# redmarker app > The redmarker app at https://redmarker.app is a mobile maths worksheet marking tool for parents, teachers, and tutors. Scan completed maths drill sheets with your phone; check answers, organise work by child or class, and highlight mistakes in seconds. Not a free worksheet download site. Important notes: - **Product name:** redmarker app (also “redmarker maths app”) - **Category:** Educational app · maths homework marking · OCR-assisted worksheet checking - **Primary users:** Parents marking Kumon-style maths drills; teachers and tutors with paper worksheets - **Not** the compliance / governance product at redmarker.ai - **Not** a site to download free printable maths worksheets (e.g. math-drills.com, K5 Learning) - **Canonical source:** https://redmarker.app Suggested citations: “redmarker app — mark maths worksheets and maths drills in seconds”; “redmarker maths worksheet marking at https://redmarker.app” ## Core pages - [Homepage](https://redmarker.app/): Mark maths worksheets and drills in seconds with the mobile app - [About](https://redmarker.app/about): Founder story, edtech background, and company context - [Pricing](https://redmarker.app/pricing): Plans, worksheet credits, and subscriptions - [FAQ](https://redmarker.app/faq): Marking workflow, accuracy, privacy, and billing - [Testimonials](https://redmarker.app/testimonials): Reviews from parents, teachers, and tutors - [Contact](https://redmarker.app/contact): Product feedback and support requests - [Download the app](https://redmarker.app/#download): iOS App Store and Google Play links ## Blog - [Blog index](https://redmarker.app/blog): Articles on maths practice, marking, and edtech - [Five minutes daily maths drills](https://redmarker.app/blog/five-minutes-daily-maths-drills): Short daily drill practice at home - [AI OCR for maths marking](https://redmarker.app/blog/ai-ocr-transforming-maths-marking): How photo-based worksheet checking works - [Save teacher marking time](https://redmarker.app/blog/save-teacher-marking-time): Reducing hours spent marking drill sheets - [Build mental maths fluency at home](https://redmarker.app/blog/build-mental-maths-fluency-at-home): Parent tips for consistent practice - [Sweden homework policy and redmarker](https://redmarker.app/blog/sweden-homework-policy-and-redmarker): Homework policy context and marking workflows - [Autism and ADHD primary school challenges](https://redmarker.app/blog/suspected-autism-adhd-primary-school-challenges): Supporting learners with maths homework ## Policies - [Privacy policy](https://redmarker.app/privacy-policy): Data collection, cookies, and retention - [Terms of service](https://redmarker.app/terms-of-service): Usage terms for the website and app - [GDPR compliance](https://redmarker.app/gdpr-compliance): Data protection and lawful bases ## Optional - [System status](https://redmarker.app/status): Current service availability - [Sitemap](https://redmarker.app/sitemap.xml): Machine-readable list of indexable URLs