Maths Druid is an app to improve your maths skills. It covers the maths national curriculum programme of study and can improve your fluency and problem-solving skills. Users create their own avatar and are able to compare their skills with other users on the regional, national and global leaderboards.
The IOS version is ad-free, costing 99p and the Android version is free (with ads). Once downloaded, there are no monthly subscription costs or in-app purchases.
Apple Store:
https://apps.apple.com/gb/app/m aths-druid-year-5-year-6-lte/id1575216507
Google Play Store:
https://play.google.com/store/apps/details?id=pickzy.com.mathdruid