Feature Extension Menu
Extend your web app with powerful features.
Capabilities that drive business value.
Payment Processing
Accept credit cards, process tuition, sell products. Choose the tier that matches your needs.
Simple Payment Link
Perfect for application fees or fixed-amount payments
- "Pay Now" button for fixed amounts
- Redirects to Stripe/PayPal hosted page
- Basic payment confirmation
- No database integration needed
Integrated Checkout
Full checkout experience on your site
- User stays on your site
- Payment success updates database
- Webhook handlers for payment events
- Transaction history dashboard
- Automated receipt emails
Subscription System
Recurring billing and customer management
- Monthly/yearly recurring billing
- Customer portal for card updates
- Failed payment recovery automation
- Subscription management dashboard
- Proration and upgrades/downgrades
- Usage-based billing (if needed)
Why these prices? Payment processing carries high liability. If a contact form breaks, it's annoying. If a payment form breaks, you lose revenue. Our pricing reflects the responsibility of ensuring it works securely and reliably.
High-Stakes Features
Complex systems that require careful planning and security
Secure User Portal
Password-protected area for user-specific content
- User authentication with email verification
- Role-based access control (2-3 roles)
- Personal dashboard for each user
- Document/file storage per user
- Activity logging
Multi-Tenant Architecture
Separate data environments for multiple organizations
- Complete data isolation per tenant
- Custom branding per tenant
- Tenant-specific user management
- Usage analytics per tenant
- Billing per tenant
Business Features
Grow your capabilities with these medium-complexity additions
Event Calendar & RSVP
Interactive calendar with event management
What's included?
- Visual calendar interface
- Event creation and management
- RSVP tracking with capacity limits
- Email reminders for events
- iCal export
Scheduler & Assignment System
Schedule shifts, assign resources, and manage availability
What's included?
- Drag-and-drop scheduling interface
- Resource/staff assignment management
- Availability tracking
- Conflict detection and alerts
- Shift templates and recurring schedules
- Email/SMS notifications for assignments
- Mobile-responsive calendar views
- Export schedules to PDF/Excel
Blog & Content Management
Full-featured blog with admin interface
What's included?
- Rich text editor for posts
- Categories and tags
- Draft and publish workflow
- SEO optimization per post
- Social sharing integration
Advanced Search & Filtering
Powerful search across your content
What's included?
- Full-text search
- Multi-field filtering
- Search suggestions
- Recent searches
- Saved search preferences
Email Campaign Integration
Automated email marketing and newsletters
What's included?
- Newsletter subscription management
- Email template builder
- Automated campaign triggers
- Analytics and open rates
- Integration with Mailchimp/SendGrid
Simple Additions
Quick enhancements with minimal complexity
Contact Forms with Database
Forms that save submissions to your database
FAQ Management System
Admin-editable FAQ section with categories
Newsletter Signup
Simple email list collection with export
Social Media Feeds
Display your Instagram, Twitter, or Facebook posts
Third-Party Integrations
Three pricing tiers based on complexity and risk
$1,200 - $2,500
Pre-tested platforms with proven patterns. Fast delivery, lower risk.
ADP (Payroll/HR)
Employee data sync, payroll automation
QuickBooks (Accounting)
Invoice sync, expense tracking
Mailchimp/SendGrid
Email campaigns and newsletters
Google Calendar
Two-way calendar sync
Salesforce (CRM)
Contact and lead management
Shopify (E-commerce)
Product and order sync
SMS Notifications (Twilio)
Text message alerts
Google Sheets Sync
Two-way data sync
$3,000 - $5,000
Niche industry APIs, proprietary systems, or first-time integrations. Higher price reflects uncertainty.
Custom 3rd Party API
Niche industry APIs, proprietary systems, or first-time integrations
Hourly Billing
For truly unknown scope or when multiple systems need orchestration. You only pay for actual time worked.
Complex Custom Integration
For truly unknown scope or multi-system orchestration
Best for:
We'll provide a time estimate after reviewing the requirements, but final cost depends on actual complexity discovered during implementation.
Build Your Perfect Package
Use our interactive calculator to combine these add-ons with a base project. See your total estimate in real-time.
Try the Pricing Calculator🔒 Security & Maintenance
Features that require ongoing monitoring (like Payments, APIs, or SMS) need additional maintenance support.
If you add payment processing, we recommend upgrading to our Active Partner Care Plan ($149/mo)to ensure security patches and API monitoring are always current.
Add-On FAQs
Can I add features after launch?
Absolutely! These are designed to be added at any time. Most clients start with a core app, then add features as they grow.
Are these prices negotiable?
Our pricing reflects the value and liability of each feature. However, bundling multiple features together can qualify for package discounts—ask us about it!
What if I need something not listed?
We love custom challenges! Contact us with your requirements and we'll provide a detailed quote. For truly custom features, we charge $150/hour for development.
Do I own the code for these features?
Yes! All code we write becomes your property. You can take it with you if you ever leave TechKnow.
Ready to Extend Your App?
Let's discuss which features make sense for your business goals.