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Edtech, or edutech, is one of the hottest areas for new startups: artificial intelligence, machine learning and collaborative working all make tech a great partner to education.

Arguably, the first edtech startups included Wikipedia and online course provider edX. Today鈥檚 businesses show a particular focus on portability and smartphone compatibility, and recent developments in AI have made edtech smarter than ever.

Blinkist

HQ: Berlin, Germany

Founders: Holger Seim, Niklas Jansen, Sebastian Klein, Tobias Balling

Berlin-based condenses non-fiction books into 15 minute digests for learners on the go. For 拢11.99 monthly, users have access to 3,000 popular book summaries as text and audio and receive recommandations based on their interests.

Blinkist claims to have 10 million users, and has raised a remarkable 34.8 million in funding since 2012.

BridgeU

HQ: London, United Kingdom

Founders: Lucy Stonehill, Hywel Carver

is designed for students who are preparing for university, but aren鈥檛 sure where to begin. The focus is on students, their interests and their preferred ways of learning, rather than university rankings, with BridgeU鈥檚 algorithm suggesting institutions and courses that may be a good match. Machine learning uses feedback from previous students to fine-tune and improve suggestions with every cohort.

On top of that, BridgeU offers resources for the UCAS application process and recently launched a programme that helps students to plan their careers. The edtech startup raised 鈧�4.5 million in Series A funding in 2017 and currently works with schools in 50 countries.

Chatterbox

HQ: London, United Kingdom

Founders: Mursal Hedayat, Guillemette Dejean

helps refugees to find their feet by sharing their native language skills with learners. The app matches learners with language coaches who share their professional background and interests, so they have more to talk about than just language. By working as a Chatterbox coach, refugees earn a living wage, boost their confidence and reclaim their professional identities, which often fall by the wayside in a new country.

So far, Chatterbox covers twelve languages including Arabic, Korean, Somali, Spanish and Urdu. Partners include the British Red Cross, SOAS, the University of Durham and the British Council.

Kinteract

HQ: London, United Kingdom

Founders: Alex Farrell, Nahiem Razaq, Shehzad Najib, Tajinder Sandhu

is a portable learning record that travels with students as they learn and grow. Teachers and parents can easily see how students are progressing across subjects, making it easier to work together on a larger scale. Kinteract also links to other popular teaching apps, pulling work and achievements into one place for easy assessment. The goal is to create a personalised learning journey from early years to university, tracking achievements and building on useful personality traits and life skills.

Kinteract has raised $1.6 million in funding, and has been adopted by schools around the world.

Kopernio

HQ: London, United Kingdom

Founders: Jan Reichelt, Ben Kaube

鈥榮 browser plugin helps to speed up research by cutting through paywalls, logins and redirects to legally provide full papers with one click. Downloaded articles are kept in a 鈥淟ocker鈥� for later reference and users can export references as needed.

Clarivate Analytics鈥攆ormerly a division of Thomson Reuters鈥攁cquired Kopernio for an undisclosed amount in 2018, and the plugin is now part of its research-focused Web of Science Group.

MakerClub

HQ: Brighton, United Kingdom

Founders: Declan Cassidy, Simon Riley

bills itself the world鈥檚 number one young inventors club, and with a presence in 20 countries and 10,000 makers it鈥檚 easy to see why. Supported by the Department of Education, BBC and Barclays, the startup works with primary and secondary schools to teach coding and building skills to kids aged 8 to 13 years old.

Students learn how to build robots, sensor systems and gadgets at their own pace, with plenty of room to remix and customise the finished product. They鈥檙e also encouraged to share their own expertise with their peers.

Math 42

HQ: Berlin, Germany; Santa Monica, United States

Founders: Maxim and Raphael Nitsche

breaks mathematical problems down into manageable steps so that anybody can learn to understand and solve them. Designed to act like a personal tutor, the app suggests ways of tackling problems and explains each step simply. There鈥檚 also an assessment feature to test your new skills.

Math 42 reportedly has over 1 million users worldwide, and is available in six languages. In 2017, Californian education firm Chegg for a cool 鈧�12.5 million.

Perlego

HQ: London, United Kingdom

Founders: Gauthier Van Malderen, Matthew Davies

hopes to democratise learning and help publishers to recoup losses from textbook piracy by offering unlimited library access for 拢15 per month.

Founded in 2016 by recent university graduates,聽the media quickly dubbed Perlego 鈥淪potify for textbooks鈥�. The edtech startup has since broadened its reach to cater for professionals as well as students, and offers a range of popular non-fiction books in addition to its academic texts.

Seed funding quickly came in from the likes of Lovefilm鈥檚 Simon Davis, and Perlego raised a tidy 拢3.7 million Series A round last September.

Sparrho

HQ: London, United Kingdom

Founders: Dr Vivian Chan, Niluka Satharasinghe

is democratising science with augmented intelligence. Designed for everyone, including researchers, clinicians, patients, journalists and students, the platform pulls over 45,000 journals into personalised feeds that are easy to skim.

Jargon-free, clickbait-free three-minute digests written by expert scientists make it simple to understand news and emerging concepts in every field. For deeper cuts, curated pinboards pull together articles and research on highly specialised subjects and suggest related content elsewhere.

Sparrho has raised $3 million in funding, and largely makes money through company integration. Membership is free.

Tandem

HQ: Berlin, Germany

Founders: Tobias Dickmeis, Arnd Aschentrup

is a language exchange app that pairs learners with native speakers in a relaxed, friendly setting. 聽Everything is covered in-app, so there鈥檚 no need to plan in-person meetings or Skype calls. Users who need a little extra help can hire qualified tutors in minutes.

In February, the startup added AI-powered conversation prompts and icebreakers to its app in order to encourage deeper conversations. Co-founder Arnd Aschentrup explains: 鈥淵ou鈥檙e usually not born as a natural, gifted language teacher, but this can be something that can be filled pretty well with AI.鈥�

Tandem boasts five million users globally and scooped 鈧�2 million in seed funding in 2016.