Data & Dashboards

Power BI vs Tableau vs Custom Dashboards: An Honest Comparison

Power BI vs Tableau vs a custom build: how licensing, skills and audience decide the right dashboard tool, with a five-step way to choose for your company.

Weaveward data & dashboards editorial illustration

In a Power BI vs Tableau decision, features rarely settle the question, because both tools can produce the charts most companies need. What settles it is licensing, the skills of the people who will build reports, and who must see the dashboards. Power BI is usually the lower-cost fit for companies already on Microsoft 365 with many internal viewers. Tableau suits analyst teams who explore data visually every day. A custom dashboard makes sense when the audience is outside your company, or when the dashboard has to live inside your own app or workflow.

One honest point before the details: in all three options, much of the effort goes into connecting, cleaning and modeling data, not into drawing charts. No tool can fix sales figures spread across five spreadsheets that use different product codes.

If you are still deciding whether you need a dashboard at all, start with our explainer on what a business intelligence dashboard does. If you already know, read on.

The three options at a glance

Power BI Tableau Custom dashboard
Owner Microsoft Salesforce You own the code
Licensing Per user, or capacity-based plans Per user, priced by role (Creator, Explorer, Viewer) No per-viewer license; you pay for development and hosting
Report authoring Power BI Desktop (Windows only) and web editing Tableau Desktop (Windows and macOS) and web editing Developers, or open-source tools such as Apache Superset and Metabase
Data preparation Power Query, built in Tableau Prep, a separate tool Your own pipelines in SQL or Python
Calculations DAX Calculated fields and LOD expressions SQL and application code
On-premise option Power BI Report Server Tableau Server Wherever you deploy it
Best fit Microsoft-centric companies with many viewers Analyst-led exploration, mixed Windows and Mac teams External audiences, dashboards inside products, special workflows

Power BI: where it shines and where it pinches

Strengths

  • Low entry price. At the time of writing, Microsoft lists Power BI Pro at USD 10 per user per month, and Power BI Desktop is free to download for building reports locally
  • Familiar to Excel users. Power Query is the same data preparation engine found in Excel, so finance teams often feel at home quickly
  • Fits the Microsoft stack. Reports can be shared in Teams, and access follows the same Microsoft accounts your staff already use
  • Large community. Training material, templates and freelancers are easy to find in Indonesia and abroad

Catches

  • Desktop authoring is Windows-only. Mac users need a virtual machine or must rely on web editing, which has fewer features
  • DAX is easy to start and hard to master. Complex measures, such as year-on-year growth by branch with returns excluded, need someone who truly understands how filters flow through the model
  • Viewers need licenses too. Everyone who views shared reports needs a paid license unless the content runs on a large enough capacity-based plan. Sharing a sales dashboard with hundreds of outlet staff gets expensive
  • Licensing keeps moving. Microsoft is folding Power BI into its broader Microsoft Fabric platform, so check current terms before you commit to a multi-year plan

Tableau: where it shines and where it pinches

Strengths

  • Visual exploration. Analysts can drag fields onto a canvas and follow a question wherever it leads, which suits teams asking new questions every week
  • Cross-platform authoring. Tableau Desktop runs on both Windows and macOS
  • Design flexibility. Fine control over layout and visual detail, plus level-of-detail expressions for tricky aggregations
  • Salesforce connection. Companies running Salesforce CRM get a natural path to analyze that data

Catches

  • Higher cost per user. Tableau prices by role, and a Creator license costs several times a Power BI Pro license. Viewer licenses still add up for large audiences
  • Data preparation is separate. Tableau Prep handles cleaning, which means another tool to learn and schedule
  • Administration takes real time. Projects, permissions and extract refresh schedules on Tableau Cloud or Tableau Server need an owner
  • Tableau Public is public. It is free, but anything published there is visible to anyone, so never use it for company data

Custom dashboards: when building beats buying

A custom dashboard is a web application built for your data and your users, either coded from scratch with charting libraries or assembled on an open-source BI tool. It is the right choice in four situations:

  1. The audience is outside your company. Distributors, franchisees, clients and suppliers should see their own numbers under your brand, without per-viewer licenses for hundreds of accounts
  2. The dashboard is part of a product. A logistics company showing shipment performance to customers inside its portal needs dashboards that look and behave like the rest of the portal
  3. The workflow needs actions. Approving a purchase order from a chart, setting monthly targets or sending a WhatsApp reminder from an overdue list goes beyond what BI tools are designed for. They are built mainly for reading data
  4. Field use on phones. Sales staff on patchy mobile connections need light pages with only the numbers that matter to them

Open-source tools such as Apache Superset and Metabase sit in the middle. They can be self-hosted without per-viewer license fees, and they suit teams comfortable with SQL. You still pay for hosting, setup and upkeep.

The catches are real. You pay for development upfront, maintenance becomes your responsibility, and every new chart request goes through developers unless you design for self-service. Analysts also lose the free-form exploration a BI tool gives them, which is why many companies keep a BI tool for internal analysts and build custom views only for external or operational audiences. The general build-or-buy logic in our guide to custom software vs off-the-shelf applies here too.

How to choose in five steps

  1. List your audiences and count viewers. Management, branch managers, analysts and external partners have different needs. Many Power BI vs Tableau debates end at this step, because licensing cost follows the audience size
  2. Inventory your data sources. Accounting software such as Accurate or Jurnal, your POS, marketplace exports from Tokopedia and Shopee, spreadsheets and any ERP. Check which have connectors and which need a central database first
  3. Agree on the decisions and KPIs before the tool. A dashboard is only useful if it answers questions someone acts on; our guide to data-driven decision making shows how to pick them
  4. Build the same three reports in each candidate, with your own data. Power BI Desktop is free and Tableau offers a trial. Demo data hides the problems you will actually face
  5. Compare three-year cost and governance. Multiply licenses by viewers by 36 months, then add development, data preparation, training and admin time. Check single sign-on, row-level security so each branch sees only its own data, and where the data is stored, which our cloud vs on-premise guide covers

This summary can shorten the discussion:

Your situation Likely best fit
Internal viewers, Microsoft 365, Excel-heavy finance team Power BI
Small analyst team exploring data daily, Mac users or Salesforce CRM Tableau
Dashboards for distributors, clients or franchisees Custom or embedded dashboard
Limited budget, SQL-capable staff, internal use only Self-hosted open-source BI
Dashboards that trigger actions or live inside your app Custom dashboard

Watch for three common mistakes: buying licenses for everyone on day one, letting each analyst define "revenue" differently, and skipping a shared data model so every report repeats the same cleaning work.

FAQ

Can Power BI or Tableau read our Tokopedia and Shopee data directly?

Usually not out of the box. The common path is to pull orders through the marketplace's seller API, or through scheduled exports, into a central database, and then point the dashboard tool at that database. Third-party connectors exist for some platforms; before using one, check what data it stores, where it stores it and who can access it, because order data contains customer names and addresses.

Can we switch from Power BI to Tableau later?

Yes, but the reports themselves must be rebuilt, because DAX measures and Tableau calculations do not convert automatically. What carries over is the data work underneath. If your cleaned data lives in a database with documented definitions, moving tools means redrawing charts rather than redoing months of cleaning, which is a good reason to keep business logic out of the visual layer.

Is Excel enough for management reporting?

For a small team with one data source, often yes. The warning signs are reports that take days to compile each month, numbers that differ depending on who prepared them, and files too large to open comfortably. Our list of signs your business has outgrown spreadsheets can help you judge whether it is time to move.

Do we need a data warehouse before buying a BI tool?

Not always. With one or two clean sources and modest volumes, the BI tool's own data model can be enough to start. Once you combine several systems, need several years of history, or see different reports disagree, a central database becomes worth its cost. Starting small and moving the model into a database later is a reasonable path.

How Weaveward can build this for you

We would begin with the decisions your dashboards must support and an inventory of your data sources, then build a central data model: a cleaned, documented database of sales, stock and finance figures that any front end can read. The first delivery would be three priority reports on that model, either in the BI tool you choose or as a custom web dashboard, checked line by line against your finance team's numbers before rollout. Because the model is separate from the tool, you can start with Power BI or Tableau and add a branded portal for partners later without redoing the data work.

Learn more about our data analytics and dashboard services, or talk to our team about which option fits your company.

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