooth writing.
- Enjoy a calming ASMR note-taking experience.
- Infinite Arc Menu available for both Apple Pencil Pro and Apple Pencil Gen 2.
IMPORT, MARK-UP, AND EXPORT PDF:
- Import and mark up PDFs, PPTs, DOCs, and Images effortlessly.
- In-built scanner to digitize your physical documents.
- Export notes to PDF and share with ease.
POWERFUL TOOLS:
- Translation tool to learn new languages, supporting over 90 languages.
- Create flashcards with audio and images, or use our extensive library.
- Beautiful Planners for tracking tasks, deadlines, and schedules.
- Record and sync audio directly within your notes.
UNLIMITED PAPERS AND NOTEBOOKS:
- Unlimited paper with versatile grids/lines and 150+ colorful templates.
- Keep all your notes organized and easily accessible from anywhere.
- Automatically back up to iCloud and sync across iOS devices.
- Smart Dark Mode for optimal visibility in any lighting.
- Password protection for ultimate note security.
AI POWERED:
- Built-in AI Calculator for complex calculations.
- AI drawing tools for perfect shapes.
- Get intelligent writing and note-taking assistance.
- Generate unique stickers with AI.
ENGAGING CREATIVE COMMUNITY:
- Join the Public Room to connect with creators worldwide.
- Real-time collaboration function (unlimited participants).
CollaNote's journey began with a student at Hamburg University, who now leads a dedicated team of individuals devoted to delivering the finest digital paper experience. We extend our heartfelt gratitude to our users for their unwavering support since the early days of CollaNote.
Download CollaNote now to discover even more surprises!
🆕 What's New · v4.1.1
- Improved Lasso Tool: The Lasso Tool now supports selectable content types: pen strokes, marker strokes, and boxes.
- Improved Translation Tool
+ Added 2 selection modes: rectangular selection and freehand selection.
+ Improved translation quality.
- Hover Support for Pen Tools: Added hover support for all pen tools.
- New Trash Bin UI: Redesigned the Trash Bin with a new interface.
- New Note History Feature: You can now manage the edit history of your notes and restore earlier versions.
- Bug Fixes and Performance Improvements
- Improved Translation Tool
+ Added 2 selection modes: rectangular selection and freehand selection.
+ Improved translation quality.
- Hover Support for Pen Tools: Added hover support for all pen tools.
- New Trash Bin UI: Redesigned the Trash Bin with a new interface.
- New Note History Feature: You can now manage the edit history of your notes and restore earlier versions.
- Bug Fixes and Performance Improvements
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- CollaNote: нотуй, пиши, малюй!
- Developer
- Zauberberg Lab Company Limited
- Bundle ID
- net.quochuywdm.collanote496
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- AR, BN, CA, HR, CS, DA, NL, EN, FR, DE, EL, HE, HI, HU, ID, IT, JA, KO, MS, NB, PL, PT, RO, RU, ZH, ES, TH, ZH, TR, UK, VI
Company
- Website
- www.collanote.com
- Tagline
- Top Free Note-Taking App for Students
- Description
- Top Free Note-Taking App for Students Effortless digital notes, infinite creativity, one powerful app.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $1.8K/mo
- Top-grossing rank
- Outside top 100 in US Productivity
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Phone
- 0981151707
- Contact page
- Not found
- About page
- Not found
📈Ratings growth13,450 ratings+122% lifetimeShow 3-year history estimate ▾
Tracked (42 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
