Every dive tells a story. Slate keeps the record.
A professional dive logbook for iPhone. Import wirelessly from your dive computer, log every parameter that matters, track your career stats, and export your data whenever you want. Your logbook stays on your device.
Available now on the App Store. Free to download.
Your dives. Every detail.
Every Parameter, Every Dive
Depth, bottom time, gas mix, water temperature, visibility, safety stop, surface interval, buddy, and notes. Capture your gear configuration down to suit type, weights, and tank. Star-rate each dive and tag your site with GPS coordinates.
Each dive gets a full depth profile chart, complete gas details, and room for personal notes. Air, nitrox, and trimix logging with complete mix details.
Wireless Dive Computer Import
Download dives directly from your dive computer over Bluetooth. Shearwater, Suunto, Mares, Oceanic, and more. No cable, no laptop, no vendor app required.
Incremental sync means only new dives transfer. Depth profile data is preserved from each download. UDDF file import also supported for any compatible computer.
Track your progress across every dive.
Career Dashboard
Total dives, accumulated bottom time, deepest dive, personal bests, and annual goals -- all on one screen. Dive frequency heatmap and depth and temperature trend charts show how your diving evolves over time.
On-Device Analysis
Pattern recognition across your dive history -- without sending your data anywhere. The analysis runs entirely on your phone. Available on iPhone 15 Pro and later.
Your data goes where you want it.
Professional Dive Cards
Share any dive as a polished card with your depth profile, stats, gas mix, and dive site. Send it to a buddy, post it to a group chat, or save it for your records. Every card is branded with your profile and looks sharp.
Export Freely. Always.
CSV for spreadsheets. UDDF for interoperability with other dive software. Export is always free -- no paywall, no restrictions, no limits. Your data is never locked in.
Full backup and restore keeps your logbook safe. iCloud sync across devices.
Download dives from your desk.
Free macOS Companion
Slate Link connects to your dive computer from your Mac over Bluetooth, downloads your dives, and syncs them to your Slate logbook via iCloud. Same wireless import, from your desktop. Free on the Mac App Store.
A logbook that works the way you dive.
No Account. No Sign-Up. Your Device.
Slate stores everything on your device. No sign-up required, no third-party server. iCloud sync keeps your logbook safe across devices. Open the app and start logging.
One Logbook for Every Computer
Shearwater and Suunto in the same logbook. Mares and Oceanic side by side. Whatever you dive with, Slate imports it. No more switching between vendor apps.
Log Every Dive. Free.
Core logging, dive computer import, search, and export are free. No dive limit. No trial period. Slate Premium unlocks career analytics, trends, on-device analysis, and advanced features.