Comparison

Code Runner vs HTML Viewer & Editor

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

Head to head
About

Code Runner

This app functions as a mobile compiler and code editor, allowing users to write and execute real code in multiple programming languages. It offers a secure cloud sandbox for instant output and a touch-optimized editor with features like syntax highlighting and autocomplete. Users can save and reuse code snippets and work offline.

Highlights
  • Run code in 8 languages
  • Secure cloud sandbox execution
  • Real-time output and error display
  • Touch-optimized code editor
  • Syntax highlighting and autocomplete
  • Save and reuse code snippets
  • Offline code editing
Features
Read full description

Code Runner turns your phone into a real compiler and code editor. Write code, tap Run, and get real output in seconds — powered by a secure cloud sandbox, not a fake preview. Whether you're a CS student, learning to program, or a developer who wants to test an idea on the go, Code Runner lets you practice and run real code anywhere — no laptop required. RUN REAL CODE ANYWHERE Write and execute real programs in 8 languages: • Python 3 • JavaScript (Node) • C (GCC) • C++ (GCC) • Java • C# (Mono) • Go • Rust SEE OUTPUT INSTANTLY Your code runs in an isolated cloud sandbox and the real output comes back in seconds. Send input through stdin, catch errors, and see exactly what your program prints. A REAL CODE EDITOR A fast, modern editor designed for touch: • Syntax highlighting for every language • Smart autocomplete • Quick-keys bar for the symbols you actually use • Find & replace • One-tap code formatting • Adjustable font size, tab size, line numbers and themes SAVE & REUSE YOUR CODE Save your snippets and keep them ready to run anytime. Your code stays in sync so it's always with you. WORKS OFFLINE Write and edit code anytime — even with no connection. Run it when you're back online. FREE TO START Get 10 code runs every day for free. Upgrade to Pro for unlimited runs and to support ongoing development. Pro is available as a monthly or annual subscription. PERFECT FOR • CS students and self-taught learners • Practicing for interviews and exams • Testing snippets and algorithms on the go • Anyone who codes away from their desk Download Code Runner and carry a compiler in your pocket. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use: https://looplab.app/apps/coderunner/terms-of-service Privacy Policy: https://looplab.app/apps/coderunner/privacy-policy

About

HTML Viewer & Editor

This app is a native code editor for HTML, CSS, and JavaScript on iPhone and iPad. It allows users to write, preview, and test web code instantly, with features like syntax highlighting, line numbers, and template options. Project data is stored locally for privacy.

Highlights
  • HTML, CSS, JavaScript code editor
  • Syntax highlighting
  • Live preview and testing
  • Code templates
  • Local project storage
  • SSH/SFTP remote access
Features
Read full description

Codex - HTML Editor Code, Preview & Test Write HTML, CSS, and JavaScript and see your work come to life — right on your iPhone and iPad. Codex is a fast, clean, native code editor built for learning web development and building projects on the go. No account, no clutter — just open and start coding. WRITE CODE FAST Full editor for HTML, CSS & JavaScript Syntax highlighting with light & dark themes Line numbers and a distraction-free, native interface INSTANT PREVIEW & TEST Live preview your pages instantly on device Test your HTML, CSS, and JavaScript without leaving the app See changes as you build START FROM TEMPLATES Kick off with ready-made templates (Blank, Landing page, and more) Save time and learn from clean, working examples ORGANIZE YOUR WORK Manage multiple projects Everything stored locally — your code stays private on your device REMOTE ACCESS (SSH/SFTP) Connect to your own servers to work with remote files Credentials stored securely in the device Keychain PRIVATE BY DESIGN No sign-up required We never upload or read your code CODEX PRO Unlock the full experience with Pro: Unlimited projects All premium templates SSH / SFTP remote access Pro is available as a monthly or yearly subscription, or a one-time Lifetime purchase. Try Codex free, upgrade anytime. Whether you're learning to code, prototyping an idea, or editing files on the go, Codex - HTML Editor gives you a powerful web editor in your pocket. Download Codex today and start building. Privacy Plicy: https://sites.google.com/view/htmleditor-privacypolicy/home Terms of Use: https://sites.google.com/view/html-editor-terms-of-use/home

Screenshots

Code Runner3 screens
HTML Viewer & Editor4 screens

Verdict

The call

The clearest difference is in-app purchases: HTML Viewer & Editor at none against Code Runner's 2. HTML Viewer & Editor also leads on ads (none vs shown) and rating (5.0 vs 4.7). Code Runner's advantage is ratings volume (3 vs 1). On price, update cadence, monetization model and device support 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. Code Runner sells 2 in-app purchases, starting at $3.99 per month. HTML Viewer & Editor asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

HTML Viewer & Editor holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UpkeepUpdate frequency

Code Runner ships an update every 4 weeks, HTML Viewer & Editor fortnightly. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
Code Runner versus HTML Viewer & Editor: the parameters behind the verdict, then further details
ParameterCode RunnerHTML Viewer & Editor
PriceFreeFree
Rating4.7 (3 ratings)5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings3 — better1
Update frequencyEvery 4 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better17.6
Further details — not scored
Size54 MB16 MB
Age rating4+4+
DeveloperOmer Faruk BAGCIMD UZZAL MIA

Customer experience

Code Runner

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

HTML Viewer & Editor

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Code Runner

Subscriptions2
  • CodeRunner Pro$3.991 Month
  • CodeRunner Pro (Annual)$24.991 Year
None

HTML Viewer & Editor

No in-app purchases

Questions

Is Code Runner free?
Code Runner is free to download, with in-app purchases available.
Is HTML Viewer & Editor free?
HTML Viewer & Editor is free to download, with no in-app purchases.
Which has better reviews, Code Runner or HTML Viewer & Editor?
HTML Viewer & Editor is rated higher. Code Runner averages 4.7 out of 5 from 3 ratings, while HTML Viewer & Editor averages 5.0 from 1 ratings.
Do Code Runner or HTML Viewer & Editor have ads?
Code Runner shows ads; HTML Viewer & Editor does not.
Which is updated more often, Code Runner or HTML Viewer & Editor?
Code Runner ships an update every 4 weeks, and HTML Viewer & Editor fortnightly. Most recently, Code Runner was updated on September 23, 2026 and HTML Viewer & Editor on September 20, 2026.

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