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Maps · head to head

Kepler.gl vs What3words

Kepler.gl logo

Kepler.gl

Maps

Powerful open-source geospatial analysis tool for large-scale datasets, enabling beautiful data visualizations without coding

From
On request
Rated
-
Full reviewWebsite
What3words logo

What3words

Maps

What3words has divided the world into 3m squares and given each one

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Kepler.gl kepler.gl is a free open source library with no vendor-sold edition; confirmed by the absence of any App Store, marketplace or G-Cloud listing, support is limited to community GitHub issues rather than a purchased SLA.; What3words the free API plan includes no coordinate conversion, only AutoSuggest, and is rate limited to 5 requests per second
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Kepler.gl and What3words actually diverge.

Attributes where Kepler.gl and What3words differ
AttributeKepler.glWhat3words

Identical on both: starting price (On request), pricing model (freemium), free tier (No), platforms (Web), user rating (Not yet rated), category (Maps).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Kepler.gl

Nothing recorded that What3words does not also cover.

Only in What3words

Nothing recorded that Kepler.gl does not also cover.

Both cover

  • Core Functionality
  • User Interface

What people use each for

The jobs each tool is most often brought in to do.

Kepler.gl

No use cases recorded yet. See the Kepler.gl review.

What3words

  • Referring to a 3 metre square location with three wordsnot Kepler.gl
  • Adding location entry to a delivery or dispatch appnot Kepler.gl
  • Converting between coordinates and what3words addresses via APInot Kepler.gl

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Kepler.gl

  • Kepler.gl is a free open source library with no vendor-sold edition; confirmed by the absence of any App Store, marketplace or G-Cloud listing, support is limited to community GitHub issues rather than a purchased SLA.

What3words

  • The free API plan includes no coordinate conversion, only AutoSuggest, and is rate limited to 5 requests per second
  • Converting to and from what3words addresses starts on the Basic plan at $9.99 per month for 1,000 conversions
  • Priority and developer support require the Standard plan at $45 per month
  • 24/7 phone support requires the Plus plan at $125 per month
  • Custom invoicing and annual payment require the Premium plan at $300 per month
  • Overage pricing is not published; the page states only that a fair usage policy applies
  • The three word address scheme is proprietary and licensed rather than open data

Pricing, plan by plan

Kepler.gl

On request

No published plan breakdown. See the Kepler.gl review.

What3words

On request

No published plan breakdown. See the What3words review.

Which should you pick?

Choose Kepler.gl if

Nothing in the data separates Kepler.gl from What3words on the points above - pick on price and on how each one feels to use.

Kepler.gl review

Choose What3words if

Nothing in the data separates What3words from Kepler.gl on the points above - pick on price and on how each one feels to use.

What3words review

Questions people ask

Is Kepler.gl or What3words better?
Neither clearly leads. Kepler.gl starts at On request and What3words at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Kepler.gl or What3words?
Kepler.gl starts at On request and What3words at On request.
Does Kepler.gl or What3words run on more platforms?
Both run on Web, so platform support will not decide this one for you.
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