Comparison

MohrSolver vs GPlates

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MohrSolver

Features
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Explore plane stress with Mohr's circle. Enter the normal stresses in the x and y directions and the in-plane shear stress using the familiar stress-element diagram. • Calculate principal stresses, principal directions and maximum in-plane shear stress • View Mohr's circle and the calculation results • Inspect stresses on a rotated plane • Save calculations and share results • Load an example and consult the built-in reference • Select a stress-unit label for MPa, kPa, Pa, psi or ksi Use the same unit for all three inputs. Changing the unit label does not convert values already entered. Small contextual banner ads may appear outside the calculator controls. Remove banner ads with an optional one-time Remove Ads purchase. Restore Purchases is available in Support. No subscription or app account is required.

About

GPlates

Explore Earth's geological history by reconstructing and visualizing spatial data through geological time. This tool offers an intuitive interface for students, teachers, researchers, and enthusiasts to understand our planet's evolution.

Highlights
  • Reconstruct spatial data
  • Visualize geological time
  • Intuitive interface
  • Explore Earth's history
  • Plate reconstruction software
Features
Read full description

The GPlates App is a powerful tool designed to enable users to reconstruct and visualise spatial data through geological time. Built on top of the acclaimed plate reconstruction software, GPlates, the App benefits from the feature-rich web APIs and the flexible software architecture of its underlying technology. With its intuitive interface and advanced capabilities, the GPlates App is an invaluable tool for anyone seeking to gain a deeper understanding of the Earth's geological history. Whether you are a student, teacher, researcher, or just a curious enthusiast, the GPlates App is the perfect tool to explore our ever-evolving planet.

Screenshots

MohrSolver2 screens
GPlates4 screens

Verdict

The call

The clearest difference is ads: GPlates at none against MohrSolver's shown. GPlates also leads on update cadence (every 6 months vs every 58 months) and iOS requirement (15.6 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

MohrSolver ships an update every 58 months, GPlates every 6 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 7 level
MohrSolver versus GPlates: the parameters behind the verdict, then further details
ParameterMohrSolverGPlates
PriceFreeFree
Rating—2.7 (7 ratings) — better
Positive reviews—44.4% of reviews
Number of ratings—7 — better
Update frequencyEvery 58 monthsEvery 6 months — better
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size4 MB57 MB
Age rating4+4+
DeveloperWahlu Labs Pty LtdXiaodong Qin

In-app purchases

None

MohrSolver

No in-app purchases

None

GPlates

No in-app purchases

Questions

Is MohrSolver free?
MohrSolver is free to download, with no in-app purchases.
Is GPlates free?
GPlates is free to download, with no in-app purchases.
Do MohrSolver or GPlates have ads?
MohrSolver shows ads; GPlates does not.
Which is updated more often, MohrSolver or GPlates?
MohrSolver ships an update every 58 months, and GPlates every 6 months. Most recently, MohrSolver was updated on October 15, 2026 and GPlates on October 13, 2026.

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