Internal tools, client portals, booking or operations software
Custom Web Application
Software built around one specific workflow in your business.
Design concept: “Fieldbook” is a fictional brand created by Core Plan Studio to show this package’s style and capabilities. It is not client work.
Every screen included — 10 in total
Select any preview to enlarge it. Final content and design are tailored to your brand.
Email sign-in, password reset and session security.
Key numbers, recent activity and shortcuts.
Searchable, sortable, filterable table of your core records.
Full detail view with history and related items.
Validated forms for creating and editing records.
Schedule or status-board view of the same records.
Charts and CSV export for the agreed metrics.
Invite users and set role-based permissions.
Organization profile, notifications and preferences.
Owner-level controls and audit log.
What’s included
- Discovery workshop and written specification
- Clickable prototype before development
- Up to 10 screens around one core workflow
- Secure authentication and role-based permissions (up to 3 roles)
- Database design, API and audit log
- Email notifications for agreed events
- Automated tests for core logic and acceptance testing
- Deployment to your Cloudflare account and handover documentation
What it can do
- User accounts and roles
- Data tables, search and filters
- Charts and CSV export
- Email notifications
- Audit log
Not included
Anything below can be quoted separately, so you only pay for what you need.
- Native mobile apps
- Unscoped integrations (quoted per integration)
- Data migration from legacy systems
- Ongoing maintenance (optional plan)
- Third-party API or usage fees
Optional upgrades
| Upgrade | What you get | Price |
|---|---|---|
| Third-party integration | Connect one external service with a documented API (CRM, calendar, accounting...). | $1,275 per integration |
| Additional screen | One more designed, built and tested screen. | $650 per screen |
| Additional revision round | One more consolidated round of changes. | $325 per round |
| Payments inside the product | Accept payments through Stripe within your app or web application. | $1,700 |
| AI-powered feature | One scoped AI feature (e.g. summarization, assistant, classification). Usage fees billed by the AI provider to you. | $2,125 |
| Data import | One-time import of existing records from spreadsheets. | $850 |
| Care plan (optional) | Updates, monitoring, backups and up to two hours of small changes per month. Month-to-month, cancel any time. | $225 / month |
Payment options
Pay in full
- $7,950At signing — Agreement signed (project start)
50% now, 50% before launch
- $3,975At signing — Agreement signed (project start)
- $3,975About week 8 — Final build delivered for your review, before launch
Four payments of 25%
- $1,987.50At signing — Agreement signed (project start)
- $1,987.50About week 2 — Design direction approved
- $1,987.50About week 6 — Working build delivered on a private preview link
- $1,987.50About week 8 — Final build delivered for your review, before launch
Example for the base package with no upgrades. Your summary shows exact dates from your signing date.
Questions about the Custom Web Application
How much does the Custom Web Application cost?
The Custom Web Application starts at $7,950 for the scope described on this page. After reviewing your requirements, a fixed price is confirmed in writing before you sign or pay anything.
How long does the Custom Web Application take?
About 6–8 weeks from the project start date. The estimate starts when your content arrives and assumes feedback within 5 business days.
What is included in the Custom Web Application?
10 screens (Sign in, Dashboard, Records list, Record detail, Create / edit, Calendar or board, Reports, Team & roles, Settings, Admin), plus: Discovery workshop and written specification; Clickable prototype before development; Up to 10 screens around one core workflow; Secure authentication and role-based permissions (up to 3 roles).
What is not included?
Native mobile apps; Unscoped integrations (quoted per integration); Data migration from legacy systems; Ongoing maintenance (optional plan); Third-party API or usage fees. These can be added as upgrades or quoted separately.
Can I pay for the Custom Web Application in installments?
Yes: pay in full, or 50% now, 50% before launch, or four payments of 25%. Each later payment is tied to a delivered milestone, and you see exact amounts and dates before signing.
Who owns the app when it is finished?
You do. When the final payment is made, the custom design and code created for you are assigned to you. Third-party software, fonts and stock media remain under their own licenses.
Costs paid directly to other providers
These are never included in our price, because the accounts belong to you.
| Application hosting | From $5 per month (Cloudflare Workers Paid), plus usage above included limits | Cloudflare (your account) |
|---|---|---|
| Transactional email | Free up to 3,000 emails per month on common providers; paid plans from about $20 per month | Email provider |
| External APIs | Usage-based; depends on the services you choose | API provider |
Typical published prices; providers may change them.