Comparison

Dev Calc Pro (Hex Dec Oct Bin) vs Geometry

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

Head to head
About

Dev Calc Pro (Hex Dec Oct Bin)

This app converts numbers between binary, octal, decimal, and hexadecimal bases on a single screen. It also displays color hex codes and RGB values. It is designed for developers and does not include scientific or unit conversion functions.

Highlights
  • Binary, octal, decimal, hexadecimal conversion
  • Color hex code and RGB display
  • Large 19-digit decimal display
  • Conversion reset toggle
  • No ads (Pro Version)
Features
Read full description

The Calculator for Developer ※What is for Pro Version: No Ad & Full Screen Developer Calc includes the following features: ■ Binary, octal, decimal, and hexadecimal in one screen ■ Color Hex code, RGB in one screen ■ The maximum value : 0x0FFF FFFF FFFF FFFF ■ The minimum value : 0xF000 0000 0000 0000 ■ The large 19-digit display of decimal ■ Conversion reset ON/OFF The following features are not included: (Just For Simple) ■ Scientific: trigonometric, hyperbolic, and logarithmic functions ■ Conversion: length, area, volume, speed, weight, temperature; unit arithmetic

About

Geometry

Features
Read full description

The GeometrySolver is not just an app, its a canvas and a book too. This app not only solves the geometric shapes, it also teaches you the formulas related to each geometric shape as well as it draws the geometric shapes when solved. This app is designed by an engineer to the perfection with every details in mind. It calculates side, height, diagonals, apothem, diameter, radius, perimeter, circumference, area, lateral area, surface area, volume. Some shapes have a dedicated interactive tab to play around and draw those shapes of different dimensions. Each geometric shape has its corresponding formulas written beautifully in mathematical way. This is a perfect app for your kids to learn geometry interactively. Draw, solve, share the geometric shapes. Drawn/solved shapes are displayed with their properties (numeric values). The Solve tab of angle is dynamic and interactive. You can touch/drag on the surface to draw an angle or use the slider to draw an angle. It automatically saves your hard work locally on your device so you can come back and pick up from where you left off as your great effort will not be lost. There are so many common geometric shapes to learn from like square, circle, cylinder, cone, cuboid, pyramid, sphere and more There is also a Study page to help you with learning formulae related to many common geometric shapes. This is an app for all student groups. From high school to college to university students. Be creative. Enjoy the app!

Screenshots

Dev Calc Pro (Hex Dec Oct Bin)4 screens
Geometry4 screens

Verdict

The call

The clearest difference is update cadence: Geometry at monthly against Dev Calc Pro (Hex Dec Oct Bin)'s every 7 months. Geometry also leads on price ($1.99 vs $2.99). Dev Calc Pro (Hex Dec Oct Bin)'s advantage is iOS requirement (8.0 vs 15.1). On ads, in-app purchases 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

Dev Calc Pro (Hex Dec Oct Bin) costs $2.99 and Geometry $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Dev Calc Pro (Hex Dec Oct Bin) ships an update every 7 months, Geometry monthly. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 7 level
Dev Calc Pro (Hex Dec Oct Bin) versus Geometry: the parameters behind the verdict, then further details
ParameterDev Calc Pro (Hex Dec Oct Bin)Geometry
Price$2.99$1.99 — better
Rating3.5 (2 ratings) — better—
Positive reviews42.9% of reviews—
Number of ratings2 — better—
Update frequencyEvery 7 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.1
Further details — not scored
Size6 MB31 MB
Age rating4+4+
DeveloperQQ TSUBASAOm Prakash Chapagain

In-app purchases

None

Dev Calc Pro (Hex Dec Oct Bin)

No in-app purchases

None

Geometry

No in-app purchases

Questions

Is Dev Calc Pro (Hex Dec Oct Bin) free?
Dev Calc Pro (Hex Dec Oct Bin) costs $2.99, with no in-app purchases.
Is Geometry free?
Geometry costs $1.99, with no in-app purchases.
Do Dev Calc Pro (Hex Dec Oct Bin) or Geometry have ads?
Neither Dev Calc Pro (Hex Dec Oct Bin) nor Geometry shows ads.
Which is updated more often, Dev Calc Pro (Hex Dec Oct Bin) or Geometry?
Dev Calc Pro (Hex Dec Oct Bin) ships an update every 7 months, and Geometry monthly. Most recently, Dev Calc Pro (Hex Dec Oct Bin) was updated on October 6, 2026 and Geometry on October 12, 2026.

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