# SCUBAzen - [SCUBAzen docs](https://scubazenapp.com/docs/index.md): How to use SCUBAzen, the free dive logbook that also holds your certs, gear, packing list, wetsuit and weight planning, and a travel agent. - [Install SCUBAzen](https://scubazenapp.com/docs/get-started/install.md): Download SCUBAzen for iPhone from the App Store or for Android from Google Play, then open it to sign in with your email. - [Sign in](https://scubazenapp.com/docs/get-started/sign-in.md): Sign in with an emailed link or a 6-digit code. There are no passwords; your first sign-in creates your account. - [Set up SCUBAzen](https://scubazenapp.com/docs/get-started/setup.md): The five setup steps after your first sign-in: you, certifications, kit, units and sizes, and dive history. Every step can be skipped. - [Home and the menu](https://scubazenapp.com/docs/get-started/home.md): What home shows before, during and after a trip, and where everything lives in the menu. - [Add a trip](https://scubazenapp.com/docs/trips/add-trip.md): Add your next trip on home with where you're going and your out and back dates, then edit or remove it from the pencil. - [Get ready for a trip](https://scubazenapp.com/docs/trips/readiness.md): What home checks before a trip: what the shop needs, your own kit, insurance against your return date, refreshers, gear service and water temperature. - [Packing list](https://scubazenapp.com/docs/trips/packing-list.md): Tick off the gear you're packing and renting, add your own items, and reset the checks for the next trip. - [Send your paperwork](https://scubazenapp.com/docs/trips/paperwork.md): Make a PDF of your gear, rental sizes, certifications and insurance to send a dive shop before your trip, and see exactly what it includes. - [Browse and search your logbook](https://scubazenapp.com/docs/logbook/list.md): How your logbook is ordered, what the dive count shows, and what logbook search finds on your phone. - [Log a dive](https://scubazenapp.com/docs/logbook/log-a-dive.md): Add a dive to your logbook: what each section records, what carries over from your last dive, and how unsaved and offline dives are kept. - [View, edit or delete a dive](https://scubazenapp.com/docs/logbook/edit-dive.md): Open a logged dive to read it, tap the pencil to change it, or delete it along with its equipment, dive type and photos. - [Gear used on a dive](https://scubazenapp.com/docs/logbook/dive-equipment.md): Tick the equipment you dived with on each dive. The first time, items from your kit come pre-ticked; the checklist has its own save. - [Dive type](https://scubazenapp.com/docs/logbook/dive-type.md): Record where each dive happened (reef, wreck, cave and more) and what kind of diving it was. Dive type has its own save. - [Dive photos](https://scubazenapp.com/docs/logbook/photos.md): Add photos from your library to a dive, reorder them, view them full screen, and remove them. - [Import a logbook](https://scubazenapp.com/docs/logbook/import.md): Bring dives from another dive app or a spreadsheet into SCUBAzen from a CSV file, check them first, and undo the import if it's wrong. - [Back up your logbook](https://scubazenapp.com/docs/logbook/backup.md): Export your logbook as three CSV files, see exactly what a backup leaves out, and learn which file can be imported back. - [Your certifications and insurance](https://scubazenapp.com/docs/certs/wallet.md): Keep your cert cards and dive insurance in one place, see which policy is about to expire, and have both ready when a shop asks. - [Add a certification](https://scubazenapp.com/docs/certs/certification.md): Add a certification card with its name, agency, number, issue date and photos of both sides, then copy the number when a shop asks. - [Add dive insurance](https://scubazenapp.com/docs/certs/insurance.md): Add your dive insurance policy with its insurer, plan, policy number, expiry date and the number to call, and see how the expiry date feeds home. - [Your kit: own or rent](https://scubazenapp.com/docs/gear/kit.md): Mark which gear you own and which you'll rent. Each tap saves at once and fills your packing list and the paperwork you send a dive shop. - [Track your gear](https://scubazenapp.com/docs/gear/gear-list.md): List the gear you own and see at a glance which pieces are overdue or due for service in the next 30 days. - [A piece of gear](https://scubazenapp.com/docs/gear/gear-page.md): Add a piece of gear with its type, model, serial number and receipt, set its service interval and reminders, and see its service history. - [Log a service](https://scubazenapp.com/docs/gear/log-service.md): Record a cleaning, repair, inspection or regular service on a piece of gear. Logging a regular service schedules the next one for you. - [Zenfinder](https://scubazenapp.com/docs/zenfinder/index.md): Work out your wetsuit and weight for a dive from your body, your kit and your logbook. - [Your logbook as a reference](https://scubazenapp.com/docs/zenfinder/logbook.md): Find past dives near today's water temperature and reuse what you wore and carried. - [Find your wetsuit](https://scubazenapp.com/docs/zenfinder/wetsuit.md): Get a suit recommendation for a water temperature, adjusted for how cold you run and what you logged. - [Estimate your weight](https://scubazenapp.com/docs/zenfinder/weight.md): Estimate how much lead to carry from your body, the water, your suit, your tank and the rest of your gear. - [Plan a trip with the travel agent](https://scubazenapp.com/docs/travel-agent/index.md): Ask the AI travel agent to plan a dive trip around your certifications and logbook, and what to do when an answer doesn't arrive. - [Your free day](https://scubazenapp.com/docs/travel-agent/free-day.md): How the travel agent's free day works: it starts with the question that spends it, lasts 24 hours, and comes once per email address. - [Trip pass](https://scubazenapp.com/docs/travel-agent/trip-pass.md): Buy a 30-day trip pass for the travel agent, see how much time is left, restore a purchase, and what refunds and account deletion do to it. - [Manage conversations](https://scubazenapp.com/docs/travel-agent/conversations.md): Find, rename and delete your travel agent conversations, and how long a message can be. - [What the travel agent sees](https://scubazenapp.com/docs/travel-agent/privacy.md): Exactly what the travel agent reads from your logbook, what goes to Google Gemini with each question, what SCUBAzen keeps, and how to delete it. - [Settings](https://scubazenapp.com/docs/settings/index.md): What's in SCUBAzen's settings, how to open them, and which things live elsewhere in the app. - [Units and sizes](https://scubazenapp.com/docs/settings/units-and-sizes.md): Choose metric or imperial for each measurement, set your dive count, and save the sizes printed on your paperwork. - [Your account](https://scubazenapp.com/docs/settings/account.md): Change your name, profile photo and location in SCUBAzen. Your email address can't be changed. - [Sign out](https://scubazenapp.com/docs/settings/sign-out.md): What signing out of SCUBAzen does to the data on your phone, and what's kept for when you sign back in. - [Delete your account](https://scubazenapp.com/docs/settings/delete-account.md): What deleting your SCUBAzen account removes, what you can save first and how, what can't be saved, and what's kept. - [Help and feedback](https://scubazenapp.com/docs/help/feedback.md): Send an idea or report a problem from inside SCUBAzen, attach a screenshot, rate the app, and bring back tips you've dismissed. - [Hand signals](https://scubazenapp.com/docs/help/hand-signals.md): Look up common dive hand signals in SCUBAzen and open the reference chart full size to read it. - [Troubleshooting](https://scubazenapp.com/docs/help/troubleshooting.md): Fixes for common SCUBAzen problems: sign-in links and codes, missing emails, offline saves, import errors, backups and the travel agent. - [FAQ](https://scubazenapp.com/docs/help/faq.md): Answers to common SCUBAzen questions: what's free, which phones it runs on, what syncs, kit versus gear, email changes, deletion and languages. - [Contact support](https://scubazenapp.com/docs/help/contact.md): How to reach the SCUBAzen team: send feedback from inside the app, or email us if you can't sign in. ## Optional - [App Store](https://apps.apple.com/us/app/scubazen/id6670226301) - [Google Play](https://play.google.com/store/apps/details?id=com.scubazen) - [Blog](https://scubazenapp.com/blog) This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.