381 Like Wolfram Alpha Good alternative? YES NO Wolfram Alpha is a "Computational Knowledge Engine" - different from a search engine, it answers factual queries directly by computing the answer from... Freemium Web Android iPhone Windows Phone iPad Kindle Fire Built-in search engine Add a feature
33 Like Calculator Good alternative? YES NO Calculator provides simple and advanced mathematical functions in a beautifully designed app. Free Web Android Android Tablet Android Wear No features added Add a feature
1 Like errProof Good alternative? YES NO The website has a lot of useful and unique tools. Free Web No features added Add a feature
