Answer the question.
Then read the page.
Your faculty’s past papers, your books, and a tutor that cites the page it read.
No spam — one email when early access opens.
Already have an account?Log in
Which chamber forms the apex of the heart?
The apex sits low and to the left, formed by the left ventricle — not the right.
3
question types
Choice, matching, and essays that get marked.
[1]
citation per claim
Every answer shows the page it came from.
1
module at a time
Nothing bleeds across terms.
0
colour, until it matters
Colour only ever means right or wrong.
Written answers, actually marked.
Most apps stop at multiple choice, because that is all they can grade. Try all three.
Which nerve supplies motor fibres to the diaphragm?
Practice modeTap an answer.
Sittings
Re-drilling doesn't flatter you
Redo the same question ten times tonight and it still counts once.
Question groups
Papers, not flashcards
A shared stem with parts (a), (b) and (c), exactly as the paper printed it.
Modes
Practice, exam, timed
Feedback each question, silence until the results page, or a countdown that moves on without you.
It reads your books.
Not the internet.
Ask anything. Coid answers from the pages uploaded for your module — and shows you which ones.
- Tap a citation, the real page opens
- Off-syllabus answers stay fenced
- Four answer lengths
- Speak to it, it speaks back
- History filed by module
Why is diaphragm pain felt in the shoulder?
The phrenic nerve carries sensory fibres from the central diaphragm and arises from spinal segments C3–C5. Those same segments supply the skin over the shoulder tip through the supraclavicular nerves, so the brain reads the signal as coming from the shoulder.
Your Anatomy notes · page 214
In the app, this opens the real page.
Tap any numbered pill above.
Your material, not a rewrite of it.
The real page, with a real pen in it. And every recorded lecture, written down.
Notes reader
Your PDF, with a pen in it
Diagrams and margins exactly where the book put them. Pen, highlighter, eraser — and hold a word to translate it in place.
The is supplied by the phrenic nerve, which arises from the third, fourth and fifth cervical spinal segments and descends through the thorax to reach it.
Transcripts
Read the lecture while you hear it
The spoken line stays lit. Tap another and the audio jumps. Medical terms open in English and Arabic.
Timestamped notes
Pinned to the second
A note remembers where you were. Tap its time weeks later and you land back there.
Bookmarks
Folders you name
Park a question anywhere you like, with an icon and a colour you chose.
Apple Pencil · S Pen
Double-tap to erase
The stylus button flips the tool without reaching for the toolbar. Undo and redo go back as far as you need.
No toolbar. Just the button.
It remembers what
you got wrong.
A mistake stays open until you answer it correctly. Reading the explanation does not close it.
- Open and fixed, two lanes
- Weak spots, ranked
- ×3 means three sittings missed
- Streak with a day of grace
- 30-day accuracy trend
Weak spots · Anatomy
6 openMediastinum
×3 sittings missed
Brachial plexus
×2 sittings missed
Cranial nerves
×1 sittings missed
74%
Mastery
61%
Coverage
18d
Exam in
Thorax revision
Q4 · The thoracic duct drains into…
A study room with no driver’s seat.
Everyone in the room moves the same page. Nobody hands over control, because nobody had it.
- Live cursors on the shared page
- Long-press to drop a ping
- The room keeps score
- Send work, not screenshots
- Private by default
One module at a time.
Switch the module and the whole app moves with it. Last term never turns up in this term. Switch it off and you get an empty screen, not a pile of everything.
The least glamorous thing we built. Try it →
- Questions842
- Mistakes23
- Bookmarks14
- Courses6
- LeaderboardAnatomy
Everything below is filtered to Module 101.
Three minutes to set up.
Scan your student card
The camera reads it and fills in your details. Pick your module.
Drill the real papers
Your faculty's own past questions. Written answers come back marked.
Ask Coid, read the page
Anything you missed, ask. The page it came from is one tap away.
Be there on day one.
Leave your email. We’ll send an invite the moment your faculty goes live.
No spam — one email when early access opens.