The Honest Answer: It Depends
If you are looking for a simple answer ("how much does it cost"), be prepared for frustration. Because the honest answer is: it depends on many factors.
But here it is: this guide will give you realistic ranges, break down costs, and show exactly what influences pricing.
By the end, you will understand not just how much, but why.
Critical Fact
Price is not just development. It includes design, architecture, testing, security, deployment, documentation, and maintenance. Cheap agencies cut corners in some of these areas (usually quality suffers).
Price Ranges: Small, Medium, Large
Small System: $10,000 - $30,000
What’s included: An application with few modules (2-5). Few concurrent users. Integration with 0-2 external systems. Functional design. Basic testing. Cloud deployment. Essential documentation.
Examples: Advanced blog, complex form with workflow, small management system, simple portal, app for small teams.
Medium System: $30,000 - $100,000
What’s included: System with multiple modules (5-15). Hundreds of concurrent users. Integrations with 3-5 systems. Professional design. Full testing (unit, integration, system). CI/CD pipeline. Analytics. Complete documentation.
Examples: Mid-sized ERP, mid-sized SaaS platform, small marketplace, advanced CRM system, simple enterprise application.
Large System: $100,000 - $400,000+
What’s included: Highly complex system with 20+ modules. Thousands of concurrent users. Integrations with 10+ systems. World-class design. Rigorous testing. 24/7 monitoring. Extreme scalability. Advanced security. Compliance. Extensive documentation.
Examples: Enterprise ERP, global platform, large marketplace, financial application, system with millions of users.
"Cheap price usually means: works now, expensive maintenance later. Fair price means: works well, easy to maintain."
— Development Reality
Breakdown: Where the Money Goes
If you hire an agency for a $40k project, how is that money allocated?
$40,000 Project (Medium System)
| Activity | % of Budget | Value |
|---|---|---|
| Consulting and Planning | 10% | $4,000 |
| Design and Architecture | 15% | $6,000 |
| Frontend Development | 25% | $10,000 |
| Backend Development | 25% | $10,000 |
| Testing and QA | 10% | $4,000 |
| Deployment and Infrastructure | 8% | $3,200 |
| Documentation and Training | 7% | $2,800 |
This is a realistic allocation. Agencies that charge less usually cut corners on design, testing, or documentation (which becomes a problem later).
10 Factors That Influence Price
1. Functional Complexity
How many modules? How many different flows? How many business rules? A system with 5 simple modules costs much less than one with 20 complex ones.
2. Number of Concurrent Users
An app for 100 users is simple. An app for 100,000 concurrent users requires scalability, caching, load balancing. Much more expensive.
3. External Integrations
Each integration costs time. Integration with 1 system: $1k. Integration with 10 systems: $10k. It scales quickly.
4. Security and Compliance
Simple system: SSL, hashed passwords. Financial system: PCI DSS, encryption, auditing, penetration testing. Much more expensive.
5. Expected Scalability
A system that needs to scale 100x requires a different architecture. Cloud-native, microservices, auto-scaling. More complexity = higher cost.
6. Team Seniority
Junior dev: $30/hour. Senior dev: $50/hour. If the project takes 1,000 hours, the difference is $20k. Senior teams are faster (fewer total hours) and higher quality.
7. Timeline
Urgency costs more. The same project in 3 months costs more than in 6 months (larger team, pressure, less efficiency).
8. Geographic Location
Developer in major city: $50/hour. Developer in smaller cities: $30/hour. Developer offshore: $10/hour. Quality varies as well.
9. Testing Requirements
Blog app: basic testing ($2k). Healthcare app: rigorous testing, compliance, documentation ($10k+).
10. Future Maintenance
If you want excellent documentation and clean code for future maintenance: higher cost. If you want "just works now": cheaper.
Cost Is Not Just Development
Many forget: development is only part of the total cost.
Ongoing Costs After Launch
A $40k system can cost $10k-20k/year in maintenance indefinitely.
When to Invest in Custom vs Ready-made
Ready-made SaaS (Shopify, HubSpot, etc.) costs $20-200/month. Seems cheap vs $40k custom. But...
Choose Custom When:
Choose Ready-made When:
WD Seven Services: Development Without Surprises
At WD Seven, we develop high-quality web systems. With fair pricing and full transparency:
Budget Consulting
We analyze your project. How much does it cost? Realistic timeline? Required team? You receive a transparent and detailed estimate.
Explore serviceCustom Development
From concept to launch. Professional development, clean code, documentation, testing. No surprises, full transparency.
Explore serviceArchitecture and Design
Technical planning before coding. Scalable architecture, professional design, informed decisions. Avoids costly mistakes later.
Explore serviceTesting and Quality
Professional QA. Unit, integration, and system testing. Finds bugs before production. Saves on future fixes.
Explore serviceDeployment and Cloud
Scalable infrastructure. Automated deployment, 24/7 monitoring, continuous backup. Fast and reliable system.
Explore serviceOngoing Maintenance
After launch, your system keeps evolving. Technical support, bug fixes, new features, security updates.
Explore serviceConclusion: Investment, Not Expense
Custom web systems are an investment. Yes, they cost money. From $10k to $1M+ depending on scope.
But done right? Returns in productivity, automation, scalability. Positive ROI in 12-24 months.
The question is not "how much does it cost?" but "how much does it return?"
Next Steps
1. Define scope: What exactly does your system do?
2. Estimate complexity: Small, medium, or large?
3. Research agencies: Compare price AND quality.
4. Request detailed quotes: With clear breakdown.
5. Calculate ROI: What’s the return? In how long?
6. Decide with data: Not emotion.
