Before you buy and after you install
Can you try Check Engine before paying, and what happens after you install it? The answers below cover the purchase, your first audit and where to get help.
Start with trying the app, its price, your computer and the licence. Then read about setup, reports and problems after installing. Each answer links to the page with the full details.
Want a guide for a task? Choose a help guide. Need to report a problem? Contact support.
Common questions
Can I try an audit before I pay?
Yes. Download Check Engine and run an audit without a key. The free version shows the score, the problem counts for each area and the top problem in full with its fix. Buying inside the app opens the audit you ran in full. More: full guide
What does Check Engine cost?
Launch price: $29.50 once, through 30 November. From 1 December: $59. There is no subscription, no crawl credits and no per-seat pricing. More: full guide
Will it run on my computer?
The desktop app runs on Macs with Apple silicon or Intel, macOS 12 or later, and 64-bit Windows. You need an internet connection to the site you audit and to the payment provider for licence activation and checks. More: full guide
How many computers does a licence cover?
One licence covers up to 3 computers at a time, Mac or Windows. Activating a computer uses a place on that licence. Deactivate one to move it to another computer. More: full guide
Can I audit client sites and charge for the work?
Yes. You may audit any number of websites, including for clients, and charge them for the work. The reports are yours to send, and you may rebrand the CSV and JSON exports. More: full guide
Are updates included?
Updates within the current major version cost nothing and install through the app's updater. A paid upgrade for a future major version has not been decided. If that happens, the copy you paid for keeps working. More: full guide
Is there a limit on how many pages I can audit?
You can remove the page limit. Crawls still stop at their time limit, when there are no more pages to visit or when your computer runs out of memory. The download guide lists the defaults and ways to raise them. More: full guide
Can I get a refund if it does not suit me?
Ask within 30 days of the date on your receipt for a full refund to the payment method you used, including any tax charged. You do not have to give a reason or send evidence. The refund policy explains how to ask and what happens to your copy. More: full guide
Where do my crawl and report go?
The crawl and report stay on your computer, and there is no account or telemetry. Optional checks reach outside it, including Google PageSpeed and Google's autocomplete. The offline option turns those optional checks off. More: full guide
How do I start on a Mac?
Download the Mac app, choosing the Intel version if you have an Intel Mac. Double-click it to open it. Type a domain into the field and press Run audit. More: full guide
Where do I get the Windows app?
The download page links to the Windows installer. Check Engine is also in the Microsoft Store, listed there as Docket SEO, free to download, with the licence bought in the app. More: full guide
Where is my key, and how do I activate?
Your licence key arrives by email with your receipt. Paste the key into the field the app shows, then run your audit. More: full guide
What if my computer dies before I deactivate it?
Email support@docketseo.app if a Mac or PC is lost or dies before you can deactivate it. Support can release that place on your licence. More: full guide
How do I know what to fix first?
Check Engine ranks findings by impact against effort. It marks areas it could not assess as unknown. Read the report's gaps as well as its first task. More: full guide
Is a score card the full report?
A score card shows the score and how many problems each area has. The person fixing the site needs the full report to see the problems, affected pages and fixes. More: full guide
Can an AI assistant run my audits?
Check Engine uses the Model Context Protocol so an assistant can run audits and read kept ones. The setup guide gives the command and configuration for a local MCP client on Mac and Windows. More: full guide
How do I report a finding that looks wrong?
Open a GitHub issue with the URL you audited and the check ID printed beside the finding. Say what you expected and why. Include a link to the specification or vendor documentation if it supports your case. More: full guide
What should I send about a crash or bug?
Use the public GitHub issue tracker for a crash or bug. For a Mac or Windows report, include your macOS or Windows version and what you were doing. More: full guide
Where do I ask about my purchase?
Email support@docketseo.app about a licence, refund or payment, or reply to your receipt. Keep these requests private because they carry your name and order reference. More: full guide