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Mining · head to head

GEOVIA GEMS vs UDEC

GEOVIA GEMS logo

GEOVIA GEMS

Mining

Comprehensive geology and mine planning solution

From
On request
Rated
-
Full reviewWebsite
U

UDEC

Mining

Universal distinct element code for mining analysis

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: GEOVIA GEMS no pricing published on vendor website; requires contact with sales team; UDEC the UDEC product page publishes no price and directs buyers to a quote request or an external software store
  • They diverge on capability: GEOVIA GEMS covers Geological modeling, UDEC covers Distinct element modeling.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which GEOVIA GEMS and UDEC actually diverge.

Attributes where GEOVIA GEMS and UDEC differ
AttributeGEOVIA GEMSUDEC
PlatformsWindowsWindows, Linux

Identical on both: starting price (On request), pricing model (subscription), free tier (No), user rating (Not yet rated), category (Mining), founded (1981).

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 GEOVIA GEMS

  • Geological modeling
  • Multi-element analysis
  • Resource estimation
  • Mine planning
  • Reserve reporting
  • MineSched
  • Whittle
  • Surpac

Only in UDEC

  • Distinct element modeling
  • Joint network modeling
  • Block interaction analysis
  • Support interaction
  • Dynamic analysis
  • FLAC3D
  • 3DEC
  • Leapfrog

Both cover

  • Windows support

What people use each for

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

GEOVIA GEMS

  • Complex deposit modelingnot UDEC
  • Multi-element estimationnot UDEC
  • Strategic planningnot UDEC
  • Reserve calculationsnot UDEC
  • Compliance reportingnot UDEC

UDEC

  • Geotechnical engineering simulationsnot GEOVIA GEMS
  • Discrete element modeling and analysisnot GEOVIA GEMS
  • Mining and tunneling software analysisnot GEOVIA GEMS

Where each one falls short

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

GEOVIA GEMS

  • No pricing published on vendor website; requires contact with sales team

UDEC

  • The UDEC product page publishes no price and directs buyers to a quote request or an external software store
  • Fluid Flow, Barton-Bandis joint analysis, Creep, Thermal and User Defined Models are optional add ons charged on top of the base licence
  • Writing custom constitutive models requires the separately licensed UDM option and C++ programming
  • Purchases through the Buy Now route are prepaid annual subscriptions rather than a permanent licence

Pricing, plan by plan

GEOVIA GEMS

On request
  • GEMS Core$10000/year
    • Geological modeling
    • Data management
    • 3D visualization
  • GEMS Professional$18000/year
    • Advanced geostatistics
    • Mine design
    • Multi-element modeling

UDEC

On request
  • UDEC Professional$19000/year
    • Distinct element analysis
    • Joint modeling
    • Block interaction

Which should you pick?

Choose GEOVIA GEMS if

  • You need geological modeling.
  • You work on Windows.
  • You also want multi-element analysis.
GEOVIA GEMS review

Choose UDEC if

  • You need distinct element modeling.
  • You work on Windows, Linux.
  • You also want joint network modeling.
UDEC review

Questions people ask

Is GEOVIA GEMS or UDEC better?
Neither clearly leads. GEOVIA GEMS starts at On request and UDEC at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GEOVIA GEMS or UDEC?
GEOVIA GEMS starts at On request and UDEC at On request.
Does GEOVIA GEMS or UDEC run on more platforms?
GEOVIA GEMS runs on Windows. UDEC runs on Windows, Linux.
What is GEOVIA GEMS best used for?
GEOVIA GEMS is most often used for complex deposit modeling, multi-element estimation, strategic planning, reserve calculations. Of those, complex deposit modeling and multi-element estimation are not what UDEC is typically brought in for.
What can GEOVIA GEMS do that UDEC cannot?
GEOVIA GEMS covers Geological modeling, Multi-element analysis, Resource estimation, Mine planning. UDEC covers Distinct element modeling, Joint network modeling, Block interaction analysis, Support interaction. Both handle Windows support.

Answered from the vendors’ own pages

GEOVIA GEMS: How much does Geovia GEMS cost?

Pricing information is not published on the Geovia GEMS website. Customers must contact the sales team directly to obtain quotes and licensing terms.

Source
UDEC: How much does UDEC cost?

UDEC pricing is not published on the product page. The vendor directs inquiries through an 'Ask an Expert' contact option at [email protected] or a 'Request a Quote' option through the itascasoftware.com store.

Source
UDEC: What is UDEC's pricing model?

UDEC is available through a subscription model rather than one-time licensing. Prepaid annual subscriptions are available through the software store, and pricing is customized based on quote requests.

Source
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