Comparison

Runestone Text Editor vs O

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

Head to head
About

Runestone Text Editor

A powerful plain text and code editor for iPhone and iPad. Offers syntax highlighting, line numbers, find and replace, and extensive customization options for developers and writers.

Highlights
  • Syntax highlighting for many languages
  • Customizable themes and fonts
  • Advanced find and replace
  • Line numbers and cursor location
  • Code formatting with Prettier.js
  • Multiple windows on iPad
Features
Read full description

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

About

O

Monitor your home remotely with real-time video surveillance. Access cloud storage, receive alarm notifications, and communicate via two-way audio. Capture photos and videos for convenient home management.

Highlights
  • Real-time video monitoring
  • Cloud storage playback
  • Alarm push notifications
  • Two-way voice intercom
  • Photo and video capture
  • Simple operation and design
Features
Read full description

O-KAM Pro, feel home anytime, anywhere. A remote video surveillance software used with the camera can help you check the dynamics of your home at any time after adding the camera. With real-time video, cloud storage playback, alarm push, two-way voice intercom, as well as photo and video and other functions. APP has simple operation and simple design, which can help you manage and use it more conveniently.

Screenshots

Runestone Text Editor4 screens
O4 screens

Verdict

The call

The clearest difference is ads: Runestone Text Editor at none against O's shown. Runestone Text Editor also leads on review sentiment (76% vs 63%). O's advantage is chart position (#6 vs #45) and ratings volume (8.6K vs 2K). On price, rating, update cadence and in-app purchases 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. Runestone Text Editor sells 1 one-off in-app purchase and O sells 23 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Runestone Text Editor holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 2K and 8.6K respectively. Written reviews point the same way: 76% of Runestone Text Editor's written reviews are positive against 63% of O's.

UpkeepUpdate frequency

Runestone Text Editor ships an update every 2 weeks, O fortnightly. The most recent releases landed on October 21, 2026 and October 22, 2026 respectively.

Scorecard5 real differences · 6 level
Runestone Text Editor versus O: the parameters behind the verdict, then further details
ParameterRunestone Text EditorO
PriceFreeFree
Rating4.7 (2K ratings) — better4.5 (8.6K ratings)
Positive reviews76.0% of reviews — better62.9% of reviews
Number of ratings2K8.6K — better
Update frequencyEvery 2 weeks — betterFortnightly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#45#6 — better
DevicesiPhone, iPad, iPod, Vision Pro — betteriPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size64 MB366 MB
Age rating4+17+
DeveloperSimon B. StøvringShenzhen VeePai IoT Intelligent Technology LLC

Customer experience

Runestone Text Editor

All ratings1,962 ratings
Positive93.5%
Neutral2.3%
Negative4.1%
Written reviews363 reviews
Positive76.0%
Neutral9.6%
Negative14.3%

O

All ratings8,584 ratings
Positive88.3%
Neutral2.7%
Negative8.9%
Written reviews2,111 reviews
Positive62.9%
Neutral6.3%
Negative30.8%

User reviews

Runestone Text Editor

From 2K App Store ratings

What we love

  • 💎 Excellent text editor
  • 🚀 Smooth and responsive
  • 🎨 Customizable themes and appearance
  • 🔒 Secure file storage and sync
  • 👍 Clean and intuitive interface

Room to improve

  • 🐛 Occasional crashes or bugs
  • 🔍 Difficulty navigating files/folders
  • 📝 Limited functionality without premium
  • 🔌 Performance issues on older devices
  • 🔒 Difficulty accessing files in cloud storage

O

From 8.6K App Store ratings

What we love

  • 🚀 Convenient
  • 🚀 Easy to use
  • 🚀 Great picture quality
  • 🚀 Excellent value
  • 🚀 Reliable

Room to improve

  • 🐛 Connectivity issues
  • 🐛 Unreliable motion detection
  • 🔋 Battery life concerns
  • 🔍 Difficult to navigate app
  • 💸 Expensive subscription

Bugs and requests

Runestone Text Editor

Reported bugs

6 issues
  • Disappearing files
  • Difficulty pasting text
  • Scroll position not saved
  • Hangs on startup
  • Trouble opening large files
Show 1 more
  • Issues after iOS updates

Requested features

6 requests
  • Markdown preview
  • Code folding
  • Syntax highlighting for more languages
  • Ability to run/execute code
  • Multiple file/window support
Show 1 more
  • Improved undo/redo functionality

O

Reported bugs

3 issues
  • Frequent app crashes
  • Inability to view recorded footage
  • Inconsistent camera performance after updates

Requested features

5 requests
  • Easier cloud storage management
  • Improved motion detection sensitivity
  • More customization options
  • Ability to disable microphone/speakers
  • Smoother app performance

In-app purchases

1 purchases

Runestone Text Editor

One-time1
  • Premium$9.99
23 purchases

O

One-time23
  • monthly card-7(SA tryout)$0.99
  • monthly card-7(tryout)$0.99
  • monthly card-7(EU tryout)$0.99
Show 20 more
  • monthly card-7(JP tryout)$0.99
  • monthly card-7(AE tryout)$0.99
  • monthly card$1.99
  • monthly card2 variants$2.99
  • monthly card(JP)-7$2.99
  • monthly card- 7$3.99
  • monthly card- 30$4.99
  • monthly card2 variants$5.99
  • monthly card(JP)- 30$5.99
  • monthly card(SA)- 30$5.99
  • half year card$6.99
  • monthly card(AE)-30$7.99
  • yearly card$12.99
  • half year card$14.99
  • yearly card$24.99
  • half year card -7$28.99
  • half year card$31.99
  • yearly card$49.99
  • yearly card - 7$49.99
  • half year card -30$74.99

Questions

Is Runestone Text Editor free?
Runestone Text Editor is free to download, with in-app purchases available.
Is O free?
O is free to download, with in-app purchases available.
Which has better reviews, Runestone Text Editor or O?
Runestone Text Editor is rated higher. Runestone Text Editor averages 4.7 out of 5 from 2K ratings, while O averages 4.5 from 8.6K ratings.
Do Runestone Text Editor or O have ads?
O shows ads; Runestone Text Editor does not.
Which is updated more often, Runestone Text Editor or O?
Runestone Text Editor ships an update every 2 weeks, and O fortnightly. Most recently, Runestone Text Editor was updated on October 21, 2026 and O on October 22, 2026.
Which is more popular, Runestone Text Editor or O?
Runestone Text Editor currently peaks at #45 in the App Store charts, and O at #6. Chart position reflects recent download velocity rather than total install base.

Other comparisons