The verdict in three sentences
An internal web app in New York costs between 20,000 and 60,000 USD depending on workflow complexity and permission management, over 2 to 5 months of development. Private or cloud hosting runs 150 to 600 USD/month. The return comes from administrative hours saved and data-entry errors avoided: most projects pay for themselves in 8 to 14 months.
How much an internal app costs by complexity
An app that replaces a tracking spreadsheet is not comparable to a multi-department tool with approvals. Here are the 2026 ranges in the New York market.
| App type | Functions | Timeline | Budget |
|---|---|---|---|
| Simple tracking | CRUD, filters, export | 4-6 wks | 20,000-28,000 USD |
| Business workflow | Steps, approvals, roles | 2-3 months | 30,000-45,000 USD |
| Multi-department | Linked modules, reporting | 3-5 months | 45,000-60,000 USD |
| With integrations | ERP/CRM connected | 4-5 months | 55,000 USD and up |
Hosting varies with load: 150-250 USD/month for a 30-user internal app, up to 600 USD/month with backups, high availability and a staging environment.
No-code or custom: the right call by scale
No-code (Airtable, Bubble, Retool) is attractive on entry price, but subscription costs climb with users and limits hit fast.
| Criterion | No-code | Custom |
|---|---|---|
| Upfront cost | 0-8,000 USD | 20,000-60,000 USD |
| Monthly cost (30 users) | 300-900 USD | 150-600 USD |
| Complex business rules | Limited | Unlimited |
| Custom integrations | Hard | Native |
| Code ownership | No | Yes |
| Cost-effective above | — | 20-30 users |
Under 20 users and for a simple need, no-code does the job. As soon as the business has fine rules, volume or integrations, custom becomes cheaper over 3 years.
Mini case study
Sophie, admin manager at a 55-person trading SME in New York, runs supplier orders on a shared 40-tab spreadsheet. Duplicates, inconsistent statuses, 6 hours/week of manual reconciliation. Kolonell delivers a 34,000 USD internal app in 10 weeks: single entry, approval workflow, stock alerts. Gains over 12 months: 6 hrs/week for Sophie and 3 hrs/week for two assistants, i.e. 12 hrs/week at a loaded cost of 38 USD, about 23,000 USD/year, plus the end of costly stockouts. Payback in 15 months excluding quality gains.
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FAQ
Why not stay on Excel?
Excel offers no fine-grained permissions, no traceability and no data integrity across multiple users. Beyond 5-10 people, errors and wasted time cost more than a dedicated app.
How many users can the app support?
A custom web app easily handles 10 to several hundred users. Hosting cost scales with load, from 150 to 600 USD/month.
Can it grow later?
Yes. We often start with a tight scope at 20,000-30,000 USD, then add modules in 2-to-6-week batches by priority.
How long to a first deployment?
Count 4 to 6 weeks for a simple tracking tool, 2 to 3 months for a full business workflow with roles and approvals.
Does the app work on mobile?
Yes, a responsive web app runs on phone and tablet. An installable PWA is possible for offline field use.
Let's scope your project. Tell us which process you want out of Excel, the number of users and your indicative budget: we will cost the right tool. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
