GeoGebra Geometry vs CNC Lathe Simulator
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
CNC Lathe Simulator
This educational tool simulates a CNC lathe for beginners in machine building. It allows users to learn G-code programming for turning operations with 3D visualization of tool movements and workpiece processing. Ideal for students and distance learning in metallurgy and engineering.
- G-code programming for turning operations
- 3D simulation of lathe and tool movements
- Workpiece surface visualization
- Control program file management
- Cutting tool geometric parameter setup
- Continuous and step-by-step program execution
- G-code reference guide
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CNC Lathe Simulator is a software simulator of a numerical control lathe is an educational methodological development intended for basic familiarization of novice machine building specialists with the principles of programming parts turning operations using standard G-code (ISO). The three-dimensional simulation model is based on a lathe with an inclined bed, equipped with a CNC system, a twelve-position turret head, a three-jaw chuck, a tailstock, a system for supplying lubricating and cooling liquid, and other units. The material is processed along two controlled axes. Field of application of the software product: educational process using computer technology: laboratory lessons of students in computer classes, distance learning, demonstration support of lecture material in the group of areas of training and specialties: «Metallurgy, Engineering and Material Processing». The main functions of the application: editing the code of control programs of a lathe, operations with control program files, setting up geometric parameters of a cutting tool, continuous/step-by-step execution of control program blocks, three-dimensional visualization of tool movements in the machine’s workspace, simplified visualization of the workpiece surface, calculation of processing modes, a brief reference guide on using G-code. https://sunspire.site/terms_of_service.html
Screenshots
Verdict
The clearest difference is price: GeoGebra Geometry at Free against CNC Lathe Simulator's $6.99. GeoGebra Geometry also leads on ratings volume (75 vs 14). On rating, review sentiment, update cadence and ads 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
GeoGebra Geometry is free to download; CNC Lathe Simulator costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.
CNC Lathe Simulator holds the better App Store score, 4.2 against 4.0. That said, the two scores are not equally well evidenced: GeoGebra Geometry has 75 ratings behind it against 14, so its average is the more settled of the two. Written reviews split almost evenly too, at 55% and 55% positive.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.
| Parameter | GeoGebra Geometry | CNC Lathe Simulator |
|---|---|---|
| Price | Free — better | $6.99 |
| Rating | 4.0 (75 ratings) | 4.2 (14 ratings) — better |
| Positive reviews | 55.2% of reviews — better | 54.7% of reviews |
| Number of ratings | 75 — better | 14 |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 104 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | GeoGebra GmbH | 旭 陈 |
Customer experience
GeoGebra Geometry
CNC Lathe Simulator
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
Show 14 moreShow fewer
- 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
CNC Lathe Simulator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
GeoGebra Geometry
No in-app purchases
CNC Lathe Simulator
No in-app purchases
Questions
Is GeoGebra Geometry free?
Is CNC Lathe Simulator free?
Which has better reviews, GeoGebra Geometry or CNC Lathe Simulator?
Do GeoGebra Geometry or CNC Lathe Simulator have ads?
Which is updated more often, GeoGebra Geometry or CNC Lathe Simulator?
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