Cloudinary uses credits for its plans which makes both this comparison, and estimating which plan you'll need quite tricky. Credits are used for storage, traffic, and computational power (transformations). Sirv's pricing is based on storage and bandwidth, making it much easier to choose your plan. Transformations aren't billed, and our support will happily help you choose the right plan for you, or create a custom one. Here are some key points that make Sirv a smarter Cloudinary alternative: