Comparison

Thalassa vs Manage Freediving

Manage Freediving and Thalassa are both built specifically for freediving centers, which already puts them ahead of generic booking tools. They focus on different jobs, though. This page lays out the differences honestly, including where Manage Freediving is the better choice.

Last updated September 2026

The short version

Different tools for different priorities

Manage Freediving is a CRM and booking system. Its strengths are student-facing: online course booking, taking payments, and tracking certifications across agencies.

Thalassa is an operations and finance system. Its strengths are behind the scenes: tracking exactly which sessions each student is owed, scheduling instructors without clashes, and showing whether the center is profitable after salaries and costs.

  • Choose Manage Freediving if students booking and paying online is your top priority today.
  • Choose Thalassa if your biggest pain is course admin, staffing and not knowing your real margins.

Side by side

Feature comparison

Based on each product’s public website in September 2026. Check the Manage Freediving website for their current details.

ThalassaManage Freediving
Built for freediving centersYesYes
Online booking by studentsNot yetYes
Online payments and invoicingRecords payments, deposits and balancesYes, full and partial payments with invoices
Multi-agency certification trackingExisting certifications on each student; agency and level on each courseYes, including assigning certifications after courses
Sessions owed per student (package ledger)Yes, per student, including group bookingsNot described on their site
Instructor double-booking protectionYes, blocked automaticallyNot described on their site
Resource scheduling (boats, gear, rooms)Not yet (on roadmap)Yes
Profit, margin and break-even reportingYes: salaries, fixed costs and expenses includedRevenue breakdown reports
Revenue by channel (direct, OTA, partner)YesNot described on their site
Multiple centers under one businessYesEnterprise plan
Staff limitsUnlimited2 to 7 users depending on plan; unlimited on Enterprise
Monthly event limitsNone20 to 200 events a month depending on plan; unlimited on Enterprise
Free trialHands-on demo with your own courses14 days, no card

“Not described on their site” means we could not find the feature on Manage Freediving’s public pages. It may exist. Ask them directly if it matters to you.

Pricing

What you’d pay

Manage Freediving prices as listed on their website in September 2026, billed monthly in USD. They offer 20% off annual billing on paid plans above Solo.

PlanPriceLimits
Manage Freediving Solo$19 / month2 users, 20 events a month
Manage Freediving Starter$49 / month5 users, 50 events a month
Manage Freediving Professional$149 / month7 users, 200 events a month
Manage Freediving Enterprise$399 / monthUnlimited users and events, multi-location
Thalassa founding member€500 / year (about €42 a month)Unlimited staff, students and sessions. Price locked for life. 5 spots only.

Who should pick which

An honest recommendation

Manage Freediving is the better fit if…

  • You want students to book and pay online through the software today
  • You want the system to issue and track certifications after each course
  • You need to schedule boats, gear or rooms as resources
  • You are a solo instructor running a handful of courses a month

Thalassa is the better fit if…

  • Keeping track of which sessions each student still has is a daily headache
  • You have several instructors and scheduling clashes cost you
  • You want to know your profit and break-even, not just revenue
  • You sell through OTAs and partners and want to see which channel pays
  • You’re growing past 7 staff or 200 sessions a month

Switching

Moving from Manage Freediving or spreadsheets

Setup in Thalassa is mostly creating your course packages and adding your team. As a founding member we do it with you and help you bring over your active students and open bookings, so your first week runs in Thalassa.

Pricing

Founding member pricing

One yearly price, locked in for life, with no user or session limits. We’re onboarding five founding centers.

Pricing details
Founding member Only 5 founding spots · 5 left

Founding member plan

€500 / year

About €42 a month, billed yearly

Your price is locked in for life. It never goes up while you stay subscribed.

Everything included

  • Bookings, course packages and per-student session tracking
  • Session scheduling, instructor assignment and attendance
  • Student records: certifications, medical notes, emergency contacts
  • Payments, deposits and outstanding balances per booking
  • Finance dashboard: revenue, costs, profit, margin and break-even
  • Unlimited staff accounts, students and sessions
  • Every new feature we ship, at no extra cost
  • Guided setup and a direct line to the founders
Book a Demo

No card needed to book a demo. We walk through Thalassa on your own courses and pricing before you decide.

Frequently asked questions

Is Thalassa cheaper than Manage Freediving?

It depends on your size. Thalassa’s founding price is €500 a year with no staff or session limits. Manage Freediving’s plans range from $19 to $399 a month depending on users and events.

Can I take online bookings with Thalassa?

Not yet. If student self-booking is essential today, Manage Freediving offers it. Thalassa tracks bookings from all your channels, which your team enters.

Does Thalassa track freediving certifications?

Yes, in part. Students’ existing certifications (agency, level, number) are stored on their profile and each course carries its agency and level. Issuing certifications from inside Thalassa is on the roadmap.

Who is behind Thalassa?

Thalassa is built by people who have run freediving centers and a software team with many years of experience building business systems.

Compare it on your own courses

Book a 30-minute demo. We’ll set up one of your real courses so you can compare with what you use today.