Plank Timer is your workout timer and exercise timer for planks, core workouts, and 30-day plank challenges. Customize intervals, follow clear audio cues, and track streaks to stay motivated. Use it for quick home sessions or structured workouts.

Why Plank Timer:
- Plank & workout timer — built for planks, core workouts, abs challenges
- Custom intervals — set work/rest, difficulty, auto-progressions, and repeats.
- 30-day plank challenges — beginner to advanced plans to build consistency.
- Core workout focus — strengthen abs and obliques, improve posture and stability.
- Progress & streaks — history, personal bests, and daily reminders keep you on track.
- Social features — share results and challenge friends to stay accountable.
- No equipment needed — effective home workouts in minutes a day.

How it works:
- Pick a preset or create a custom exercise timer routine.
- Start the workout timer and follow the audio-guided sets and rests.
- Track progress, maintain your streak, and join a plank challenge.

Explore plank variations to target different muscles, from standard and side planks to advanced holds. Whether you’re starting your first 30-day plank challenge or leveling up your core workouts, Plank Timer makes training simple, effective, and consistent.