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Dev Calc -Developer Calculator

Dev Calc -Developer Calculator

by Toshiya Hondo

2 ratings
5 reviews
With Ads
๐Ÿ“Š Productivity
๐Ÿ› ๏ธ Developer Tools
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • July 18, 2021
  • December 14, 2025

Features

Developer

Toshiya Hondo
โœจPromote your app โœจ
Dev Calc -Developer Calculator screenshot #1 for iPhone
Dev Calc -Developer Calculator screenshot #2 for iPhone
Dev Calc -Developer Calculator screenshot #3 for iPhone
Dev Calc -Developer Calculator screenshot #4 for iPhone
Dev Calc -Developer Calculator screenshot #5 for iPhone
Dev Calc -Developer Calculator screenshot #6 for iPhone
Dev Calc -Developer Calculator screenshot #7 for iPhone
iphone
ipad
๐Ÿงพ$1.99
In-App Purchaseโ†˜๏ธŽ
โญ5
Reviewsโ†˜๏ธŽ
๐Ÿ”„6+ apps
Alternativesโ†˜๏ธŽ
โ“8 answered
FAQโ†˜๏ธŽ
๐Ÿ“ฆw/o updates
Updates frequencyโ†˜๏ธŽ
๐Ÿ–ผ๏ธGet Icon
Iconsโ†˜๏ธŽ

About

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.

โœ“Numeric conversion (Bin, Oct, Dec, Hex)
โœ“Signed/Unsigned options
โœ“Adjustable bit sizes (8, 16, 32, 64)
โœ“RGB, HSL, HSV color code generation
โœ“Color picker
โœ“Preset color options
Show original description

What's New in Dev Calc

2.1.4

December 14, 2025

* Improve the stability.

Subscription plans

Remove Ads (Monthly)

Remove ads from the app.

$1.991 Month
How to cancel Dev Calc subscription โ‰๏ธ

User reviews

Most RecentHighest RatedLowest Rated

App is awesome - but needs an Ad-Free version

I have tried many different hex calculator apps and so far have found this to be the best except for the fact that it is missing an Ad-Free version for some reason. I canโ€™t think why the developer would not give me the option to remove them with a simple in-app purchase.
ChoptecChoptec

ๅบƒๅ‘Šใชใ—ใซใ—ใฆ ๆœ‰ๅ„Ÿใงใ‚‚่‰ฏใ„

ไป•ไบ‹ใซไฝฟใ†ใฎใงๅบƒๅ‘ŠใŒๅ‡บใ‚‹ใฎใฏ็›ฎ้šœใ‚Šใงใ™ใ€‚
ๆœ‰ๅ„Ÿใงใ„ใ„ใฎใงๅบƒๅ‘Šใ‚’ๆถˆใ›ใพใ›ใ‚“ใ‹ใ€‚
ๅœŸใฎๅญ.TๅœŸใฎๅญ.T

ๆฉŸ่ƒฝใซไธๆบ€ใฏ็„กใ„ใงใ™ใŒ

ๆฌฒใ‚’่จ€ใ‚ใ›ใฆ่ฒฐใˆใฐใ€ใƒœใ‚ฟใƒณใฎๆจชๅน…ใ‚’ๅฐ‘ใ—ๆธ›ใ‚‰ใ—ใฆ็ธฆ๏ผˆ้ซ˜ใ•๏ผ‰ใ‚’ๅฐ‘ใ—ๅบƒใ’ใฆ่ฒฐใˆใ‚‹ใจๅ…ฅๅŠ›ใ—ใ‚„ใ™ใ„ใ‹ใชใใ€ใจใ€‚
iPhone4 iOS511iPhone4 iOS511

Needs Purchase Version

Too many ads, but this app is exactly what I need for converting between hex and binary and performing changes to specific binary bits and then getting the edited string back in hexadecimal very quickly for RFID programming and modification
Calvin_J123Calvin_J123

ๅบƒๅ‘Šๆถˆใ—ใฆใปใ—ใ„

ใ™ใ”ใไพฟๅˆฉใช้›ปๅ“ใงใ™ใ€‚
2้€ฒๆ•ฐใง้€”ไธญใฎใƒ“ใƒƒใƒˆใ‚’็ซ‹ใฆใŸใ‚Š้™ใ‚ใ—ใŸใ‚Šใ™ใ‚‹ใฎใŒ้ขๅ€’ใ ใฃใŸใฎใงใ™ใŒใ€็ฐกๅ˜ใซใงใใ‚‹ใฎใงๅŠฉใ‹ใฃใฆใพใ™ใ€‚
ๆœ‰ๆ–™ใ‚ชใƒ—ใ‚ทใƒงใƒณใงๅบƒๅ‘Šใ‚’ๆถˆใ›ใ‚‹ใ‚ˆใ†ใซใ—ใฆใปใ—ใ„ใงใ™ใ€‚
ๅ…ƒใƒ—ใƒญใ‚ฐใƒฉใƒžใƒผใ€็พSEๅ…ƒใƒ—ใƒญใ‚ฐใƒฉใƒžใƒผใ€็พSE

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FAQ

What number systems can Dev Calc convert between?

Dev Calc allows immediate conversion between binary, octal, decimal, and hexadecimal number systems. You can also edit individual digits for detailed confirmation of conversions.

Can I adjust the bit size for number conversions in Dev Calc?

Yes, Dev Calc supports adjustable bit sizes for numeric conversions, including 8-bit, 16-bit, 32-bit, and 64-bit. You can also choose between signed and unsigned numeric formats.

How does Dev Calc help with color codes?

Dev Calc can generate color codes in Hex, RGB, HSL, and HSV formats. It supports the alpha channel and includes a color picker, as well as preset color options for quick selection.

What devices is Dev Calc available on?

Dev Calc is available on iPhone, iPad, and iPod devices. It is compatible with iOS devices.

What is the age rating for Dev Calc?

Dev Calc has an age rating of 4+, making it suitable for a wide range of users. This rating indicates it is appropriate for children and adults.

Does Dev Calc have ads?

Yes, Dev Calc contains advertisements. There is an option to remove ads via a monthly subscription for $1.99.

How often is Dev Calc updated?

Dev Calc was last updated on December 14, 2025, indicating recent development and support. The latest version is 2.1.4.

What is the user sentiment for Dev Calc based on ratings?

Dev Calc has a rating of 2.0 stars from 2 ratings, suggesting a mixed or negative user reception. This indicates potential areas for improvement based on user feedback.