
Improve Student Results with personalised AI led speaking practise
Creating a virtual teaching assistant using your voice and no extra lesson planning with automated parent reporting
✔️ English
✔️ Spanish
✔️ French
✔️ German
✔️ Mandarin
✔️ Japanese
✔️ Russian
✔️ korean
With YoYo, Language Students keep practising!
Empower your language students to master teacher-set phrases on YoYo, giving them limitless, personalised speaking practice before their next class.'
AI does the heavy lifting for you
Our Ai model is trained on thousands of hours of native speaking. It can analyse your students ability to speak the phrases you set, considering the pronunciation, fluency and intenation.It can coach your students on where they need to improve and score their efforts while you prepare for the next class.
Evidence-based AI learning
Research consistently shows that spaced practice boosts long-term retention, while AI-driven personalisation significantly improves student outcomes.Combining these two evidence-based methods—regular, distributed practice plus adaptive technology—delivers marked gains in language fluency.

Teachers Love...
Personalised Feedback
Provide AI-powered instant feedback, plus teacher-led guidance for deeper learning and encouragement
More engaged students
Boost student engagement through interactive AI-driven speaking practice directly linked to class learnings
Automated parent reports
Exceed your parents high expectations with automated monthly progress with insight into their child’s performance
Students Love...
Practise anytime
Practice tutor-assigned phrases with AI-driven guidance anytime, anywhere.
Build confidence
Gain speaking confidence through real-time pronunciation and fluency feedback
Immediate feedback
Strengthen your pronunciation and fluency with targeted AI recommendations

What Teachers say...


What Students say...


Terms and Conditions
YoYo School Pilot ProgrammeEffective Date: 20th May 2025
YoYo Technologies Ltd
Registered in the United Kingdom1. About This Agreement
These Terms & Conditions (“Terms”) apply to schools participating in the YoYo School Pilot Programme. By using the YoYo app with your students, you agree to these Terms on behalf of your institution.
YoYo Technologies Ltd (“YoYo”, “we”, “us”) provides a secure, teacher-led speaking practice app designed to support the modern foreign language (MFL) curriculum, in particular the revised GCSE requirements from 2024 onwards. The app is intended to complement classroom teaching by promoting oral fluency and confidence through independent, structured practice.2. Definition of the Service
The YoYo app is a digital language tool that allows students to:
Practise pre-approved speaking phrases or reading texts;Receive pronunciation scores and guided feedback;Build oral fluency through repetition and self-correction.The app is used between lessons, typically as homework, under the guidance of the classroom teacher. All content is teacher-selected or approved and is aligned with the school’s curriculum and safeguarding policies.3. User Eligibility
Access to the YoYo app is restricted to students:
Enrolled at the participating school;Whose names and school email addresses have been shared with YoYo by the school.Login is via school-issued credentials only. No personal email addresses or identifiers are used.4. Roles & Responsibilities
School Responsibilities
The school agrees to:
Provide an accurate class register of all student participants (first name and school email only);Assign a reasonable amount of speaking practice on a weekly basis;Notify YoYo of any concerns or technical issues encountered by students or teachers.YoYo Responsibilities
YoYo Technologies Ltd agrees to:
Provide stable access to the app for all registered student users;Respond to any technical support queries within one working day;Ensure minimum downtime and communicate any significant disruptions;Monitor for misuse and notify schools of any issues related to student conduct or account integrity.5. Acceptable Use
The app is to be used solely for:
Completing assigned speaking exercises;Practising content pre-approved by the school;Improving pronunciation and fluency in line with the MFL curriculum.Students must not attempt to tamper with, misuse, or access any part of the system beyond their assigned content.6. Termination of Access
Schools may request the removal of any individual student from the platform at any time. YoYo will action all such requests within one working day.7. Safeguarding Commitments
The YoYo app is built to support safe, independent learning. It includes the following safeguards:
No messaging, chat, or peer-to-peer interaction;No voice recordings stored;No avatars, bios, or personal profiles;All content is school-approved and pre-loaded;Students can only access exercises assigned by their teacher;Teachers have visibility into class-level progress and engagement.8. Intellectual Property
All app content, technology, and educational materials are the property of YoYo Technologies Ltd. Schools participating in the pilot may access this content for the duration of the programme. No part of the app may be copied, distributed, or adapted without written permission.
Feedback or content suggestions made by teachers may be used by YoYo to improve the app, but do not confer ownership or royalties unless otherwise agreed.9. Limitation of Liability
During the pilot programme, YoYo Technologies Ltd provides the app on a limited-liability basis. While every effort is made to ensure availability and accuracy, we do not accept liability for:
Interruptions to service caused by school devices, internet access, or third-party networks;Student outcomes or academic performance;Incidental or consequential loss resulting from use of the app.10. Product Updates
YoYo may release updates or improvements to the app during the pilot phase. These will not materially alter the service’s intended purpose and will be communicated to schools as necessary.11. Data Protection
By participating in the pilot, the school accepts the terms outlined in our Privacy Policy (linked or attached), including:
YoYo as the Data Controller;Use of “Legitimate Interests” as the legal basis for processing;Collection of pronunciation scores and usage data only;No storage of voice recordings or personal identifiers;UK/EU-based secure hosting with no international data transfers.All data remains accessible to the school and can be deleted at their request.12. Jurisdiction
These Terms are governed by and construed in accordance with the laws of England and Wales. Any disputes arising from them shall fall under the exclusive jurisdiction of the English courts.13. Contact
For questions, feedback, or support:
YoYo Technologies Ltd
Data Protection Officer: Pratik Sampat
📧 [email protected]
Privacy Policy for Schools
Effective Date: 20th May 2025
YoYo Technologies Ltd
Registered in the United Kingdom1. Introduction
At YoYo Technologies Ltd (“YoYo”, “we”, “us”, or “our”), we are committed to protecting the privacy of students and schools using our language learning platform. This Privacy Policy explains how we collect, use, store, and protect student data when our app is used as part of a school-led programme or pilot.
Our mission is to provide a safe and effective speaking practice tool that supports students’ language development without compromising their personal privacy. This policy applies to student users accessing the app through their school email account.2. Data Controller
YoYo Technologies Ltd is the Data Controller for all data collected through the YoYo app in a school setting. We can be contacted at:
YoYo Technologies Ltd
Data Protection Officer: Pratik Sampat
📧 [email protected]3. What Data We Collect
We collect only the minimum data necessary to support learning and evaluate progress:
School-issued email address (for login only)Pronunciation scoresUsage data such as:Number of practice sessions completedScores over timeEngagement metrics (e.g. time spent on tasks)Device/browser metadata for performance optimisationWe do not collect or store:
Student namesVoice recordingsPersonal identifiers beyond school emailLocation data or behavioural profiling4. Why We Process This Data
We process this data to:
Track student progress and learning outcomesProvide feedback to teachers during pilot programmesImprove the functionality and educational effectiveness of our appEnsure the app performs reliably across devicesAll data is used exclusively to support educational aims and never for marketing, profiling, or commercial resale.5. Legal Basis for Processing
We process student data under the legal basis of Legitimate Interests (Article 6(1)(f) UK GDPR).
This means we have assessed:
Purpose: Supporting student learning and school evaluationNecessity: The data is essential to provide meaningful feedback and improve app functionalityBalance of Interests: We only collect non-sensitive data, with no personal identifiers, and limit processing to the minimum requiredA Legitimate Interests Assessment (LIA) has been completed to ensure student rights and freedoms are not overridden. The school, parents, and students are not subject to unexpected or intrusive processing. A one-page parent summary is available upon request to support transparency.6. Data Retention
All student data is retained for one full academic year from the point of initial login, unless otherwise requested by the school.7. Data Access & Deletion
Schools may request the deletion of individual or entire class datasets at any time.YoYo does not provide students or parents with direct access to their data; any such requests should be submitted via the school.Upon request, we will permanently delete all relevant records within 14 days.8. Third-Party Processors
We work only with GDPR-compliant third parties:
Hosting: Amazon Web Services (UK region only)Analytics: Mixpanel (EU configuration)These partners are used strictly for:
Secure data hostingApp usage analytics (aggregate and anonymised where possible)
No data is processed for advertising, remarketing, or transferred to unauthorised parties.9. International Data Transfers
All data is stored and processed exclusively within the UK and EU. No data is transferred outside these jurisdictions.10. Safeguarding Commitments
YoYo is built to support a safe and closed learning environment:
No open-ended input or free-text entryNo chat, messaging, avatars, or biosNo voice recordings storedOnly pre-approved school content is usedStudents practice in isolation; there is no peer interactionTeachers have full visibility of class-level engagement and progress11. Your Rights
As a data subject (or parent of a data subject), you may have the following rights under UK GDPR, exercisable via your school:
Right to access data held about the studentRight to rectification of incorrect dataRight to erasure of data (upon request by the school)Right to object to processing based on legitimate interestRight to lodge a complaint with the ICO (www.ico.org.uk)12. Contact Us
For any questions about this policy or data protection concerns, please contact:
Pratik Sampat
📧 [email protected]
📍 YoYo Technologies Ltd, United KingdomNOT FOR THE WEBSITE BUT TO KEEP ON FILE:Legitimate Interests Assessment (LIA) Summary
For: YoYo Technologies Ltd – School Pilot Programme
Date: 20th May 20251. Purpose of Processing
YoYo Technologies Ltd provides a speaking practice app designed for use by students in a school context. The app collects minimal, non-sensitive data to:
Track and support student progress in speaking skills.Allow teachers to monitor class engagement during the pilot.Improve the functionality and effectiveness of the app based on aggregate usage patterns.The app does not store voice recordings or personal identifiers beyond the school-issued email address used for login.2. Necessity Test
The processing is necessary to:
Provide students with personalised pronunciation feedback.Give teachers insight into usage and engagement.Analyse anonymised usage trends to improve app performance and learning outcomes.Without this data, the app would be unable to fulfil its core educational purpose.3. Balancing Test
We have assessed the potential impact on student privacy and concluded that risks are minimal and appropriately mitigated:
Risk Area
Mitigation Strategy
Personal data collected
Only school email (login), pronunciation scores, and usage data. No names or photos.
Sensitive data risks
No voice recordings or biometric data collected.
Data subject expectations
Students and parents are informed via the school. Data use is clear and contextual.
Rights and freedoms impacted
None materially impacted. No profiling, advertising, or cross-site tracking.
Transparency & opt-out
One-page summary available to schools/parents; schools can request deletion anytime.YoYo Technologies Ltd believes this processing is a reasonable expectation within the context of school-based learning tools and presents no undue harm to students.4. Conclusion
Based on this assessment, we confirm that processing student login, pronunciation score, and usage data within the YoYo app is lawful under Article 6(1)(f) UK GDPR – Legitimate Interests.
The processing:
✅ Is necessary
✅ Serves a clear educational purpose
✅ Has minimal impact on student privacy
✅ Includes safeguards and deletion rights
✅ Is transparent and accountable
For any questions or requests, schools may contact:
Pratik Sampat – Data Protection Officer
📧 [email protected]