Apps to help with GCSE Revision

[Infracat]

Which are the best apps for GCSE revision? Are there any that actually mark your answers to exam questions for you? Looking particularly for GCSE Trilogy.

Not sure about the marking but my son used Seneca and found it extremely helpful

Not sure what GCSE Trilogy is? But GCSEPod is good- short videos of about 4 minutes, with multiple choice questions. It marks your work too

Not an app but save my exams is good

We used Crash Course and Khan Academy. American/ Canadian sites but excellent.

Cognito is good. You pay but it's worth it. Videos and tests and instant scores. PMT is good for past papers