Decimal Rounding vs Geometry Calculator.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decimal Rounding
This educational app helps users learn and practice rounding decimal numbers. It offers guided step-by-step problem-solving with customizable settings for a stress-free learning experience. Ideal for students and anyone needing to master decimal rounding.
- Learn decimal rounding
- Customizable problems
- Random problem generation
- Step-by-step guidance
- Stress-free learning environment
- Adjustable interface colors and animations
Read full descriptionHide full description
Decimal Rounding helps students learn and practice rounding decimal numbers step by step. Students can solve randomly generated problems or enter their own decimal numbers. Decimals can be rounded to the nearest whole number, tenth, hundredth, or thousandth. They can also be rounded to 0, 1, 2, or 3 decimal places. The app guides students through each problem one step at a time. There are no penalties for wrong answers, no timers, and no pressure. The clean interface helps create a calm learning environment. Features: - Decimal numbers can have 2–8 digits - Randomly generated or manually entered problems - Round to the nearest whole number, tenth, hundredth, or thousandth - Round to 0, 1, 2, or 3 decimal places - Customizable interface colors - Adjustable animation speed - Different interfaces for iPhone and iPad - Portrait and landscape orientation on iPad Other iDevBooks Math Apps: Other iDevBooks math apps include Column Subtraction, Column Addition, Long Division, Long Multiplication, Lattice Multiplication, Visual Multiplication Table, Fraction Math, Partial Differences Subtraction, Partial Quotients Division, Partial Sums Addition, and more. Feedback: New ideas to make this app better are welcome. Please visit idevbooks.com to give feedback. Privacy: This app has no ads, no in-app purchases, and does not transmit user data during operation. The app also does not contain links to other apps or to the web.
Geometry Calculator.
This app serves as a comprehensive geometry guide, offering calculations for 26 different 2D shapes and 3D solids. It covers essential parameters like area, volume, radius, and angles, making it a complete reference for geometric computations.
- Calculations for 26 geometric shapes, planes, and solids
- 783 distinct geometric calculations
- Covers 2D shapes and 3D solids
- Calculates area, volume, radius, circumference, and more
- Available in multiple languages
- Complete geometry guide and reference
Read full descriptionHide full description
Ever wondered how many geometric shapes, planes, and solids exist—and how to calculate their parameters? Then this is the app for you! Geometry Calculator includes 26 shapes, planes, and solids with 783 calculations, covering: 2D Shapes & Planes: • Circle, Annulus, Ellipse, Torus • Square, Rectangle, Triangle, Triangle Theorems • Equilateral Triangle, Isosceles Triangle, Right Triangle • Parallelogram, Rhombus, Trapezoid, Polygon • Distance, 2D Distance, 3D Distance 3D Solids: • Cube, Cuboid, Capsule, Cone, Cylinder • Conical Frustum, Square Pyramid, Sphere, Hemisphere, Tube This app calculates essential geometric parameters, including: • Area & Surface Area • Radius, Diameter & Circumference • Length, Side Length & Diagonal Length • Height, Slant Height, Width & Altitude • Median & Angles • Volume & Thickness • Inradius & Circumradius • Perimeter & Semiperimeter Available in: English, Français, Español, Italiano, Deutsch, Português, Nederlands & Chinese. A Complete Geometry Guide and Reference!
Screenshots
Verdict
The clearest difference is review sentiment: Decimal Rounding at 100% against Geometry Calculator.'s 50%. Decimal Rounding also leads on rating (5.0 vs 4.6) and chart position (#191 vs unranked). Geometry Calculator.'s advantage is ratings volume (33 vs 2) and update cadence (every 5 months vs every 12 months). On ads, in-app purchases, monetization model 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
Decimal Rounding costs $3.99 and Geometry Calculator. $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Decimal Rounding holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Geometry Calculator. has 33 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Decimal Rounding's written reviews are positive against 50% of Geometry Calculator.'s.
Decimal Rounding ships an update every 12 months, Geometry Calculator. every 5 months. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.
| Parameter | Decimal Rounding | Geometry Calculator. |
|---|---|---|
| Price | $3.99 | $2.99 — better |
| Rating | 5.0 (2 ratings) — better | 4.6 (33 ratings) |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 2 | 33 — better |
| Update frequency | Every 12 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #191 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.6 | 17.6 |
| Further details — not scored | ||
| Size | 1 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Esa Helttula | V PUGAZHENTHI |
Customer experience
Decimal Rounding
Geometry Calculator.
In-app purchases
Decimal Rounding
No in-app purchases
Geometry Calculator.
No in-app purchases
Questions
Is Decimal Rounding free?
Is Geometry Calculator. free?
Which has better reviews, Decimal Rounding or Geometry Calculator.?
Do Decimal Rounding or Geometry Calculator. have ads?
Which is updated more often, Decimal Rounding or Geometry Calculator.?
Other comparisons
