Runestone Text Editor vs Bit Alchemist

A plain text editor with syntax highlighting, line numbers, search and replace, page guide, and much more. It's like TextEdit but more powerful and optimised for iPhone and iPad. Runestone is made by a single person with a love for text editors and a vision of building the most lightweight text editor for iPhone and iPad that still has the core features for editing code. Features: - Syntax highlighting of many languages including HTML, JavaScript, JSON, Markdown, Swift, Python, PHP, YAML, and many more. - Select one of the twelve standard themes including popular themes like Tomorrow, Dracula, Solarized, and One Dark Pro. - Innovative find and replace for searching and modifying text while still viewing your file. - Choose font and font size, including support for custom fonts imported using another third-party app. - Show the line and column the cursor is located on. - Uses the standard document browser for an experience similar to the Files app. - Quickly navigate to a specific line. - Automatically close opening brackets and quotes. - Multiple windows on the iPad. - Format code using Prettier.js. Supported languages include CSS,HTML, JavaScript, JSON, PHP and more. - Choose text encoding between popular encodings like UTF-8, UTF-16, ISO Latin 1, and many more. - Enable or disable autocorrection, autocapitalization, and smart punctuation. - Set default file extension of new files. - Open files in Runestone from the Share Sheet. - Print documents. Premium features: - Choose between eight app icons. - Show line numbers. - Highlight the selected line. - Increase line height and letter spacing. - Disable line wrapping to allow horizontal scrolling. - Show tabs, spaces, and line breaks using a selected symbol. - Enable page guide at a specific column to easily tell when lines are getting too long. - Add vertical and horizontal overscroll. - Remember the selected language per file. - Save file extensions and filenames that should always be treated as plain text files. - Enable soft tabs and choose the width of the tab character. - Specify whether pressing the tab key should insert a tab or indent the line. - Adjust the scaling of Markdown headings and disable highlighting of code blocks in Markdown. Runestone was built on the open-source framework with the same name. Find more information on the Runestone framework at github.com/simonbs/runestone

Bit Alchemist is a fast, native programmer's calculator built for people who think in hexadecimal, binary, and bits — developers, embedded engineers, reverse engineers, and CS students. Switch instantly between hex, decimal, octal, and binary. Choose 8-, 16-, 32-, or 64-bit word sizes with signed or unsigned interpretation, and watch every base update live as you type. Enter full C-style expressions with parentheses and correct operator precedence, or work in immediate/chain mode — one engine, one result. FREE • Hex / decimal / octal / binary conversion, side by side • 8, 16, 32, and 64-bit word sizes; signed and unsigned • Arithmetic and the core bitwise operators: AND, OR, XOR, NOT • Logical and arithmetic shifts: SHL, SHR, SAR • C-style expressions with parentheses and correct precedence • Hardware keyboard support • Display tuned your way: digit grouping, prefixes, uppercase hex, leading zeros • Recent history UNLOCK PRO (one-time purchase) Take it to the full workbench: • CPU flags — live carry, zero, negative, overflow, and parity • Rotate operations — ROL, ROR, and rotate-through-carry RCL / RCR • Bit editor — tap individual bits to toggle, set, clear, or test • Bitfields & masks — sign/zero-extend, mask to width, extract and build masks • Explain mask — break any value into its set-bit ranges • Registers R0–R7 — eight labelled registers with cross-word-size recall • Full, unlimited history • Copy as code — export values as C, Swift, Python, or JavaScript literals • ASCII view — read a value as its byte sequence • iPad workbench — a full-screen layout with every panel at once Pro is a single one-time purchase. No subscriptions. No ads. No account. Everything runs offline on your device. Bit Alchemist — turn raw bits into gold.