Below: Scuba Dive Log & Sites

10,000+ curated dive sites, universal Bluetooth dive logging, and a growing marine-life catalog. Your dive log stays on your device.

YOUR DIVE LOG
Log every dive with full detail: depth, duration, temperature, gas mixes, SAC rate, visibility, conditions, photos, and notes. Import directly from your dive computer, or enter manually. On iOS 26 you can scan paper logbooks with the camera and import years of past dives in one pass.

WORKS WITH 100+ COMPUTERS
Bluetooth sync with Shearwater, Suunto, Oceanic, Mares, Aqualung, Scubapro, and 100+ other models via libdivecomputer. Garmin FIT files and Apple Watch dives are supported too. Migrating from MacDive or Subsurface? Below imports your history.

BELOW PASSPORT
Your diving, in one place: the countries you've dived in, your dive count and the year you started, your deepest dive and total bottom time. Photograph your certification cards front and back and keep them with you.

DIVE SITES
Browse and search 10,000+ curated dive sites worldwide — from the Great Barrier Reef to your local quarry. Each site has a written brief, depth range, water type, typical visibility, and the species you're likely to encounter. Available in 15 locales before you get in the water.

SPECIES HUB
A growing catalog of marine life — fish, sharks, rays, turtles, and 431 corals — with illustrations and identification tips. Tap a species in a site brief to jump straight to its profile. Keep field notes on what you've spotted and what you're still chasing.

FISH ID GAME (free)
A free study game for learning reef fish names and families. Flash-card and comparison rounds in three difficulties, with regional curricula. No paywall, no session limit, no account.

YOUR GEAR
Build kits from the gear you dive, store serial numbers, and let Below match equipment to the dives it made. Record purchase dates and service intervals for every piece.

OFFLINE-FIRST
Your dive log lives on your device. No internet required to review dives, stats, or cached site data. Sync between your own devices with iCloud, or leave it off.

YOUR DATA
UDDF, CSV, PDF, and Subsurface XML export — free. No account required. No lock-in.

COLLECTIONS
Group sites for upcoming trips. Save favorites, add notes, stay organized.

BELOW UNLIMITED · US$19.99/year (or local price)
Unlock the full depth profile chart for every dive — depth over time, gas switches, NDL, ceiling data, SAC rate, and deco analysis. Plus the full analytics deck: SAC Rate, SAC by Depth, SAC by Experience, Dives per Year, Dive Duration, Cumulative Bottom Time, Dive Lens, Conditions, Countries & Places, Marine Life, and Records & Milestones — each readable as records, spread, or trends, and scopeable to any year. Offline map downloads, unlimited gear and kits, and service history are included.

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