Comparison

Calc vs Dev Calc

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

Head to head
About

Calc

This app offers a high-precision scientific calculator with over 50 digits of accuracy. It supports advanced mathematical functions, complex arithmetic, and programmable features for derivatives, integrals, and root finding.

Highlights
  • High-precision calculations (50+ digits)
  • Extensive mathematical functions
  • Programmable features
  • Complex arithmetic
  • Graphing capabilities
  • Derivative and integral calculation
Features
Read full description

Calc-50 is a high-precision scientific graphing RPN calculator. It carries over 50 digits of accuracy and has a large number of mathematical functions, including trig and hyperbolic functions and their inverses, and math special functions such as gamma, beta, psi, exponential integral, sine, cosine, and log integrals, Bessel functions, and more. It is programmable, with functions that take user functions and find derivatives, integrals, function max/min, and roots. Calc-50 also provides complex arithmetic and elementary functions.

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/

Screenshots

Calc1 screens
Dev Calc4 screens

Verdict

The call

The clearest difference is rating: Calc at 3.0 against Dev Calc's 2.0. Calc also leads on in-app purchases (none vs 1) and ads (none vs shown). Dev Calc's advantage is update cadence (every 2 months vs every 10 months) and review sentiment (60% vs 50%). On price, ratings volume, device support and iOS requirement 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

Both are free to download. Dev Calc sells 1 in-app purchase, starting at $1.99 per month. Calc asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calc holds the better App Store score, 3.0 against 2.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews complicate that: 50% of Calc's written reviews are positive against 60% of Dev Calc's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Calc ships an update every 10 months, Dev Calc every 2 months. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

Scorecard6 real differences · 4 level
Calc versus Dev Calc: the parameters behind the verdict, then further details
ParameterCalcDev Calc
PriceFreeFree
Rating3.0 (2 ratings) — better2.0 (2 ratings)
Positive reviews50.0% of reviews60.0% of reviews — better
Number of ratings22
Update frequencyEvery 10 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size38 MB51 MB
Age rating4+4+
DeveloperDavid SmithToshiya Hondo

Customer experience

Calc

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Dev Calc

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews5 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

In-app purchases

None

Calc

No in-app purchases

1 purchases

Dev Calc

Subscriptions1
  • Remove Ads (Monthly)$1.991 Month

Questions

Is Calc free?
Calc is free to download, with no in-app purchases.
Is Dev Calc free?
Dev Calc is free to download, with in-app purchases available.
Which has better reviews, Calc or Dev Calc?
Calc is rated higher. Calc averages 3.0 out of 5 from 2 ratings, while Dev Calc averages 2.0 from 2 ratings.
Do Calc or Dev Calc have ads?
Dev Calc shows ads; Calc does not.
Which is updated more often, Calc or Dev Calc?
Calc ships an update every 10 months, and Dev Calc every 2 months. Most recently, Calc was updated on October 2, 2026 and Dev Calc on October 7, 2026.

Other comparisons