South Dune Simplified Member Management & Billing
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Member management software for activity organisations

One place for members, sessions, attendance and billing.

South Dune is member management and billing software built for swim schools, dance studios, paddle schools, gyms and clubs. Schedule recurring sessions, track attendance, and let billing — recurring, usage-based or prepaid — follow automatically from what actually happened.

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check_circle Family & shared billing accounts, not just one member per invoice
check_circle Recurring, usage-based and prepaid billing — pick the model per package
check_circle Attendance drives billing automatically, so nothing gets missed
Accounts — South Dune more_horiz
menu South DuneBETA
apartmentGlobal Fitnessexpand_more personMike Petitoexpand_more

Accounts

Accounts66
Outstanding BalanceR 3,000.00
Active Accounts66
All Owing Credit Zero Balance searchSearch accounts…
AccountMembersBalanceStatus
Mr. AndersonAND001 Paul AndersonMark Anderson R 450.00 Active
Mis AdamsADA001 Jess Adams R 450.00 Active
Mrs. HillHIL002 Olivia Hill R 450.00 Active
Dr. DavisDAV007 Evelyn DavisRobert Davis R 450.00 Active
Built to manage
groups Members & family accounts
event Recurring sessions
fact_check Attendance
payments Billing & statements
Everything in one place

Less admin. Less double-entry. More clarity.

South Dune connects the day-to-day parts of running an activity organisation, so your team stops re-typing the same information across spreadsheets, invoices and attendance registers.

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Members & billing accounts

Members and the accounts that pay for them are separate — so one billing account can cover a whole family, with its own contacts, address and invoicing details, without duplicating member records.

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Recurring session scheduling

Set up weekly session series in one go, edit a single occurrence or split a series from a chosen date forward, and see everything on a calendar built for instructors and admins.

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fact_check

Attendance tracking

Mark members present or absent, add walk-ins on the spot, and keep an audit trail that automatically feeds into usage-based billing where it applies.

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payments

Flexible billing models

Choose recurring monthly billing, prepaid packages charged upfront, or usage-based billing driven by attendance — per package, not one-size-fits-all for the whole organisation.

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Ledger & statements

Every charge, payment, credit and refund is recorded on a running account ledger, with statements you can generate for any period and issue as a locked, numbered record.

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Role-based staff access

Owners, admins, instructors and accountants each see what's relevant to their role, with sensitive details like billing and date of birth restricted to the people who need them.

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Why organisations choose South Dune

Built around how activity organisations actually bill people.

Most member management tools assume one member, one invoice, one billing model. South Dune doesn't.

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Family & shared billing accounts

Siblings, couples or a whole household can share one billing account and one statement, while each person keeps their own attendance, tags and package history.

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Billing model per package, not per organisation

Run a recurring monthly membership, a 10-session prepaid pack, and pay-as-you-attend classes side by side — the right billing logic applies automatically to each.

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Attendance-driven billing, not manual invoicing

When a session is marked complete, usage-based charges are generated straight from who actually attended — no separate step to remember, no forgotten charges.

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Recurring series that can change mid-stream

Adjust a single occurrence, or split a whole recurring series from a chosen date onward — without losing the attendance and billing history already recorded against it.

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Multi-currency, multi-organisation ready

Each organisation sets its own currency and time zone, and one login can move between multiple organisations — useful for franchises, multi-branch clubs or shared staff.

How it works

From session to statement, without re-typing anything.

A simple flow keeps members, sessions, attendance and billing connected end to end.

01
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Members & accounts

Add members and link them to a billing account — shared with family, or their own.

02
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Sessions

Schedule one-off or recurring sessions, and assign the package and roster that applies.

03
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Attendance

Mark who attended during the session, or catch up afterwards — walk-ins included.

04
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Billing & statements

Recurring, prepaid and usage-based charges post to the ledger, ready to be issued as a statement.

Built around your activities

For people who keep people moving.

Whether you run lessons, classes, training or activities, the admin behind them — memberships, schedules, attendance registers and billing — can get complicated fast. South Dune is built around that everyday reality, not a generic CRM.

Start with the parts that matter to you and keep your organisation's members, sessions, attendance and billing connected as you grow.

poolSwim schoolsSwimmers, lessons and family billing kayakingPaddling classesMembers, sessions and billing music_noteDance studiosStudents, classes and billing sports_martial_artsMartial Arts DojosMultiple class packages and flexible billing
sportsSports clubsGroups and activities
schoolActivity centresLessons and programmes
Sea turtle
Our story

Simple tools, grounded in real life.

South Dune started with a practical problem: keeping track of members, attendance and billing shouldn't require a pile of spreadsheets and repeated admin — especially when one invoice needs to cover a whole family, and billing needs differ session by session.

Inspired by the coast, dunes and community around St Francis Bay, South Dune is about making the everyday work of running activities a little easier.

The sea turtle (inspired by a drawing from my son) is our reminder of what we want the platform to stand for: reliability, consistency, community and the journeys that bring people back together.

tune

Built to fit how your organisation actually bills and schedules — not the other way around.

South Dune isn't about adding more administration software to your day. It's about connecting membership, scheduling, attendance and billing so your team spends less time keeping records in sync and more time running sessions.

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The South Dune roadmap

Growing around the way your organisation works.

We’re building South Dune with the people who run classes, sessions and programmes. Here’s what we’re working on, planning next and exploring.

In progress

Work is underway
groups

Flexible attendance groups

Organize members into groups that make it easier to prepare and manage attendance for the sessions you run. For a beach Nippers session, tags such as Sharks, Dolphins and Seals can suggest the starting groups, while instructors can combine or rearrange groups for the day. On a phone, they can work through each group, mark participants present or absent, see how many remain unaccounted for, and finish with one consolidated attendance view for the session.

Planned

Priorities may evolve with customer feedback
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Public bookings, waitlists and cancellations

Show classes open to the public in a website booking widget or shareable schedule. Visitors can see available places, book a spot or join a waitlist, then cancel if plans change. When advance payment needs to be checked, your team can review and approve the booking manually.

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Statements and payment reminders by email

Send account statements and payment reminders by email, making routine billing follow-up easier for your team.

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Your organisation’s branding

Bring your organisation’s identity into relevant South Dune screens and customer-facing communications.

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Reports for everyday admin and deeper analysis

Get practical summaries for day-to-day decisions, with more detailed reporting to help you understand attendance, billing and membership over time.

Exploring

Ideas we’re evaluating
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A self-service space for members and parents

Give members or parents a place to review relevant information and manage selected details themselves.

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Bank statement matching

Make it easier to compare bank transactions with payments recorded in South Dune and identify items that may need attention.

payments

Online payment integrations

Explore connections to payment providers such as PayFast, giving organisations more ways to collect payments through South Dune.

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Your experience can shape what comes next

Have an idea, a need, or a feature that would help?

Tell us what you’re trying to do and what would make it easier. Whether you already use South Dune or are considering it, your feedback helps us understand what matters and can influence what moves up the roadmap.

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Ready when you are

Make membership, attendance and billing simpler.

South Dune is built for activity-based organisations that want a clearer way to manage members, sessions, attendance and billing — including family accounts and flexible billing models most tools don't offer. Send us a message or create your account to get started.

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Email ushello@southdune.com
Based in
St Francis Bay, Eastern Cape, South Africa