Comparison

Dev Calc vs Geek's hexadecimal calculator

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

Head to head
About

Dev Calc

This app assists developers and programmers with immediate numeric conversions between binary, octal, decimal, and hexadecimal formats. It also provides tools for generating color codes from RGB, HSL, and HSV values, with a color picker and preset options.

Highlights
  • Numeric conversion (Bin, Oct, Dec, Hex)
  • Signed/Unsigned options
  • Adjustable bit sizes (8, 16, 32, 64)
  • RGB, HSL, HSV color code generation
  • Color picker
  • Preset color options
Features
Read full description

You can convert numeric to Bin, Oct, Dec, Hex immediately with Signed, Unsigned. ** Introduction ** This is a calculator app to help System Developers and Programmers. Convert numeric to binary, octal, decimal, hex immediately. You can set conversion bit number and signed/unsigned, so you can adjust settings for binary, short, int, long. Also you can get clolor code for system application from RGB and Color Picker. And you can choose preset color simply. ** Overview ** - Convert numeric to binary, octal, decimal, hex immediately. - You can edit each digits for detailed confirmation. - You can get color code from RGB, HSL, HSV and Color Picker. - Using preset color, you can get color code quickly. ** Characteristics ** >> Numeric conversion - You can input numeric in binary, octal, decimal, hex. - You can choose bits size from 8bits, 16bits, 32bits, 64bits. - You can choose signed numeric or unsigned numeric. - you can edit each digits directly. >> Color code - You can see a color code in Hex, RGB, HSL and HSV. - Support alpha channel of color. - You can get a color code from RGB, HSL, HSV adjuster and Color Picker. - You can get a color code just by choosing a preset color. ** Terms of Use ** https://coconutsdevelop.com/en/terms/terms_of_use.html ** Developer website ** https://coconutsdevelop.com/

About

Geek's hexadecimal calculator

Features
Read full description

This is a clean and simple hexadecimal calculator for programmers. * Add free. * Supports hexadecimal, decimal, and binary integer arithmetic.
 * Supports double precision real number operation.
 * You can always convert numbers between integers and real numbers.
 * Haptics produce a keystroke feel. * Dark mode support.
 * Supports arithmetic operations, logic operations, bit shift, and modulo calculations.
 * Results can be copied to other applications using the clipboard.

Screenshots

Dev Calc4 screens
Geek's hexadecimal calculator2 screens

Verdict

The call

The clearest difference is price: Dev Calc at Free against Geek's hexadecimal calculator's $1.99. Dev Calc also leads on update cadence (every 2 months vs every 41 months) and iOS requirement (13.0 vs 18.6). Geek's hexadecimal calculator's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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 is free to download; Geek's hexadecimal calculator costs $1.99 up front. Dev Calc sells 1 in-app purchase, starting at $1.99 per month. Geek's hexadecimal calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Dev Calc ships an update every 2 months, Geek's hexadecimal calculator every 41 months. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

Scorecard5 real differences · 5 level
Dev Calc versus Geek's hexadecimal calculator: the parameters behind the verdict, then further details
ParameterDev CalcGeek's hexadecimal calculator
PriceFree — better$1.99
Rating2.0 (2 ratings) — better—
Positive reviews60.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 months — betterEvery 41 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, Vision Pro
Requires iOS13.0 — better18.6
Further details — not scored
Size51 MB2 MB
Age rating4+4+
DeveloperToshiya HondoTai Yamaguchi

In-app purchases

1 purchases

Dev Calc

Subscriptions1
  • Remove Ads (Monthly)$1.991 Month
None

Geek's hexadecimal calculator

No in-app purchases

Questions

Is Dev Calc free?
Dev Calc is free to download, with in-app purchases available.
Is Geek's hexadecimal calculator free?
Geek's hexadecimal calculator costs $1.99, with no in-app purchases.
Do Dev Calc or Geek's hexadecimal calculator have ads?
Dev Calc shows ads; Geek's hexadecimal calculator does not.
Which is updated more often, Dev Calc or Geek's hexadecimal calculator?
Dev Calc ships an update every 2 months, and Geek's hexadecimal calculator every 41 months. Most recently, Dev Calc was updated on October 7, 2026 and Geek's hexadecimal calculator on September 30, 2026.

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