Tumbler Timer Pro
Rock Tumbling Made Simple
$0.99 · Designed for iPad. Not verified for macOS.
Track every stage of your rock tumbling journey. Set timers, manage multiple tumblers, and polish your way to beautiful gemstones with the ultimate tumbling companion.
Tumbler Timer Pro is the essential companion app for rock tumbling enthusiasts. Whether you're a beginner polishing your first agates or an experienced lapidary running multiple tumblers, this app keeps your batches on track from rough rock to brilliant gemstone.
SMART BATCH TRACKING
• Create and manage multiple batches simultaneously
• Track progress through each tumbling stage with visual indicators
• Set custom stage durations from hours to weeks
• Add notes and photos to document your journey
• Rate finished batches and track your success over time
FLEXIBLE STAGE MANAGEMENT
• Choose from preset recipes (3-step, 4-step, 5-step)
• Create unlimited custom recipes for different rock types
• Configure default grit stages to match your preferred workflow
• Adjust stage durations on the fly as needed
MULTI-TUMBLER SUPPORT
• Add all your tumblers - rotary, vibratory, or both
• Assign batches to specific tumblers
• See at a glance which tumblers are running and which are available
• Track maintenance and usage for each machine
STAY INFORMED
• Get notified when stages complete - never miss a grit change
• Set quiet hours so notifications respect your schedule
• Optional daily check reminders to inspect your batches
• Early warning alerts before stage completion
ROCK IDENTIFICATION GUIDE
• Built-in reference guide for common tumbling rocks
• Mohs hardness ratings and tumbling tips for each stone
• Interactive Rock ID Wizard to help identify unknown specimens
• Learn which rocks tumble well together
TRACK YOUR PROGRESS
• View lifetime statistics - batches completed, hours tumbled, rocks polished
• Unlock achievements as you reach milestones
• Monitor your current and longest tumbling streaks
• See your average batch success ratings
DESIGNED FOR ALL DEVICES
• Beautiful dark interface that's easy on the eyes
• Optimized for both iPhone and iPad
• Works great on all screen sizes
Whether you're tumbling Lake Superior agates, beach jasper, or backyard finds, Tumbler Timer Pro helps you achieve that perfect polish every time. Download now and start your next batch!
Ratings & Reviews
Version 1.1.3
- New App Icon
The developer, Scott Manley, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Scott Manley
- Size
- 8.6 MB
- Category
- Utilities
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Scott Manley
