What Runestone Text Editor does

Runestone Text Editor is a mobile app published by Simon Stovring. Apple categorizes it under Developer Tools, and this guide treats it as a focused markdown editor tool. It combines the official listing, current version metadata, supported-language record, screenshots and verified store links so readers can understand the product before installing it.

The developer's App Store description explains: “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.” This is attributed product information rather than an independent hands-on claim. Use the official screenshots below to compare the described workflow with the current interface in the store.

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.
Syntax highlighting of many languages including HTML, JavaScript, JSON, Markdown, Swift, Python, PHP, YAML, and many more.

How to install Runestone Text Editor on iOS

Open the Apple App Store button on this page, confirm that the title and publisher match Runestone Text Editor by Simon Stovring, review the age, privacy and in-app-purchase information shown for your region, and then use Get or the displayed price button. The captured minimum iOS requirement is 15.0.

Only an Apple App Store entry could be confirmed from first-party sources for this record. An Android label is intentionally not shown. This does not prove that an Android edition is impossible; it means no matching Google Play entry was verified well enough to publish without guessing a package name.

Use the official store button rather than a third-party APK or download mirror.
Match the publisher name: Simon Stovring.
Read the current store privacy and purchase disclosures before installing.

Getting started with Runestone Text Editor

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. Start with the narrow task described in the listing and use a non-sensitive example for the first run. Follow the onboarding or first-screen instructions actually shown by the current version rather than granting every optional permission in advance.

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, aut… If the app offers import, sync, notifications, cloud processing, location, contacts, microphone, photo-library or file access, enable only the permission needed for the function you are testing. Settings and control names can move between releases, so the live app and developer support page remain the final reference.

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.
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.

Documented features and example workflow

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. The official screenshots captured for this page show the product interface and documented functions as they appeared in the App Store. They are useful for finding the main controls, but a later release, device size or account state may look different.

A practical evaluation is to complete one markdown editor task from start to finish, note which information the app asks for, and check whether the result can be edited, exported, shared or backed up when the listing says those functions are available. Keep the original item until the output has been verified, especially for scans, recordings, finance records, health reminders, routes or converted files.

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.

Who Runestone Text Editor is for

Runestone Text Editor is most relevant to people who repeatedly need a markdown editor workflow and prefer a purpose-built mobile utility over a broad suite. The Developer Tools classification and the developer's description are useful starting points, but suitability depends on the exact device, region, account requirements and data involved.

Evaluate it with a real but low-risk example. Compare the steps, output quality and ongoing permissions with the method you already use. Keep the app only when the focused benefit is clear; for medical, financial, navigation or security-related tasks, independently verify important reminders, totals, locations and recommendations.

People looking for a focused markdown editor app.
Users who want an official store installation and visible product screenshots.
Anyone willing to review current permissions, pricing and export options before relying on the app.

Price, paid features and account requirements

Apple listed the initial download as Free, while the official description mentions premium, subscription, trial or in-app-purchase language. The captured metadata does not provide a permanent table of every plan. Check the current in-app purchase screen for regional prices, renewal periods, limits and cancellation instructions.

Account requirements may differ by function. A local utility can work immediately, while synchronization, cloud backup, AI processing, shared lists, premium templates or support may require sign-in or a paid plan. The store page and in-app checkout shown at the time of purchase take precedence over this dated directory record.

Recorded App Store price: Free.
Check whether the exact feature you need is included before starting a trial.
Review renewal and cancellation terms in the current store account settings.

Compatibility, languages, privacy and current version

The captured App Store metadata records version 1.6.1, updated 2025-09-15, with a minimum iOS version of 15.0 and a download size of 63.9 MB in the captured listing. It reports 1 language codes (EN). These values can change, so confirm the latest compatibility and release notes on the official store before installing on an older device.

The language list, version and screenshots are factual store metadata, but they do not establish how the developer handles personal data. Review the current App Privacy section and the developer's privacy policy before entering confidential content. Limit photo, location, microphone, contact, notification and local-network permissions to functions you actually use.

Recorded version: 1.6.1.
Recorded update date: 2025-09-15.
Recorded supported-language codes: EN.

Common questions and troubleshooting for Runestone Text Editor

People searching for “runestone text editor” and “markdown editor open source” commonly need the official download, a feature explanation, compatibility details or help starting the app. This page links to the verified store entry and does not host an IPA or APK. If installation fails, check the device OS version, available storage, store region and account restrictions before retrying.

If Runestone Text Editor opens but a function is missing, compare version 1.6.1 with the current store release, review the permission required by that function, and check the developer's support material. For sync or account issues, confirm network access and account status. Preserve original data before reinstalling, and remove the app if its present permissions, pricing or behavior no longer match your needs.

Check OS compatibility, storage and store region before reinstalling.
Review feature-specific permissions and account requirements.
Use the developer support link for product-specific errors.

Screenshots