Free Tools

Free Business Tools: Build a Profitable Studio with Data

Appointment-based service professionals often get stuck on the numbers side of running a business. These free tools turn complex financial formulas into intuitive calculators so you get answers in minutes.

"This service is $65 — after rent, am I actually making money?"
"To hit $8,000/month, how many clients do I need per day?"
"How much startup capital do I actually need to open my studio?"

All free · Real-time in browser · Your data never stored

Financial & Profitability

Revenue Calculator

Estimate your service business capacity and monthly / annual revenue targets

Use Free

Startup Cost Calculator

Fully assess renovation, equipment, and working capital for a stable launch

Use Free

Efficiency & Capacity

Time Value Analyzer

Calculate how much revenue admin tasks are costing you — find your capacity leverage point

Use Free

Customer Retention Calculator

Analyze repeat client patterns and identify what drives clients back

Use Free

Brand & Marketing

Price Menu Generator

Create professional service menus for Instagram and LINE — no design skills needed

Use Free

Membership Tier Designer

Design custom membership levels and perks to increase loyalty and average ticket

Use Free

LINE Business Tools

LINE Rich Menu Maker

Free online tool to create LINE rich menu images — multiple layouts, themes, one-click export

Use Free

Our Philosophy

Why Does Dolyu Offer These Free Tools?

Our core belief: "Where every profession blooms with elegance."

Many appointment-based service professionals eventually give up on their craft because of admin overwhelm or financial confusion. These tools help you bring data-driven clarity to the creative work you do — so every decision has a foundation.

Once you've used the tools and clarified your numbers, the next step is automating your workflow. Dolyu is ready for you:

24/7 Auto-Booking

Let clients self-book anytime. You focus on delivering great service.

LINE Auto-Reminders

Minimize no-shows and protect every slot on your calendar.

Digital CRM Records

Every client's preferences and service history — stored and searchable.

FAQ

Questions? Read This.

Nothing. Every calculator and generator on the Dolyu Tools page is completely free to use — built to help all service professionals run better businesses.

No. All calculations run in your browser. Dolyu respects your business privacy and never stores your financial input data.

Update your price menu with the suggested pricing, or use Dolyu to automate booking thresholds and turn your strategy into real revenue.

Yes! All tools are fully responsive — they work perfectly on phones, tablets, and computers. Calculate and plan from anywhere.

Once You Have the Numbers — Automate the Process

Dolyu brings together booking, client management, and revenue data in one place — activate your digital studio manager mode

Try Dolyu Free for 14 Days