Comparison

Geometry Calculator lite vs RafterTools+ Dark

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

Head to head
About

Geometry Calculator lite

Calculate key parameters for 26 geometric shapes, including 2D planes and 3D solids. Offers 783 calculations with interactive 3D views for solids. Supports multiple languages and devices.

Highlights
  • Calculates parameters for 26 geometric shapes
  • Supports 783 different calculations
  • Interactive 3D view for solids
  • Covers 2D planes and 3D solids
  • Available in multiple languages
  • Works on iPhone and iPad
Features
Read full description

Geometry Calculator – Now with 3D View Geometry Calculator is designed to calculate all key parameters of 26 geometric shapes, including both planes and solids. With 783 calculations, this app is perfect for students, engineers, and professionals who need quick, reliable results. What’s New • 3D View for Solids – explore shapes like Cube, Sphere, Cylinder, and more in interactive 3D. Supported Shapes 2D Shapes: • Circle, Annulus, Ellipse, Torus • Square, Rectangle, Triangle (Equilateral, Isosceles, Right, Theorems) • Parallelogram, Rhombus, Trapezoid, Polygon 3D Solids: • Cube, Cuboid, Capsule, Cone, Cylinder • Conical Frustum, Square Pyramid, Sphere, Hemisphere, Tube Available Calculations • Area & Surface Area • Perimeter & Semiperimeter • Volume • Angles • Radius, Diameter, Circumference • Side Length, Diagonal, Height, Width, Altitude, Slant Height • Inradius & Circumradius • Median & Thickness Compatibility • Works seamlessly on iPhone and iPad • Available in: English, Français, Español, Italiano, Deutsch, Português, Nederlands, 中文 (Chinese), Türkçe (Turkish), العربية (Arabic), Polski (Polish), 日本語 (Japanese)

About

RafterTools+ Dark

Features
Read full description

RafterTools+ Dark: Advanced Roof Framing Geometry, Stereotomy, Trigonometry & Roof Cutting-Framing In the evolving world of carpentry, mastering roof framing requires precision, deep knowledge, and the right tools. RafterTools+ Dark is designed to elevate both apprentices and seasoned carpenters by providing a comprehensive suite of calculators and resources, ensuring confidence and accuracy in every project. To truly thrive as a professional carpenter today, you need more than top-notch equipment—you need digital support. The RafterTools+ Dark app complements your toolkit, empowering you to transition from apprentice to journeyman, or become the most knowledgeable rough frame carpenter on any jobsite. Key Features and Calculators Equal Pitched Hip Roof Calculator Irregular Hip Roof Calculator Octagon Roof Calculator Timber Framing Angles Calculator Polygon Roof Calculator (3-16 sided) Irregular Hip Rafter Angles Calculator Bay Window Rafter Angles Calculator Bay Window Hip Roof Calculator Barrel Dormer Roof Calculator Eyebrow Dormer Roof Calculator Round Tower Roof Calculator Elliptical X-Y Coordinates Calculator Elliptical Hip Rafters Calculator Carpenter’s Calculator Roof Framing Knowledge Base Groin Vault Calculator With Barrel Groin Vaults With Gothic Groin Vaults With Parabolic Groin Vaults Comprehensive Knowledge Base The app includes a searchable roof framing knowledge base with links to over 300 roof framing techniques and more than 800 drawings covering geometry, stereotomy, and trigonometry. These resources make complex concepts accessible and practical for any skill level. The RafterTool+ Dark website has links to help files for each of the calculators. Customizable Controls With flexible control settings, users can adjust the animated blade speed, making it possible to keep up with fast-paced thinking and intricate calculations. This feature ensures the app adapts to your workflow and learning style. Whether you're aiming to perfect your craft or tackle challenging roof designs, RafterTools+ Dark is the digital companion that supports your journey to mastery in carpentry.

Screenshots

Geometry Calculator lite4 screens
RafterTools+ Dark4 screens

Verdict

The call

The clearest difference is price: Geometry Calculator lite at Free against RafterTools+ Dark's $17.99. Geometry Calculator lite also leads on iOS requirement (17.6 vs 26.0). RafterTools+ Dark's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence 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

Geometry Calculator lite is free to download; RafterTools+ Dark costs $17.99 up front. Geometry Calculator lite sells 1 one-off in-app purchase. RafterTools+ Dark asks for nothing beyond the download.

UpkeepUpdate frequency

Geometry Calculator lite ships an update every 5 weeks, RafterTools+ Dark every 3 weeks. The most recent releases landed on October 18, 2026 and October 11, 2026 respectively.

Scorecard4 real differences · 6 level
Geometry Calculator lite versus RafterTools+ Dark: the parameters behind the verdict, then further details
ParameterGeometry Calculator liteRafterTools+ Dark
PriceFree — better$17.99
Rating4.5 (78 ratings) — better—
Positive reviews41.7% of reviews—
Number of ratings78 — better—
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better26.0
Further details — not scored
Size56 MB47 MB
Age rating4+4+
DeveloperV PUGAZHENTHISim Ayers

In-app purchases

1 purchases

Geometry Calculator lite

One-time1
  • 25 Geometry Calculators$2.99
None

RafterTools+ Dark

No in-app purchases

Questions

Is Geometry Calculator lite free?
Geometry Calculator lite is free to download, with in-app purchases available.
Is RafterTools+ Dark free?
RafterTools+ Dark costs $17.99, with no in-app purchases.
Do Geometry Calculator lite or RafterTools+ Dark have ads?
Geometry Calculator lite shows ads; RafterTools+ Dark does not.
Which is updated more often, Geometry Calculator lite or RafterTools+ Dark?
Geometry Calculator lite ships an update every 5 weeks, and RafterTools+ Dark every 3 weeks. Most recently, Geometry Calculator lite was updated on October 18, 2026 and RafterTools+ Dark on October 11, 2026.

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