CoNotes
Made for students · for the pen

Write by hand.
Ask about anything.
Study together.

CoNotes is the notes app for your tablet and pen – with an AI you can simply point at, tools for lectures and exams, and friends to study with.

Download for AndroidAPK 0.8.8⏳ Coming soon to Google Play
How do I install the APK?
  1. Tap “APK” on your Android tablet or phone. Google Drive may say it can’t scan the file for viruses – tap “Download anyway”.
  2. Open the downloaded file (notification or Files app → Downloads).
  3. Android asks once to allow installing apps from your browser or Files app: tap Settings → allow → go back.
  4. Tap “Install”. Done – CoNotes is in your app list.

Updates: download the new APK the same way and install it over the old one – your notes stay. Once CoNotes is on Google Play, switch to the Play version for automatic updates (uninstall the APK first; back up your notes with Google Drive sync).

✦ Ask AI Lecture 5 x² + 3x = 10 Solve this step by step Follow-up question…
No adsNo trackingNotes stay on your deviceUse your own AIWorks offline

Everything your notes need

From the first lecture to the exam: write, understand, learn – in one place.

Quadratic equations x² + 3x = 10 ✦ AI x² + 3x − 10 = 0 (x + 5)(x − 2) = 0 x = −5 or x = 2 Why do we factor?

Circle it. Ask it.

Draw a loop around a formula, a diagram or a paragraph and ask the AI about exactly that part.

  • Explain, solve step by step, translate, check your work
  • Follow-up questions in a chat beside your page
  • Bring your own AI: Claude, Gemini, ChatGPT or Ollama
Summary with the key figure cut out

Slides and lectures, sorted.

Import the lecture PDF or PowerPoint and write right on it – or in the comment strip beside each slide.

  • Record the lecture as text and mark important moments
  • Summaries with the key figures cut out of the slides
  • Find anything: typed text, slide text and your handwriting
What does the G-protein do? It activates adenylate cyclase → cAMP Again Hard Good Easy

Flash cards that come back at the right time.

Turn a page into flash cards in seconds and learn them with spaced repetition – cards return right before you would forget them.

  • Again · Hard · Good · Easy, like Anki
  • Edit, move and search your cards
  • Or send them straight to AnkiDroid
Miastudying Biology · 42 min

Study together.

Add friends, see who’s studying, and meet in pixel-art study rooms with chat, voice and focus sessions.

  • Write on the same note at the same time
  • Nearby over Bluetooth & Wi-Fi, or online from anywhere
  • Study timer, goals and weekly stats

And a lot more

✏️

Writes like paper

Low-latency pen with pressure, smoothing, marker, eraser and scribble-to-erase.

📐

Shapes & ruler

Hold to straighten lines and shapes, or draw along the ruler.

📓

Paper your way

Infinite canvas or notebooks: blank, lined, grid, dotted, Cornell, music.

🖼️

Pictures in one tap

Free pictures from Wikimedia Commons, with the credit added for you.

☁️

Your own Drive

Optional sync to your own Google Drive – between tablet and phone.

📥

Brings your notes

Import PDFs, Word, PowerPoint, Markdown, Evernote and more.

Your notes are yours

Privacy isn’t a setting in CoNotes – it’s how it’s built.

Stays on your deviceNotes live on your tablet. Sync only goes to your own Google Drive.
Your AI, your choiceOnly what you circle is sent – to the AI you picked, when you ask.
No ads. No tracking.No advertising and no analytics. Online features are optional.

Like CoNotes? Buy me a coffee

CoNotes is made by one student and is free, without ads. If it helps you through your studies, a small tip keeps it going and growing.

Completely optional – everything in the app stays free.

☕ Support on Ko-fi

Questions

Is CoNotes free?

Yes. All features are free and there are no ads. If you like, you can support the project with a tip.

Do I need an AI subscription?

No. CoNotes works without any AI. For AI features you connect the provider you like – some, like Gemini, have a free tier.

Which devices does it run on?

Android tablets and phones with Android 10 or newer. It’s made for writing with a stylus, but works with your finger too.

Does it work offline?

Yes – writing, your notes, flash cards and the study timer all work offline. AI, sync and study rooms need the internet.

Where are my notes stored?

On your device. If you turn on sync, they are also stored in a hidden folder of your own Google Drive.

Ready to take better notes?

CoNotes is coming to Google Play soon.

Download for AndroidAPK 0.8.8⏳ Coming soon to Google Play