Comparison

Scuba Dive Log Tracker vs Bottomtime

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Scuba Dive Log Tracker

Features
Read full description

Depth is the ultimate scuba diving logbook for serious divers. Track every dive, every depth, every creature - all in one beautifully designed app built for life underwater. YOUR DIGITAL DIVE LOGBOOK Log dives with depth, duration, water temperature, visibility, cylinder details, SAC rate, and buddy information. Everything your paper logbook captured, now always with you. DIVE MAP See every dive site you've visited on a stunning interactive world map. Watch your diving career unfold across oceans, seas, and lakes. Each pin shows your depth and dive number at a glance. MARINE LIFE SIGHTINGS Build your life list of underwater encounters. Track every species you've spotted - sharks, rays, turtles, nudibranchs, and more. Your personal guide to the ocean's inhabitants. STATS THAT MOTIVATE Know your numbers: total dives, deepest descents, longest sessions, favorite sites. Surface Air Consumption (SAC) rate tracking helps you improve your breathing efficiency over time. CERTIFICATION TRACKER Log your PADI, SSI, NAUI, and other certifications. Keep your diving qualifications organized and accessible whenever you need them. GEAR INVENTORY Track your equipment - wetsuits, BCDs, regulators, computers, fins. Never forget service dates or what gear you packed for a trip. AI DIVE ADVISOR (Pro) Get personalized insights powered by AI. Analyze your dive patterns, get site recommendations, and understand your performance trends with intelligent coaching. DEPTH PRO - UNLIMITED DIVING Unlock the full logbook experience: - Unlimited dives (free tier: 20 dives) - Unlimited marine life sightings per dive - Unlimited gear inventory - SAC rate trend charts over time - Full dive statistics by year and site - Auto-generated site profiles from your dive history - Gear service reminders - Unlimited photos per dive - AI Dive Advisor powered by Grok - Export a beautiful PDF logbook - Shareable Year Card Monthly: $4.99/month Yearly: $39.99/year (save 33%) Start with a free trial - no commitment required. DESIGNED FOR DIVERS Built with the dark, data-forward aesthetic of a diver's heads-up display. SF Mono precision for your numbers. Bioluminescent accents against deep navy. Your logbook should look as good as the dive felt. Depth is the logbook app that grows with your diving career - from your first open water dive to your thousandth wreck. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Bottomtime

Features
Read full description

Bottomtime is the dive logbook that belongs to you — beautiful, fast, and offline-first. Log a dive in 30 seconds, watch your sites map fill up, and keep your whole diving life in one place. No account required. Your data is yours. WHY DIVERS SWITCH TO BOTTOMTIME • Offline-first: log on the boat, the liveaboard or the cenote — no signal needed. Everything syncs when you're back. • Log a dive in 30 seconds: site, depth, time, gas, buddy, conditions — fast, or as detailed as you like. • Your sites on a map: every dive plotted, your personal underwater passport. • Species log included — names and sightings are never behind a paywall. FREE, AND GENEROUS • Unlimited dive log with photos • 30-second quick log and a full detailed editor • Career stats: dives, max depth, total bottom time • Dive sites map • Marine species log with common names BOTTOMTIME PRO — automation and comfort, never your data • Import from Apple Health and dive computers (depth, duration) — no double entry • Import and export open formats: UDDF, CSV, PDF • Automatic iCloud sync across iPhone and iPad • Advanced stats and trends: SAC/RMV, average depth, progression over time • Gear tracking with service reminders • Species photos and history • PDF logbook export with instructor signature • Surface interval and no-fly planner (informational) • Home Screen widgets BUILT FOR EVERY DIVER Recreational, technical, freediver or snorkeler — multi-cylinder, nitrox and trimix, safety stops, and metric or imperial units. YOUR DATA, YOUR RULES No account needed. Works fully offline. Export to UDDF, CSV and PDF anytime — your dive history is never locked in. Premium is available as a monthly or yearly subscription (with a 7-day free trial on the annual plan) or a one-time lifetime unlock. Free features stay free, forever. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://develak.com/privacy-policy/

Screenshots

Scuba Dive Log Tracker4 screens
Bottomtime4 screens

Verdict

The call

Scuba Dive Log Tracker and Bottomtime are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Scuba Dive Log Tracker sells 3 in-app purchases, starting at $4.99 per month and Bottomtime sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Scuba Dive Log Tracker versus Bottomtime: the parameters behind the verdict, then further details
ParameterScuba Dive Log TrackerBottomtime
PriceFreeFree
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad — better
Requires iOS1817.0 — better
Further details — not scored
Size4 MB6 MB
Age rating4+4+
DeveloperKarol JaworskiDevelak

In-app purchases

3 purchases

Scuba Dive Log Tracker

Subscriptions3
  • Depth Pro$4.991 Month
  • Depth Pro$39.991 Year
  • Depth Pro1 Year trial$39.991 Year
3 purchases

Bottomtime

Subscriptions2
  • Bottomtime Pro — Monthly$4.991 Month
  • Bottomtime Pro — Yearly7 Days trial$29.991 Year
One-time1
  • Bottomtime Pro — Lifetime$79.99

Questions

Is Scuba Dive Log Tracker free?
Scuba Dive Log Tracker is free to download, with in-app purchases available.
Is Bottomtime free?
Bottomtime is free to download, with in-app purchases available.
Do Scuba Dive Log Tracker or Bottomtime have ads?
Neither Scuba Dive Log Tracker nor Bottomtime shows ads.

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