01
A race clock that respects real tables
Run solo, pair, or team attempts with deliberate start, pause, resume, penalty, DNF, and finish controls that keep accidental taps out of your result.
Offline jigsaw race timer
Physical puzzle practice
PieceSprint
Turn every physical jigsaw into a measurable sprint, then unlock unlimited records, custom stages, insights, and data tools with a USD 0.99 one-time Pro purchase — never a subscription.
Current heat
1,000-piece landscape
38:42.6
01Sort
02Edges
03Sections
04Final fit
Pair modeNext split
Built for the puzzle table
Start clean. Split fast. Learn from every finish.
02
Stages reveal where the time went
Split sorting, edges, sections, and final fit—or create a Pro template that matches your own physical solving process.
03
Private history becomes useful evidence
Review results, compare personal bests, and inspect Pro trends without an account, cloud sync, ads, analytics, or required internet connection.
One-time unlock
PieceSprint Pro · USD 0.99
Unlock unlimited puzzles, rosters, and attempts, build custom stage templates, explore deeper insights, and export CSV or validated JSON. Buy once—no subscription.
Core timer stays free
Enough room to prove the workflow
- 5 active physical puzzles
- 3 reusable participant rosters
- 20 completed or DNF attempts
- Solo, pair, and team timing with built-in stages