Infinite canvas notes in the Poincaré disk
Shares rank 12 of 33 note-taking apps by recommenders
Recommended as a smooth, unusual way to lay out notes and concepts on a hyperbolic infinite canvas. The most common caveat is that the rotation effect when panning is disorienting.
Recommended as a smooth, unusual way to lay out notes and concepts on a hyperbolic infinite canvas. The most common caveat is that the rotation effect when panning is disorienting.
16 people gave an opinion
- recommend it
- 16
- criticize it
- 0
- approval share
- 100%
Recommended in 1 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 16 people recommend itNeeds 10 or more, met.
- Nobody criticizes itNeeds 2 to 1 or better, met.
- Recommended in 1 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Smooth, unique interface concept
“Very interesting user interface concept, and smooth implementation.”
Comment from 6 Jun 2026 in “Show HN: Infinite canvas notes in the non-Euclidean Poincaré disk” “really unique experience. so smooth.”
Comment from 2 Jun 2026 in “Show HN: Infinite canvas notes in the non-Euclidean Poincaré disk” Fun app with daily-use potential
“I love it -- would like to use this daily.”
Comment from 6 Jun 2026 in “Show HN: Infinite canvas notes in the non-Euclidean Poincaré disk” “fun app, feel like theres something here”
Comment from 6 Jun 2026 in “Show HN: Infinite canvas notes in the non-Euclidean Poincaré disk”
What people warn about
Each mark is one comment
Rotation when panning disorients users
“The holonomy effect (view is rotated when coming back to the same point) in particular is very disorienting.”
Comment from 7 Jun 2026 in “Show HN: Infinite canvas notes in the non-Euclidean Poincaré disk” “I really like this, but moving around a bit I find that things kind of seem to rotate which is disorienting.”
Comment from 7 Jun 2026 in “Show HN: Infinite canvas notes in the non-Euclidean Poincaré disk” “the rotation effect makes it a bit confusing compared to normal space”
Comment from 7 Jun 2026 in “Show HN: Infinite canvas notes in the non-Euclidean Poincaré disk”
Other note-taking apps people recommend
The four most recommended other note-taking apps, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| Obsidian | 447 | 145 | 76% | 12 | 1 yr13 owners | Approved |
| Org mode | 175 | 37 | 83% | 12 | 10 yrs16 owners | Approved |
| Notion | 91 | 123 | 43% | 12 | 7 yrs4 owners | — |
| Logseq | 52 | 28 | 65% | 11 | — | — |
| Infinite canvas notes in the Poincaré diskThis page | 16 | 0 | 100% | 1 | — | — |
What people said
All 17 comments that mention it, newest first. Each links to the original comment.
“I really like this, but moving around a bit I find that things kind of seem to rotate which is disorienting.”
“the rotation effect makes it a bit confusing compared to normal space”
“The holonomy effect (view is rotated when coming back to the same point) in particular is very disorienting.”
“I like it. The one thing I'd absolutely add is a color difference between the background and the circle”
“It worked on my Android tablet but I can't scribble a note and draw a picture/diagram with the stylus.”
“This is neat. I built an LLM once that stored its embeddings in poincare space”
“I tried it out on an iPad and it seems to work fine.”
“This is ideal for large argument maps”
“The points and arrows do move and change shape appropriately while panning, but the images and text do not.”
“it's just not how my brain thinks about concept relationships”
“I love it -- would like to use this daily.”
“fun app, feel like theres something here”
“stylus for entry and fingers for navigation would make it very efficient”
“Very interesting user interface concept, and smooth implementation.”
“I don't want to be fucking around with trying to move the canvas just right to read a note under another note”
“I really like the approach but it'd certainly be nice to be able to use alternate topologies.”
“really unique experience. so smooth.”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.