DevCalc: Programmer Calculator

Hex, binary, bitwise, subnets

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Seven new widgets that make your Home Screen look a little more like a terminal: a glowing binary clock, Unix time, your Wi-Fi IP and more. A calculator for programmers. Type in HEX, DEC, OCT or BIN and the others update as you type. WIDGETS (Pro) Seven widgets for the Home and Lock Screen: • Terminal: Unix time as $ date +%s prints it, with a live seconds counter and the days until the next round number • Binary clock: the time in glowing binary dots • Wi-Fi address: your IP, mask and network on the current Wi-Fi • Unix time, UTC with ISO week, and the Year 2038 countdown • Daily quiz: answer right on the widget SHOW THE WORK Open "Show the work" to see the division, place values, two's complement and the subnet mask AND, one line at a time. The Learn tab adds a conversion quiz, lessons and ASCII and subnet cheat sheets. CONVERT FROM ANY APP Select text anywhere, tap Share, then DevCalc to read it as hex, an IP address, Unix time, Base64 and more. FEATURES • Base conversion and arithmetic, 8/16/32/64-bit, signed view • AND, OR, XOR, NOT, shifts and byte swap • IPv4 subnet calculator with CIDR, host count and next subnet • Units (KB/KiB, Hz, bit/s) and transfer time • One-tap copy for every result • Works on iPhone, iPad and Mac Pro (one-time purchase, no subscription): widgets, encode and hash, Unix time conversion, bit editor, CAN ID (J1939) decoding, 100-entry history.

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• Seven widgets: Terminal, Binary clock, Wi-Fi address, Unix time, UTC and ISO week, Daily quiz, Year 2038 • Learn tab with a quiz, lessons and cheat sheets • Step-by-step working for conversions, two's complement and subnets • Convert selected text from the share sheet • Fold away the keypad • Reorganized tabs and tools • Now in 10 languages

Version 1.5

The developer, Hiroyuki Aratame, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Location
    • Identifiers
    • Usage Data

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
Hiroyuki Aratame
Size
7.6 MB
Category
Developer Tools
Compatibility
Requires iOS 17.0 or later.
  • iPhone
    Requires iOS 17.0 or later.
  • iPad
    Requires iPadOS 17.0 or later.
  • Mac
    Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and 9 more
  • English, French, German, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
Age Rating
4+
In-App Purchases
Yes
Copyright
© Hiroyuki Aratame
  • Developer Website
  • Privacy Policy

    • More by Hiroyuki Aratame