Personal research

CuriosityTracker

CuriosityTracker is a quiet place to hold questions, notes, links, PDFs, tags, and resurfacing dates so ideas can return at the right moment.

App information

Platform
Available on iOS
Sync
Optional iCloud sync via Apple CloudKit
Privacy
No ads, no tracking, no analytics
Last updated
29 April 2026

Frequently asked questions

What is CuriosityTracker?

CuriosityTracker is a personal iOS app for capturing questions, organising curiosities, and resurfacing ideas over time.

Who is CuriosityTracker for?

Curious people, students, researchers, and lifelong learners who collect questions and ideas and want them to come back at the right moment instead of getting lost in notes.

What can I save?

Questions, notes, links, PDFs, tags, statuses, dates, and resurfacing prompts. Each curiosity keeps its notes, source link, tags, and timeline together, and the library can be filtered by status.

Does CuriosityTracker sync?

Optionally. Content is stored on your device, and when iCloud is enabled it syncs through your own private iCloud database.

Does CuriosityTracker track me?

No. CuriosityTracker has no ads, no tracking, and no analytics.