Run your service business without complicated software.
ClientBase is a powerful offline client manager built for tradespeople, cleaners, gardeners, car valets, window cleaners, and independent professionals who want simple control over their bookings, clients, and payments.
No accounts. No clutter. Just the tools you need to run your business.
Professional Invoicing
Create custom invoices right in the app, or generate them automatically from unpaid appointments — including statement-style summaries. Keep everything in one place and get paid faster.
Smart Scheduling
Book repeating clients to the days you’re actually working. Intelligent double-booking alerts help prevent costly scheduling mistakes by checking your calendar as you book.
Payment Tracking
See all unpaid appointments at a glance. Mark them as paid with a single tap. Get a clear, instant overview of your cash flow.
Detailed Client Profiles
Store contact info, appointment history, notes, and custom tags. Call or message clients directly from the app with a single tap.
Business Analytics
View your earnings, appointments, and client statistics on a weekly and monthly basis. Understand your business at a glance.
Powerful Search
Find any client or appointment in seconds by name, phone number, address, or custom tags.
Weather Integration
See forecasts for today and your upcoming jobs right where you need them.
Message Templates
Save time with customizable templates for appointment confirmations. Set them up once and send them with a tap.
Privacy-First & Offline
Your business data is yours alone. ClientBase stores everything securely on your device using Apple’s Core Data framework — no cloud servers, no data collection, and no internet required for day-to-day use. Export your data anytime with no lock-in.
Why Professionals Choose ClientBase
• Simple and focused - no bloated CRM features
• Works anywhere - full functionality offline
• Start quickly - no account or registration required
• Stay in control - your data stays on your device
• Built for real work - fast, modern, and easy to use
It’s early days but this does everything I need to make sure I don’t miss any of my regular clients and can easily schedule in new ones. I’ve not bothered with an app like this before because they all seem too complicated to use. This Is Brilliant! 🙂
Developer Response
Thank you for your kind review. So glad it’s working well for you - keeping it simple was exactly the goal. Really appreciate the feedback!
Tweaks to the calendar events created with different job/service types.
Improvements to the “Extended Stats” page, including buttons to go back through weeks, months and years.
Version 3.0.7
The developer, DARAGH TADGH BEESTON, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary based, for example, on the features you use or your age. Learn More
The developer indicated that this app supports the following accessibility features. Learn More