Softwr

Maps · head to head

IndoorAtlas vs SAGA GIS

IndoorAtlas logo

IndoorAtlas

Maps

Indoor positioning and navigation solutions using the Earth's magnetic field, WiFi, and Bluetooth beacons

From
Free
Rated
-
Full reviewWebsite
SAGA GIS logo

SAGA GIS

Maps

Open source terrain and geoscientific analysis with no vendor and no support contract available

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: IndoorAtlas requires labor-intensive fingerprinting process, walking every corridor to build magnetic map for each venue; SAGA GIS there is no commercial support contract available from anyone, so a procurement process that requires a named supplier with a service level cannot be satisfied and the organisation carries the whole operational risk itself
  • They diverge on capability: IndoorAtlas covers Core Functionality, SAGA GIS covers Terrain morphometry.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which IndoorAtlas and SAGA GIS actually diverge.

Attributes where IndoorAtlas and SAGA GIS differ
AttributeIndoorAtlasSAGA GIS
Pricing modelfreemiumOpen source, no licence fee
PlatformsiOS, Android, WebWindows, Linux, macOS
Founded2012Unknown

Identical on both: starting price (Free), free tier (Yes), 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 IndoorAtlas

  • Core Functionality
  • User Interface

Only in SAGA GIS

  • Terrain morphometry
  • Hydrological modelling
  • Geostatistics
  • Image analysis
  • Module library
  • QGIS integration
  • Python and R bindings

What people use each for

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

IndoorAtlas

  • Routing customers to deals in large retail spacesnot SAGA GIS
  • Guiding visitors through shopping centers and airportsnot SAGA GIS
  • Optimizing workplace space with movement analyticsnot SAGA GIS
  • Tracking dwell times and visitor movement patternsnot SAGA GIS

SAGA GIS

  • A hydrologist deriving catchment boundaries and flow networks from a national elevation model at a resolution commercial tools slow down onnot IndoorAtlas
  • A soil science team producing interpolated property surfaces with documented geostatistical methods for a peer-reviewed papernot IndoorAtlas
  • A government environmental analyst who needs a terrain index that no commercial GIS implements and does not want to write it from scratchnot IndoorAtlas
  • A QGIS user who has hit the limits of the native toolbox and needs the SAGA algorithms already exposed in the processing frameworknot IndoorAtlas

Where each one falls short

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

IndoorAtlas

  • Requires labor-intensive fingerprinting process, walking every corridor to build magnetic map for each venue
  • Magnetic signatures degrade over time, requiring periodic re-fingerprinting as the environment changes
  • Magnetic interference from external sources and devices disrupts positioning accuracy
  • Positioning inconsistent across different smartphone models due to magnetometer heterogeneity
  • High cost to deploy and maintain, with expensive implementation for wide-scale adaptation

SAGA GIS

  • There is no commercial support contract available from anyone, so a procurement process that requires a named supplier with a service level cannot be satisfied and the organisation carries the whole operational risk itself
  • The project explicitly states that everyone working on it has another job and that answers may take a while, which means an urgent production failure has no escalation path
  • The interface is dated and inconsistent across modules, and cartographic output is poor, so most users treat it as an analysis engine and produce maps somewhere else
  • Documentation for many of the several hundred modules is a parameter list without explanation of method or expected input, so choosing the right algorithm often requires reading the source or a published paper
  • Development is concentrated in a small group, which creates real key-person risk: a change in the circumstances of a handful of maintainers would slow or stop releases, and there is no organisation obliged to continue them

Pricing, plan by plan

IndoorAtlas

Free
  • TrialFree
    • 1 venue
    • 10 end-users
    • 14 days data retention
  • Develop Lite$59/month
    • 1 venue
    • 20 end-users
    • 30 days data retention
  • Develop$400/month
    • unlimited venues
    • 50 end-users
    • 1 hour monthly support
  • Pro$349/month per venue
    • unlimited venues and end-users
    • supports up to 10,000 m² per venue
    • basic technical support

SAGA GIS

Free
  • SAGA GISFree
    • GNU General Public Licence
    • No licence fee and no usage limits
    • No commercial support contract exists

Which should you pick?

Choose IndoorAtlas if

  • You need core functionality.
  • You want to start without paying.
  • You work on iOS, Android, Web.
  • You also want user interface.
IndoorAtlas review

Choose SAGA GIS if

  • You need terrain morphometry.
  • You want to start without paying.
  • You work on Windows, Linux, macOS.
  • You also want hydrological modelling.
SAGA GIS review

Questions people ask

Is IndoorAtlas or SAGA GIS better?
Neither clearly leads. IndoorAtlas starts at Free and SAGA GIS at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, IndoorAtlas or SAGA GIS?
IndoorAtlas starts at Free and SAGA GIS at Free.
Does IndoorAtlas or SAGA GIS run on more platforms?
IndoorAtlas runs on iOS, Android, Web. SAGA GIS runs on Windows, Linux, macOS.
Can I use IndoorAtlas for free?
Both have a free tier, so you can try either at no cost before committing.
What is IndoorAtlas best used for?
IndoorAtlas is most often used for routing customers to deals in large retail spaces, guiding visitors through shopping centers and airports, optimizing workplace space with movement analytics, tracking dwell times and visitor movement patterns. Of those, routing customers to deals in large retail spaces and guiding visitors through shopping centers and airports are not what SAGA GIS is typically brought in for.
What can IndoorAtlas do that SAGA GIS cannot?
IndoorAtlas covers Core Functionality, User Interface. SAGA GIS covers Terrain morphometry, Hydrological modelling, Geostatistics, Image analysis.

Answered from the vendors’ own pages

IndoorAtlas: How does IndoorAtlas determine positioning without beacons or hardware?

IndoorAtlas uses patented geomagnetic fusion technology that maps the Earth's magnetic field patterns inside buildings through a process called magnetic fingerprinting. The technology combines magnetometer data with other sensors like WiFi and Bluetooth for robust positioning.

Source
SAGA GIS: Who maintains SAGA GIS?

A small international developer community, originating from physical geography departments at the universities of Göttingen and Hamburg. It is hosted on SourceForge and releases continue in the 9.x line.

IndoorAtlas: What is the initial setup process for IndoorAtlas?

Setup requires fingerprinting the venue by systematically walking through all corridors and spaces to build a magnetic map. The platform then identifies problematic areas through red (conflicting data), blue (insufficient coverage), and path orientation errors that require correction before the map is production-ready.

Source
SAGA GIS: Can I buy support?

No. There is no vendor and no commercial support contract. The project itself states there is no hotline and no guaranteed support.

IndoorAtlas: What are IndoorAtlas's pricing plans?

IndoorAtlas offers production subscriptions starting at 349 euros per month per venue, with a development plan at 400 euros per month. A free tier is available for developers to start building.

Source
SAGA GIS: Do I need SAGA if I already run QGIS?

Often not, because many SAGA algorithms are available through the QGIS processing toolbox. Install SAGA directly when you need modules QGIS does not expose or want to script them independently.

IndoorAtlas: How accurate is IndoorAtlas positioning?

IndoorAtlas claims industry-leading accuracy down to 50 centimeters using its 6-layer sensor fusion core across diverse environments, though accuracy varies based on building magnetic patterns and requires careful calibration.

Source
SAGA GIS: What licence is it under?

The GNU General Public Licence, so you can modify and redistribute it under the same terms.

Share

Related pages

More on IndoorAtlas

More on SAGA GIS

Keep looking

Other head to heads