Comparison

a11yTools vs CraftOS

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

Head to head
About

a11yTools

Test web accessibility directly on your iPhone and iPad. Quickly identify and report accessibility errors on web pages, aiding developers and designers in creating more inclusive digital experiences. Features include testing for images, forms, ARIA, and more, with screenshot capabilities.

Highlights
  • HTML Web Accessibility Testing
  • Screenshot Error Reporting
  • One-at-a-time Testing
  • Safari Share Action Extensions
  • WCAG 2.2 Checklist
  • Multiple Testing Tools (WAVE, tota11y, etc.)
  • Shake to Reset Page
Features
Read full description

a11yTools is a collection of HTML Web Accessibility Testing Tools in one location on your iPhone and iPad for quick and easy Accessibility testing. Run your favorite Accessibility testing tool and easily take a screenshot on your phone showing the a11y error to developers and designers. a11yTools is a one-at-a-time testing tool where you pick the HTML Accessibility element or feature you’re testing once-per-page rather than running all tests together. Test and results can be stacked on top each other e.g. to show both Headings and Image Alt Text Properties. How To Use a11yTools: Visit the webpage you want to test then tap the + Add button and add the a11yTool you want. Reset the Page hitting Refresh Or Shake Your iPhone to Reset Page and remove the a11yTools output. Safari Share Action Extensions! Activate a11yTools directly in Safari from the share button. This app will be updated on a continuous basis with new testing tools and features added over time. Features: -------------------------------------------------- Images Headings Forms ARIA Data Tables Iframes Landmarks Language Lists Links Broken Links Titles Tabindex Grayscale Page Title Force Focus Outline Remove CSS Contrast Make Content Editable Screenshot Shake to Reset Page WAVE Validate DOM HTML_CodeSniffer tota11y ARIA Specification ARIA Authoring Practices WCAG 2.2 Checklist Demos Resources ------------------------------------------------- WCAG 2.2 Checklist filterable by Levels A, AA, AAA, expand to see full normative success criterion wording, swipe or long press to open WCAG understanding page or mark as done. This app is a one time purchase. Your payment will be charged to your iTunes Account at confirmation of purchase. Terms of Use: http://www.pauljadam.com/terms.html Privacy Policy: http://www.pauljadam.com/privacy.html Visit my contact form in the support site to make feature requests or submit bug reports. Thanks for reading!

About

CraftOS

This app emulates a classic text-based computer environment, allowing you to write and run Lua programs. It's perfect for learning to code or exploring existing programs from a popular Minecraft mod, all within a retro terminal interface.

Highlights
  • Lua 5.2+ scripting environment
  • 16-color text-based terminal
  • Virtual filesystem
  • Built-in shell
  • Extensive APIs
  • Compatibility with ComputerCraft programs
  • Exclusive graphics mode
Features
Read full description

CraftOS-PC is a fantasy terminal that allows you to write and run programs inside an ‘80s-style text console. CraftOS-PC emulates the popular Minecraft mod "ComputerCraft", which adds programmable computers to Minecraft using the Lua programming language. CraftOS-PC takes this experience outside Minecraft to allow you to run the same programs anywhere you go. CraftOS-PC provides a set of functions (called APIs) that make it super easy to do simple tasks such as write text to the screen, read files, and more. The simplicity of these functions makes CraftOS-PC great for new programmers, but their power makes it possible to write all sorts of complex programs with less code. If you aren’t ready to write programs yet, there’s already a large number of programs for ComputerCraft that will work in CraftOS-PC, ranging from simple games to whole graphical operating systems. These can be downloaded through the built-in Pastebin and GitHub Gist clients. • Full Lua 5.2+ scripting environment and command-line REPL • 16-color text-based terminal display • Expansive virtual filesystem for program and data storage • Built-in shell with syntax similar to most desktop shells • APIs to easily access terminal, filesystem, Internet, event queue, and more • Built-in programs make it easy to navigate & edit files without a single line of code • Plenty of help documents to assist programmers • Compatibility with thousands of existing ComputerCraft programs • Over 3x faster than Minecraft mod and comparable emulators • Emulation of all peripherals available in ComputerCraft • Easily access configuration from inside CraftOS • Exclusive graphics mode providing up to 256-color, pixel-based screen manipulation • Edit Lua scripts from CraftOS or other code editing apps • Open-source app makes it easy to suggest and contribute changes Documentation on all of the APIs that ComputerCraft provides are available at https://tweaked.cc, and CraftOS-PC’s unique APIs are described at https://www.craftos-pc.cc/docs/. Join the CraftOS-PC community at https://www.craftos-pc.cc/discord!

Screenshots

a11yTools4 screens
CraftOS4 screens

Verdict

The call

The clearest difference is price: CraftOS at Free against a11yTools's $9.99. CraftOS also leads on rating (4.8 vs 4.2) and review sentiment (88% vs 50%). a11yTools's advantage is in-app purchases (none vs 1) and update cadence (every 8 days vs every 4 months). On ads 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

CraftOS is free to download; a11yTools costs $9.99 up front. CraftOS sells 1 one-off in-app purchase. a11yTools asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CraftOS holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 5 and 17 respectively. Written reviews point the same way: 50% of a11yTools's written reviews are positive against 88% of CraftOS's.

UpkeepUpdate frequency

a11yTools ships an update every 8 days, CraftOS every 4 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

Scorecard9 real differences · 2 level
a11yTools versus CraftOS: the parameters behind the verdict, then further details
Parametera11yToolsCraftOS
Price$9.99Free — better
Rating4.2 (5 ratings)4.8 (17 ratings) — better
Positive reviews50.0% of reviews88.2% of reviews — better
Number of ratings517 — better
Update frequencyEvery 8 days — betterEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree — better
Best chart rank#100 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.2 — better13.0
Further details — not scored
Size13 MB11 MB
Age rating17+4+
DeveloperPaulJAdam.comJack Bruienne

Customer experience

a11yTools

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

CraftOS

All ratings17 ratings
Positive94.1%
Neutral0.0%
Negative5.9%
Written reviews17 reviews
Positive88.2%
Neutral0.0%
Negative11.8%

In-app purchases

None

a11yTools

No in-app purchases

1 purchases

CraftOS

One-time1
  • Plugin Collection 1$0.99

Questions

Is a11yTools free?
a11yTools costs $9.99, with no in-app purchases.
Is CraftOS free?
CraftOS is free to download, with in-app purchases available.
Which has better reviews, a11yTools or CraftOS?
CraftOS is rated higher. a11yTools averages 4.2 out of 5 from 5 ratings, while CraftOS averages 4.8 from 17 ratings.
Do a11yTools or CraftOS have ads?
Neither a11yTools nor CraftOS shows ads.
Which is updated more often, a11yTools or CraftOS?
a11yTools ships an update every 8 days, and CraftOS every 4 months. Most recently, a11yTools was updated on October 5, 2026 and CraftOS on October 6, 2026.

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