The verdict in three sentences
A leader who wants to steer sales, cash, and production has two paths: a market BI tool like Power BI (USD 10-20 per user per month plus integration) or a custom dashboard at USD 22,000-65,000. The market tool wins when your data is clean and needs are standard; custom takes over when you have many heterogeneous sources, real-time requirements, and specific business logic. The real trade-off is the 3-year total cost of ownership (TCO), not the upfront price.
Power BI or custom: the comparison
| Criterion | Power BI / market tool | Custom dashboard |
|---|---|---|
| License cost | USD 10-20/user/month | 0 (owned) |
| Setup cost | 9,000 – 27,000 | 22,000 – 65,000 |
| Delivery timeline | 3 – 6 weeks | 6 – 12 weeks |
| Native real-time | limited | yes |
| Heterogeneous sources | standard connectors | unlimited, custom |
| Complex business logic | constrained | free |
| Autonomy / vendor lock-in | strong lock-in | full independence |
Power BI, Looker, or Metabase shine on classic analytics. As soon as you cross an ERP, a homegrown production tool, and a sales database with proprietary calculation rules, custom regains the edge.
Total cost over 3 years (TCO)
The sticker price does not tell the whole story. Add recurring licenses, maintenance, and the cost of unreliable data.
| Item (30 users) | Power BI (3 yrs) | Custom (3 yrs) |
|---|---|---|
| 30-user licenses | 23,400 | 0 |
| Setup | 19,000 | 43,000 |
| Maintenance / evolutions | 9,600 | 15,000 |
| 3-year total | 52,000 | 58,000 |
| Smoothed cost / month | 1,444 | 1,611 |
At 30 users, the two scenarios converge. Beyond 50 users, custom often becomes cheaper because there is no per-seat license.
Mini case study
Sarah, COO of a 140-person distribution firm in Rotterdam, is undecided. With 60 users, Power BI would cost 60 × USD 15 × 36 months = USD 32,400 in licenses over 3 years, plus USD 21,000 of integration, i.e. USD 53,400. The custom dashboard is quoted at USD 48,000 plus USD 13,000 maintenance, i.e. USD 61,000 — but with no license and real-time across her three plants. From year 4 on, custom only costs maintenance while Power BI keeps billing USD 10,800/year in licenses. Over 5 years, the gap swings USD 12,000 in favor of custom.
FAQ
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Can we start with Power BI and migrate later?
Yes, and it is often the best trajectory. Validate the metrics and usage on a market tool in a few weeks, then industrialize with custom once the need is stable and the user count is high.
How many sources can be connected?
A custom dashboard connects ERP, CRM, accounting, production software, and files without limit. Cost depends on the number of connectors: budget USD 2,200 to 6,500 per non-standard source in 2026.
Is real-time really necessary?
For cash and production, yes: a refresh every 5 minutes changes decision quality. For monthly reporting, a daily batch is enough and costs less.
Who maintains the custom dashboard?
You own the code. Annual maintenance typically runs 20 to 30 % of the initial cost and covers evolutions and new sources.
How long to a usable first version?
A first operational dashboard on your key metrics is deliverable in 6 to 12 weeks, with an interim version by week 4.
Let's scope your project. Tell us your data sources, user count, and real-time needs, and we will compare market vs custom with the numbers. 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.
