Question: I'm looking for a flexible and affordable way to create video ads in various sizes for different platforms.

If you're looking for a versatile and relatively inexpensive way to generate video ads for different channels, MagicAds is well worth considering. This AI-based ad generator lets you create video ads in a matter of minutes by entering a product URL and making some tweaks like editing the script and adding a background. It can generate ads for websites, iOS and Android apps, and offers a credit-based pricing system.

Another good option is Creatify. The tool lets you generate short-form video ads from product links or descriptions with a few clicks. It comes with an AI script generator, a library of stock footage and a full-featured video editor. Creatify can generate ads for TikTok, Instagram, Facebook and YouTube, and integrates with major e-commerce sites, so it's a relatively cheap option with pricing starting at $27 per month.

If you're looking for a more complete solution, Quickads could be a good fit. It automates ad creation and management across different formats and languages for social media sites like Instagram, Facebook, TikTok and YouTube. Quickads comes with a library of ads you can use for inspiration, proven templates and the ability to adapt successful ad hooks, so it's good for startups, small businesses and marketing agencies.

Last, Arcads is a powerful tool for generating high-quality video ads from written scripts. It's got a library of AI actors, support for multiple languages and the ability to customize speech and background elements. The tool is geared for marketing teams and agencies that handle digital products, giving them full control over video creation and relatively cheap pricing.