I could use it off-line and it had no ads, I was able to use this on the bus and everywhere making my vision more effective. I would really really recommend getting this app and the chemistry and physics one because it’s so good and it has all the things you need in one place....
Want to be super-prepared for your science exams? Get the Key Cards GCSE AQA Biology and Key Cards GCSE AQA Physics apps. And if you’re revising GCSE maths, the Key Cards GCSE Maths app (for AQA, Edexcel and OCR) is also available. ...