I will build your custom web application and SaaS
Nouveau
Vente 0
:no_upscale()/uploads/media/picture/2026-10-07/30b4e9ed-Swello-6ac610d0ae052.png)
:no_upscale()/user/20f0f4ad-80bd-48bf-a158-6afa51351a6d.png)
Proposé par AgenceElite •Agence Elite Professionnel Ventes au total 142 Disponible sur ComeUp Direct
🚀 From idea to a real SaaS: secure, online and ready for your first users.
You have a SaaS idea, or your business runs on spreadsheets and copy-paste — but you don't have a technical team to build the tool you need?
I build your custom web application: user accounts, database, your core feature and a clean dashboard — deployed online, secure, and designed to grow module by module.
🎯 WHAT YOU GET
| ✅ Included in the base offer (391,86 $US) | Details |
|---|---|
| 🧭 Scoping & data model | We define users, data and the core feature before coding |
| 🔐 User accounts | Sign-up, login, password reset, secure sessions |
| ⚙️ 1 core business feature | E.g. manage clients, projects, bookings, orders, documents… (create, view, edit, delete) |
| 📄 Up to 5 pages | E.g. dashboard, list, detail, settings, account |
| 🗄️ Database | Your data stored safely in a cloud database |
| 🎨 Modern, responsive interface | Clean dashboard, works on desktop, tablet and mobile |
| 🛡️ Security basics | Protected routes, input validation, encrypted passwords |
| 🌐 Deployed online | Live on a cloud host with HTTPS, on your domain if you have one |
| 📦 Full source code + documentation | It's yours, on your own repository |
| 🔁 2 rounds of revisions | Within the scope of the order |
🧩 WHAT CAN I BUILD?
| Project type | Examples |
|---|---|
| 🚀 SaaS MVP | First version of your product to validate the market |
| 🧑💼 Business tool / internal app | Replace spreadsheets: clients, quotes, stock, planning |
| 📅 Booking / management platform | Appointments, rentals, classes, resources |
| 👥 Client portal | Your clients log in to see documents, orders or progress |
| 📊 Dashboard application | KPIs, reports, data from your tools in one place |
| 🤖 AI-powered SaaS (option) | Assistant, document analysis, content generation |
💰 WHAT BUDGET SHOULD YOU PLAN?
Indicative benchmarks: each level = base offer + options purchased separately.
| Level | For whom? | Includes | Indicative budget |
|---|---|---|---|
| 🥉 Essential | Test your idea with real users | MVP: accounts + 1 core feature + 5 pages, online | 391,86 $US |
| 🥈 Pro | A SaaS ready to charge customers | Base + subscriptions & payments + transactional emails + 2 pages | ≈ 716,54 $US |
| 🥇 Business | A complete tool for teams | Pro + roles & teams + admin back-office + 1 business module | ≈ 1 153,18 $US |
| 💎 Premium | A smart, connected SaaS ready to market | Business + AI feature + third-party integration + product homepage | ≈ 1 500,26 $US+ |
💡 Bigger project (marketplace, multi-tenant platform, real-time collaboration, complex billing)? Send me a message and I'll make you a custom offer.
🥉 ESSENTIAL — 391,86 $US
| Item | Included |
|---|---|
| Accounts + 1 core feature + up to 5 pages | ✅ |
| Database + responsive interface | ✅ |
| Security basics + online deployment | ✅ |
| Source code + documentation | ✅ |
| Subscriptions / roles / admin | ❌ (options) |
🥈 PRO — ≈ 716,54 $US
| Item | Included |
|---|---|
| Everything in Essential | ✅ |
| 💳 Subscriptions & payments | ✅ |
| 📧 Transactional emails | ✅ |
| ➕ 2 additional pages (7 in total) | ✅ |
🥇 BUSINESS — ≈ 1 153,18 $US
| Item | Included |
|---|---|
| Everything in Pro | ✅ |
| 👥 Roles & teams | ✅ |
| 🛠️ Admin back-office | ✅ |
| 🧩 1 additional business module | ✅ |
💎 PREMIUM — ≈ 1 500,26 $US+
| Item | Included |
|---|---|
| Everything in Business | ✅ |
| 🧠 AI feature | ✅ |
| 🔌 Third-party integration | ✅ |
| 🏠 Product homepage | ✅ |
🧰 TOOLS & TECHNOLOGIES
| Need | Tools |
|---|---|
| Web application | React / Next.js, TypeScript |
| Backend & API | Node.js or Python |
| Database & auth | PostgreSQL (Supabase) or equivalent |
| Payments (option) | Stripe (subscriptions, checkout, customer portal) |
| Hosting | Vercel, Railway, Render or your own server |
| AI (option) | OpenAI, Claude, Mistral |
🛠️ HOW IT WORKS
| Step | What happens | When |
|---|---|---|
| 1️⃣ Brief | You describe your idea, users and core feature | Day 0 |
| 2️⃣ Scoping | I propose the page flow and data model | Day 1 |
| 3️⃣ Approval | You approve before development starts | Day 1–2 |
| 4️⃣ Development | Accounts, database, core feature, interface | Days 2–9 |
| 5️⃣ Tests & security | Functional tests, security checks | Days 10–11 |
| 6️⃣ Go-live | Deployment, handover, source code | Day 12 |
⚡ OPTIONS TO GO FURTHER
| Option | Price | Delay |
|---|---|---|
| 💳 Subscriptions & payments ⭐ | +167,94 $US | +4 d |
| ➕ Additional page | +€45 | +1 d |
| 🧩 Additional business module | +134,35 $US | +3 d |
| 👥 Roles & teams | +134,35 $US | +3 d |
| 🛠️ Admin back-office | +167,94 $US | +4 d |
| 📧 Transactional emails | +€50 | +1 d |
| 🧠 AI feature | +134,35 $US | +3 d |
| 🔌 Third-party integration | +€90 | +2 d |
| 🏠 Product homepage | +111,96 $US | +2 d |
⭐ MY RECOMMENDED OPTION
💳 Subscriptions & payments (+167,94 $US)
This is what turns a web app into a real SaaS: monthly or yearly plans, secure Stripe checkout, invoices and a customer portal where users manage their subscription themselves.
📋 WHAT DO I NEED?
| Information | Example |
|---|---|
| 💡 Your idea | "A tool for agencies to track client projects and hours" |
| 👥 Your users | Who logs in, and what they need to do |
| ⚙️ The core feature | The one thing the app must do perfectly |
| 🎨 Your style | Logo, colors, 1 to 3 apps you like |
| 🌐 Domain & hosting | Existing domain / accounts, or I'll advise you |
🔁 REVISIONS AND SCOPE
| ✅ Included | ➕ Option or custom offer |
|---|---|
| Adjustments to the scope before development | Additional pages or modules |
| 2 rounds of revisions on the delivered app | New features (payments, roles, AI…) |
| Texts, layout, colors, field changes | Complete redesign after approval |
| Fixing any bug within the delivered scope | Ongoing maintenance and hosting management |
Revisions related to the items included in the order are included. Any new feature or major change of scope may require an option or a custom offer.
✅ WHY CHOOSE THIS SERVICE?
| 🧑💻 Engineering background | Secure, clean, scalable code — not a fragile prototype |
| 🧭 You approve before I code | Clear scope, no surprises |
| 🧩 Grows with you | Start with an MVP, add modules when you need them |
| 🌐 Online from day one | Deployed and usable, not just a demo on my computer |
| 📦 You own everything | Source code, data and accounts are yours |
❓ FREQUENTLY ASKED QUESTIONS
I only have an idea, is that enough?
Yes. The scoping step turns your idea into a clear page flow and data model that you approve before development starts.
Can users pay for a subscription?
Yes, with the "Subscriptions & payments" option (Stripe).
Do I own the code?
Yes: the source code, data and accounts belong to you.
🚀 READY TO LAUNCH YOUR SAAS?
Order now, tell me about your idea, and approve your app's scope within 2 days.
Not sure which options you need? Send me a message before ordering — I reply quickly. 😊
8. OPTIONS — SUMMARY
| # | Option | Price | Extra delay | Recommended | Strategic role |
|---|---|---|---|---|---|
| 1 | 💳 Subscriptions & payments | +167,94 $US | +4 d | ✅ | Upsell #1, defines a SaaS |
| 2 | ➕ Additional page | +€45 | +1 d | ❌ | Modular, multiple purchase |
| 3 | 🧩 Additional business module | +134,35 $US | +3 d | ❌ | Multiple purchase, grows the product |
| 4 | 👥 Roles & teams | +134,35 $US | +3 d | ❌ | B2B SaaS essential |
| 5 | 🛠️ Admin back-office | +167,94 $US | +4 d | ❌ | Client autonomy, high basket |
| 6 | 📧 Transactional emails | +€50 | +1 d | ❌ | Professional experience |
| 7 | 🧠 AI feature | +134,35 $US | +3 d | ❌ | Strong trend |
| 8 | 🔌 Third-party integration | +€90 | +2 d | ❌ | Connects to the client's tools |
| 9 | 🏠 Product homepage | +111,96 $US | +2 d | ❌ | Marketing entry point |
:no_upscale()/user/20f0f4ad-80bd-48bf-a158-6afa51351a6d.png)