Comparison

IMPACTUS vs Geometry Calc+Shapes

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

Head to head
About

IMPACTUS

Features
Read full description

IMPACTUS- Behavior Management to Excel Your Organization

About

Geometry Calc+Shapes

Features
Read full description

Quickly calculate areas, volumes, and angles of geometric shapes with a simple yet precise geometry calculator. Supports a wide range of shapes including triangles, circles, trapezoids, and 3D solids such as spheres, cylinders, and cones. Ideal for students, designers, and engineers in any field. ---------- 【Main Features】 ・Supports various shapes: triangles, circles, regular polygons, and 3D solids ・Automatically solves consistent values when multiple conditions are entered (supports multi-constraint calculation) ・Adjustable decimal precision and angle units (degrees / DMS) ・Save and share input values easily ・Export calculated results as images ---------- 【Full Access Plan】 The free version includes basic shapes (right triangle and circle). Purchasing the Full Access Plan unlocks all shapes, removes ads, and allows you to save without watching ads. You can also customize decimal precision freely. ---------- With advanced “multi-constraint” solving and automatic updates for interdependent sides and angles, the internal high-precision math engine ensures reliable results. Perfect for those who need accurate, efficient geometry calculations for study, design, or engineering work. --- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

IMPACTUS3 screens
Geometry Calc+Shapes4 screens

Verdict

The call

The clearest difference is in-app purchases: IMPACTUS at none against Geometry Calc+Shapes's 1. IMPACTUS also leads on update cadence (every 6 weeks vs every 7 months). On price, ads, device support and iOS requirement 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. Geometry Calc+Shapes sells 1 in-app purchase, starting at $7.99 per month. IMPACTUS asks for nothing beyond the download.

UpkeepUpdate frequency

IMPACTUS ships an update every 6 weeks, Geometry Calc+Shapes every 7 months. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 4 level
IMPACTUS versus Geometry Calc+Shapes: the parameters behind the verdict, then further details
ParameterIMPACTUSGeometry Calc+Shapes
PriceFreeFree
Update frequencyEvery 6 weeks — betterEvery 7 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhoneiPhone, iPad — better
Requires iOS17.6 — better18.4
Further details — not scored
Size3 MB5 MB
Age rating4++4
DeveloperFidelity SolutionJun Yamabe

In-app purchases

None

IMPACTUS

No in-app purchases

1 purchases

Geometry Calc+Shapes

Subscriptions1
  • Monthly Subscription$7.991 Month

Questions

Is IMPACTUS free?
IMPACTUS is free to download, with no in-app purchases.
Is Geometry Calc+Shapes free?
Geometry Calc+Shapes is free to download, with in-app purchases available.
Do IMPACTUS or Geometry Calc+Shapes have ads?
Neither IMPACTUS nor Geometry Calc+Shapes shows ads.
Which is updated more often, IMPACTUS or Geometry Calc+Shapes?
IMPACTUS ships an update every 6 weeks, and Geometry Calc+Shapes every 7 months. Most recently, IMPACTUS was updated on October 20, 2026 and Geometry Calc+Shapes on October 12, 2026.

Other comparisons