Below: Dive Log & Fish ID

10,000+ curated dive sites in 15 languages, universal Bluetooth dive logging, and a growing marine-life catalog. Everything 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. Scan paper logbooks with the camera to 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.

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 languages 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.

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

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

YOUR DATA
UDDF, CSV, and PDF 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 six profile analytics charts: SAC trends, depth band analysis, experience progression, dive frequency, dive duration trends, and cumulative bottom time. 7-day free trial.

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