iOS app
from Hefei T-Stack Information Technology Co., Ltd.
· Productivity
ML forecast★ 4.6 · 5K+868.0% MoMFreemium
~255/mo
ML revenue forecast.
Calibrated against 2218 apps in this category.
Confidence band
±15%
High — many comparable apps with verified data
At a glance
Earns 4.0× less than the category median (1.0K/mo).
Ranks #1,704 of 2,218 in Productivity (top 76.8% by revenue).
Ratings volume grew 868.0% over the last 30 days, suggesting active user acquisition.
Launched Jun 12, 2020 · last updated Apr 27, 2026.
24 months of snapshot history tracked.
Kilonotes-Notes & Mark up PDF's revenue trajectory
Forecast revenue from snapshot history. Last 24 months.
Where Kilonotes-Notes & Mark up PDF sits in Productivity
Revenue distribution of 2218 comparable apps. Kilonotes-Notes & Mark up PDF highlighted.
Kilonotes-Notes & Mark up PDF vs comparable apps
Revenue trajectory side-by-side. Bold = Kilonotes-Notes & Mark up PDF, ghosted = peers.
App spec
Version
3.39.1
Last update
Apr 27, 2026
Launched
Jun 12, 2020
Min OS
15.6
Rating
4+
Price
Free
Monetization
Freemium
Languages
AR, CS, NL, EN +18
What Kilonotes-Notes & Mark up PDF actually does (from App Store listing)
We sincerely invite you to join us in exploring more efficient ways of taking notes and jointly reshape the modern learning mode. As a companion exploring new ways of taking notes, Kilonotes can meet your various needs. Whether it is recording class notes, annotating PDFs, doing test exercises, studying online courses, or organizing reading notes, Kilonotes will be your reliable study partner. Let's take good notes together.
[Breakthrough the limitations of paper]
·Handwriting can be moved, sca…
We sincerely invite you to join us in exploring more efficient ways of taking notes and jointly reshape the modern learning mode. As a companion exploring new ways of taking notes, Kilonotes can meet your various needs. Whether it is recording class notes, annotating PDFs, doing test exercises, studying online courses, or organizing reading notes, Kilonotes will be your reliable study partner. Let's take good notes together.
[Breakthrough the limitations of paper] ·Handwriting can be moved, scaled and rotated freely ・You can undo what you entered ·The size of the eraser can be adjusted to control the erasing range ·Scale paper function to make writing more comfortable You can insert pictures or photos, and combine text and pictures to deepen memory · Quick browsing function to help you quickly find what you need · Unlimited creation of paper, providing endless memory space ·Recording function, allowing you to take notes while listening to lectures ·Card function, create an exclusive knowledge base, you can create your card through pictures, brushes, and typing OCR function, convenient and fast text extraction A variety of fun-but-practical Journaling templates
[Optimized reading experience] ·Global PDF search, quickly find what you need in the database · Outline function, convenient and fast positioning Multiple reading modes: eye protection, dark color, vision protection · Quick jump function, enter the page number to quickly navigate ·Translation function to help foreign language literature reading ·Extraction function, easy to collect important information ·PDF extension function, make reading and writing more free
[Beyond the limits of the brush] · Change brush color, create custom colors, or pick any color with the eyedropper ·Adjustable brush width to adapt to various scenes ·Graffiti pen function, make notes more colorful
[Custom Notebook] ·Provide many unique and beautiful covers for you to choose ·A variety of paper templates are available: blank paper, dot matrix paper, graph paper, to meet your needs ·You can import PDF and record freely in your own notebook
[AI Assistant] • Built-in high-efficiency AI assistant helps you organize notes, expand knowledge points, and double your learning and work efficiency. • Exclusive AI problem-solving function supports selecting questions and sending them with one click, helping you easily overcome learning difficulties.
[About subscription] Users can subscribe to the monthly subscription service of kilonotes to unlock advanced content, including custom time planning books. The subscription will be automatically renewed. If the user needs to cancel the subscription, the renewal needs to be closed 24 hours before the end of the current cycle. Users can close and cancel subscriptions and trials in their iTunes account.
Contact us: feedback@top-stack.com Privacy Policy: https://www.top-stack.com/page/ios_en_privacy.html User agreement: https://www.top-stack.com/page/Kilonotes_Terms_of_use_En.html
Comparable iOS apps
The five apps in Productivity with the closest revenue to Kilonotes-Notes & Mark up PDF. Click any to see its detail page.
Each forecast combines App Store rating, ratings count, monetisation model, pricing tier, IAP signals and ad-supported flag.
The base estimate is then multiplied by a per-category scaling factor learned from apps with founder-verified MRR.
Every number on this page comes from public APIs and bumetric's own snapshot history.
Full methodology covers input variables, accuracy bands per category and how we treat apps without comparable anchors.
See also the live data on Kilonotes-Notes & Mark up PDF's tracker page for current rating, reviews and snapshot timeline.
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