From basic cat flaps to cutting-edge smart cat doors with AI prey detection, we've reviewed them all to help you make the right choice.
See our definitive 2026 rankings below.
: Download the package (often provided via Mega links) and extract the contents to your desktop.
This version of the software is compatible with the following operating systems:
Delphi 2021.10b Mega offers several benefits for developers, including:
: Uses the "AutoVin" or "ISS" (Intelligent System Scan) function to automatically identify the car and scan all available modules at once. Important Security Note i--- Delphi 2021.10b Mega
Historically, "Mega" in the context of "Delphi 2021.10b" signals a repack that bypasses the Embarcadero license server (a keygen or loader is included in the ISO).
One of the most celebrated features of the 2021 releases was the full implementation of High-DPI support in the IDE. For years, developers with 4K monitors had to struggle with blurry text or massive UI scaling issues.
Installing cracked software requires careful attention to detail to avoid errors. Based on several guides available online, here is the general process for installing the "i--- Delphi 2021.10b Mega" release. : Download the package (often provided via Mega
Coverage for thousands of cars and trucks, including specialized support for late-model VAG (Volkswagen/Audi/Skoda) vehicles built through 2021. Installation & Setup Tips
Follow the on-screen installer prompts. When asked, you will likely need to enter an installation password . A common password for 2021 versions is NewSoftware2021 (case-sensitive). Choose your installation directory; the default location in C:\Program Files is generally recommended.
This version typically uses Firmware 1622 , which is optimized for both single and dual-PCB VCI clones. Always run the software as an administrator when updating the firmware on your hardware. Why the "b" Patch Matters One of the most celebrated features of the
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Download the archive from your hosting source. Extract the files directly to the root directory of your primary drive ( C:\Delphi_2021.10b ) using a tool like WinRAR or 7-Zip. 2. Running the Setup Wizard
While older versions (such as 2017.3 or 2020.23) are popular, the update offers several distinct advantages:
The path to a reliable AI cat flap is strewn with failures. These projects serve as cautionary tales in a market that's hard to get right.
Overpromised on Kickstarter and failed to deliver. The project appears to be abandoned.
The company behind the original KittyFlap product went out of business due to failures with delivery and customer service.
Don't need prey detection? These cat doors keep out neighborhood cats by reading your pet's existing microchip. Here's the undisputed leader.
For multi-cat homes, the SureFlap DualScan is a fantastic choice. It allows you to set exit permissions for each cat, keeping specific pets indoors while others are free to roam. It's the perfect solution for homes that don't need advanced AI capabilities but still want robust control and security.
For completeness, if you just need a simple, non-electronic flap, these are reliable options for those on a tight budget without concerns about strays or prey.
A durable and popular choice for years, the Cat Mate offers simple 4-way locking (in only, out only, open, locked) to control your pet's access. It's a straightforward, no-frills solution that gets the job done reliably without the need for batteries or microchips.