a11yTools vs MATTR GO Hold
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
Read full descriptionHide 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!
MATTR GO Hold
Securely collect, store, and present verifiable digital credentials. This tool allows for selective information sharing and supports multiple credential formats and protocols for trusted interactions.
- Credential collection and presentation
- Biometric authentication
- Selective information disclosure
- Supports multiple credential formats
- Multi-protocol support
- Activity log
Read full descriptionHide full description
MATTR GO Hold is a versatile tool designed to work with the MATTR VII platform and other digital trust service providers. It enables users to securely collect, store, and present verifiable digital credentials. Built using the MATTR Pi Wallet Toolkit, this app showcases all of the capabilities offered by MATTR’s digital wallet infrastructure, providing users with a practical demonstration of how digital credentials can be managed and shared. Key Features * Credential collection and presentation: Users can collect credentials from issuers and present them to verifiers via QR codes or deeplinks. * Biometric authentication: Access the wallet using facial recognition or fingerprint for enhanced security. * Selective disclosure: Share only relevant information with verifiers, preserving privacy during interactions. * Interoperability and flexibility: The wallet supports various credential profiles, including Mobile (mDLs and any other mdocs deratives), Compact (COSE based) and Web (JSON-LD). * Multi-protocol support: The wallet supports OpenID4VCI and VP Request protocols for credential issuance and presentation. * Notifications: Enable push notifications for real-time updates, such as new credential availability or verification requests. * Custom-branded credentials: Issuers can customize the appearance of credentials with logos, colors, and watermarks for brand consistency. Functionality * Scan, tap, or click to present credentials: Quickly share credentials with a QR code or deeplink, simplifying the verification process. * High-assurance authentication: Use cryptographic methods to ensure the security and integrity of verifiable presentations. * Activity log: Keep track of all credential interactions with issuers and verifiers through a dedicated activity tab. * Trusted interactions: The app validates issuers and verifiers, displaying a verification tick for confirmed sources. MATTR GO Hold is ideal for organizations looking to explore MATTR’s credential lifecycle capabilities and see firsthand how verifiable credentials can be managed securely within a privacy-preserving environment
Screenshots
Verdict
The clearest difference is review sentiment: MATTR GO Hold at 100% against a11yTools's 50%. MATTR GO Hold also leads on price (Free vs $9.99). a11yTools's advantage is update cadence (every 8 days vs every 2 months) and chart position (#95 vs unranked). On ads, in-app purchases 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
MATTR GO Hold is free to download; a11yTools costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
a11yTools ships an update every 8 days, MATTR GO Hold every 2 months. Both last shipped on October 29, 2026.
| Parameter | a11yTools | MATTR GO Hold |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.2 (5 ratings) — better | — |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 — better | — |
| Update frequency | Every 8 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #95 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.2 — better | 15.6 |
| Further details — not scored | ||
| Size | 13 MB | 57 MB |
| Age rating | 17+ | 4+ |
| Developer | PaulJAdam.com | MATTR Limited |
Customer experience
a11yTools
MATTR GO Hold
In-app purchases
a11yTools
No in-app purchases
MATTR GO Hold
No in-app purchases









