Our take
Pick Heynote if developers who will stay on Free while they keep a first Scratch math + JSON buffer — then keep it at $0, not Obsidian Sync $4 first unless they want an encrypted vault, and not if they need native sync or a mobile app (this is a local desktop buffer). Pick Soulver if people who will finish the 60-day trial then pay $59 to keep a readable calc sheet — not Heynote $0 first unless they only want a
Best for
Heynote A scratch buffer you start at a public $
Soulver Run the numbers in a sheet you can read
Free plan
Heynote No free plan
Soulver No free plan
Lowest paid
Heynote Not published by the vendor
Soulver Setapp $15/mo
Watch out
Heynote No native sync / no mobile app
Soulver You buy a major
Last checked
Heynote 2026-10-23 · heynote.com
Soulver 2026-10-26 · soulver.app
developers who will stay on Free while they keep a first Scratch math + JSON buffer — then keep it at $0, not Obsidian Sync $4 first unless they want an encrypted vault, and not if they need native sync or a mobile app (this is a local desktop buffer).
Read the Heynote pagepeople who will finish the 60-day trial then pay $59 to keep a readable calc sheet — not Heynote $0 first unless they only want a scratch buffer.
Read the Soulver page
