FREEDOM251

Freedom251 › Compare

Side by side

Cesium ion vs Felt

Both stand on geo tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Cesium ion

Free plan APILinuxSelf-hosted+2

Cesium ion combines geospatial content processing, hosting, streaming, and presentation tools, with both cloud and self-hosted options. Compare plan quotas and usage terms with your intended deployment and audience.

Visit Cesium ion

Felt

Free plan AndroidAPIiPhone+5

Felt combines spatial analysis, data connections, field collection, and team collaboration in a cloud GIS platform. The free Personal plan is limited, and organizational plans require an annual contract with pricing available by inquiry.

Visit Felt

The facts

Cesium ionFelt
Free planYesYes
Open sourceNot publishedNo
Runs onAPI, Linux, Self-hosted, Web, WindowsAndroid, API, iPhone, Linux, Mac, Self-hosted, Web, Windows
Lowest paid planCommercial (individual): $149 a monthTeam: $199 a month
Plans published77
MakerNot publishedNot published
Websitecesium.comfelt.com
On geo tools#1 of 26#2 of 26

Cesium ion: what it does well

  • Processes point clouds, models, imagery, and terrain
  • Cesium Stories supports shareable web presentations without code
  • REST API can automate content pipelines
  • Self-hosted option supports disconnected or air-gapped deployments

What to know first

  • Community plan is for personal and non-commercial use
  • Usage must fit within account quotas
  • Commercial individual plans start at $149 a month

Felt: what it does well

  • Supports spatial SQL and natural-language analysis.
  • QGIS publishing preserves map styling and layer structure.
  • Field App supports offline capture and later syncing.
  • Real-time collaboration includes comments and permissions.
  • States SOC 2 Type II certification and GDPR compliance.

What to know first

  • Personal plan does not allow own data uploads.
  • Personal plan is not for business use.
  • Professional and Enterprise pricing is not published.
  • Professional limits monthly processing to 25 GB.

Alternatives to Cesium ion Alternatives to Felt The whole list