GeoGebra Geometry vs Or Simplex Step
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GeoGebra Geometry
Create geometric constructions like triangles, lines, and circles. Explore interactive geometry by dragging elements, measuring lengths and areas, and transforming shapes. Save and share your creations, and discover learning activities.
- Construct points, lines, circles, and polygons
- Explore interactive geometry by dragging
- Measure lengths and areas
- Transform shapes (mirror, rotate, dilate)
- Advanced constructions with conics and locus
- Investigate construction steps
- Search for learning activities
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Easily construct triangles, drag points, draw parallel lines, intersect circles, save and share your results. Millions of people around the world use GeoGebra to learn mathematics and science. Join us! • Create constructions with points, lines, circles, polygons, and angles • Explore interactive geometry by dragging points • Measure lengths and areas • Transform shapes by mirroring, rotating and dilating them • Try advanced constructions with conics and locus lines • Investigate construction steps to get deeper understanding • Search for free learning activities directly from our app • Save and share your results with others We’d love to hear from you: send us your questions or feedback via Twitter @geogebra or via https://help.geogebra.org
Or Simplex Step
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OR Simplex Step-by-Step is a comprehensive Operations Research solver for students. Built and validated with professors at Kyiv Polytechnic University, it is used by students worldwide. EVERY METHOD YOU NEED - Simplex method: classical, Two-Phase, and Big-M - Integer programming: Branch and Bound - 2D graphical method: feasible region, objective line, and optimum - 3D polytope visualization for 3-variable linear programming: rotate and explore the feasible region - Sensitivity and post-optimal analysis: ranges, shadow prices, and RHS intervals - Transportation problem: North-West Corner, Least-Cost, and Vogel's Approximation (VAM) - MODI / U-V method: optimality test and refinement - Assignment problem: Hungarian algorithm - Job sequencing: 2, 3, and N machines using Johnson's algorithm WHY STUDENTS CHOOSE IT - Step-by-step explanations with every iteration described in plain language - Exact fraction arithmetic to avoid rounding errors - Dedicated math keyboard for fractions, signs, and decimals - Problem history to save, reopen, and edit past problems - 8 languages: English, Spanish, French, Portuguese, Russian, Ukrainian, Arabic, and Persian - No account required
Screenshots
Verdict
The clearest difference is in-app purchases: GeoGebra Geometry at none against Or Simplex Step's 1. GeoGebra Geometry also leads on ads (none vs shown). Or Simplex Step's advantage is update cadence (every 10 days vs monthly). On price, 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
Both are free to download. Or Simplex Step sells 1 one-off in-app purchase. GeoGebra Geometry asks for nothing beyond the download.
GeoGebra Geometry ships an update monthly, Or Simplex Step every 10 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.
| Parameter | GeoGebra Geometry | Or Simplex Step |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (76 ratings) — better | — |
| Positive reviews | 55.2% of reviews | — |
| Number of ratings | 76 — better | — |
| Update frequency | Monthly | Every 10 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 104 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | GeoGebra GmbH | Bohdan Bezpartochnyi |
Bugs and requests
GeoGebra Geometry
Reported bugs
13 issues- App crashes when adjusting line thickness
- Unexpected crashes when switching apps
- Random crashes losing all work
- White space appearing in toolbox after app switching
- Crashes when working with reflected circles
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- App fails to launch on certain iPad models
- Crashes when using tangent tool
- Crashes on iPhone devices
- Help button crashes the app
- Implicit curve equations display incorrectly
- Palm rejection issues with Apple Pencil
- Accidental app closure during work
- Data loss on app restart
Requested features
19 requests- Save and load projects within the app
- Open local files functionality
- Copy and paste objects
- Undo/redo buttons
- Layer support for complex designs
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- Remove all objects at once function
- Dynamic sliders for shape manipulation
- Dark theme option
- Distance and angle measurement tools
- Text insertion and LaTeX support
- Image import from gallery
- Trace/locus function
- 3D coordinate system support
- Group objects functionality
- Vertical and horizontal line snapping
- Better help documentation for iPad
- Customizable tool palette
- Move labels by clicking
- Export partial screen regions
Or Simplex Step
Not enough reviews yet to summarise bugs or requests.
In-app purchases
GeoGebra Geometry
No in-app purchases
Or Simplex Step
- OR Commented Pro$2.99
Questions
Is GeoGebra Geometry free?
Is Or Simplex Step free?
Do GeoGebra Geometry or Or Simplex Step have ads?
Which is updated more often, GeoGebra Geometry or Or Simplex Step?
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