Greylock Partners

Founded in Berlin, Germany in 2013, Klang Games is an independent game development studio focused on creating engaging multiplayer experiences. The company's flagship title, ReRunners, is an asynchronous multiplayer racing game for mobile devices that features an open world and fast-paced gameplay.

Frisbee builds mobile video products that enable people to intimately and authentically communicate with one another through video. We want to help people feel close to one another even when apart in a way that builds deeper relationships. We're looking for motivated engineers who can bring their skills and ideas to building mobile products that help people connect. We're a small scrappy team of former Facebookers and startup vets, and looking for A players to bring on! ------- Previous products: Alively (iOS) makes it easy to capture & share everyday moments privately with your friends through live or recorded video: https://alive.ly/ and App Store here: https://itunes.apple.com/us/app/alively/id1143273512

Musical.ly, founded in 2014 by Alex Zhu and Luyu Yang, was a social network designed for creating, sharing, and discovering short videos. The platform became particularly popular among teenagers, offering them a space to express their creativity through singing, dancing, comedy, and lip-syncing in videos of 15 seconds or less. By providing tools for users to record live videos and overlay music, Musical.ly fostered a vibrant global community of content creators and viewers. The app gained significant traction, ranking #1 in the iOS App Store for free apps in multiple countries, including the United States. In 2017, Musical.ly was acquired by ByteDance's subsidiary Toutiao, and in 2018, it was merged into TikTok, further expanding its reach and influence in the realm of short-form video content.

Beep is a fully loaded chat app for the younger generation that allows you to add creativity and fun to your voice messages.

Sochat is an iOS and Android mobile messaging application and connection platform. It allows its users to publish groups nearby with a PIN to quickly gather up and share GIFs, photos, videos, disappearing messages, and drawings among its users. It also allows sending songs and YouTube videos, play rock paper scissors game, and poll friends and groups. Sochat is a U.S.-based company that was founded in 2014 by Lukens Orthwein.

DWNLD, Inc. is a New York-based company founded in 2012 that specializes in converting websites and blogs into native applications for iOS devices. The company provides a user-friendly platform that enables web publishers to transfer their content into an app format without requiring any coding skills. This service caters to media companies, brands, and individuals looking to enhance their digital presence through mobile applications. By facilitating the transition from mobile websites to native apps, DWNLD aims to capitalize on the increasing trend among publishers to adopt app-based solutions. As of November 30, 2017, DWNLD operates as a subsidiary of Dropbox Inc.

Musical.ly, founded in 2014 by Alex Zhu and Luyu Yang, was a social network designed for creating, sharing, and discovering short videos. The platform became particularly popular among teenagers, offering them a space to express their creativity through singing, dancing, comedy, and lip-syncing in videos of 15 seconds or less. By providing tools for users to record live videos and overlay music, Musical.ly fostered a vibrant global community of content creators and viewers. The app gained significant traction, ranking #1 in the iOS App Store for free apps in multiple countries, including the United States. In 2017, Musical.ly was acquired by ByteDance's subsidiary Toutiao, and in 2018, it was merged into TikTok, further expanding its reach and influence in the realm of short-form video content.

Framer develops design software to create interactive prototypes for iOS, Android, desktop, and web platforms. The tools enable turning static mockups into interactive prototypes with animations and interactions, supporting a seamless static-to-motion workflow. The software integrates with other design tools, provides live device previews and version control, and exports prototypes to mobile devices. Built on modern web technologies including JavaScript, Framer facilitates rapid experimentation with dynamic content and user interactions.

Citymapper Limited, established in 2010 and headquartered in London, offers a mobile and web-based transit application serving New York City, London, Paris, and Berlin. Its primary product, Citymapper, provides real-time transit information and directions via iOS and Android apps, along with APIs for developers. The company also offers CMMapLauncher, a tool to launch Citymapper and other mapping applications. Citymapper's mission is to help urban dwellers navigate cities efficiently by leveraging open transport data and real-time information, including weather alerts and disruptions.

First Opinion, established in 2013 and headquartered in San Francisco, specializes in a smartphone-based application that connects parents, primarily mothers, with physician mothers for health-related advice and support. This includes guidance on illness, injury, pregnancy, child development, nutrition, lactation, and sleep training. The platform offers 24/7 access to doctors via messaging, with the option to upgrade for treatment services.

Lookout, Inc. is a cybersecurity company specializing in cloud-based technology solutions for mobile security. Founded in 2005 and headquartered in San Francisco, California, with additional offices in major cities worldwide, Lookout offers a range of products including mobile security apps for both Android and iOS devices. Its solutions encompass Mobile Threat Protection, a Mobile Intelligence Center for real-time threat investigations, and an App Vetting API designed to secure enterprise and commercial app stores. By providing organizations with tools to enable bring-your-own-device (BYOD) policies, ensure compliance, and combat advanced mobile threats, Lookout empowers enterprises and individuals to safeguard their sensitive data across devices, applications, networks, and clouds. The company's platform is trusted by various enterprises, government agencies, and millions of consumers, allowing them to manage their data securely and efficiently.

Proven is a hiring tool tailored for small businesses, providing an employment application software that simplifies the recruitment process. Founded in 2009 and headquartered in San Francisco, California, the platform allows employers to manage hiring tasks directly from their smartphones or tablets. Users can post job openings on platforms like Craigslist, as well as review resumes, respond to candidates, and contact them efficiently. Proven's fully native apps for iOS and Android enhance the hiring experience by making it accessible and convenient for busy employers.

First Opinion, established in 2013 and headquartered in San Francisco, specializes in a smartphone-based application that connects parents, primarily mothers, with physician mothers for health-related advice and support. This includes guidance on illness, injury, pregnancy, child development, nutrition, lactation, and sleep training. The platform offers 24/7 access to doctors via messaging, with the option to upgrade for treatment services.

Hangtime, Inc. is a mobile application developer based in San Francisco, California, founded in 2011. The company has created the Hangtime app, which allows users to view their friends' upcoming social plans, such as concerts and poetry readings. This innovative application aims to enhance social interactions by minimizing missed opportunities for gatherings. Available on platforms like iPhone and Facebook, Hangtime enables individuals to discover and join activities that interest them, fostering stronger connections among friends.

Polar is a mobile application developed by Input Factory that allows users to easily create and participate in visually appealing photo polls. Available for free on iPhone, the app streamlines the process of gathering opinions and feedback through engaging multimedia content. By focusing on user-friendly design and functionality, Polar aims to enhance social interaction and decision-making through dynamic polling experiences.

Lasso Media Inc. is a company that operates a request-based photo sharing platform designed to enhance connections among friends and family. Founded in 2012 and based in Englewood, Colorado, Lasso Media enables users to request and share photos directly from each other's camera rolls on both iOS and Android mobile devices. The application focuses on fostering personal interactions through photo sharing, allowing users to maintain close ties with their loved ones. As of 2015, Lasso Media operates as a subsidiary of Photobucket.com, Inc.

Founded in London in 2008, Betable enables game developers to integrate real-money gambling into their mobile and social games legally and securely. It offers platforms for processing transactions, ensuring compliance, and providing player protection services.

Proven is a hiring tool tailored for small businesses, providing an employment application software that simplifies the recruitment process. Founded in 2009 and headquartered in San Francisco, California, the platform allows employers to manage hiring tasks directly from their smartphones or tablets. Users can post job openings on platforms like Craigslist, as well as review resumes, respond to candidates, and contact them efficiently. Proven's fully native apps for iOS and Android enhance the hiring experience by making it accessible and convenient for busy employers.

Game Closure is a company that offers an HTML-based multiplayer game development platform designed to simplify the creation and distribution of games for developers. Its software development kit (SDK) allows users to leverage familiar Web APIs to produce high-quality games that can be published across both iOS and Android ecosystems. By streamlining the processes of debugging, hosting, and development, Game Closure enables game studios to overcome traditional barriers associated with multiplayer game creation. Additionally, the platform compiles games into hardware-accelerated native applications, facilitating immediate distribution on various devices. This approach provides developers with a cost-effective means to enter the competitive multiplayer and multiplatform gaming markets.

Matchbox is an enterprise software company that specializes in enrollment solutions for higher education institutions. It offers a custom-built cloud-based application designed to streamline the university admissions process. The company's award-winning iPad application and back-office suite enhance admissions workflow by simplifying the admissions review process. This platform allows universities to efficiently assign and distribute applications to reviewers, ultimately improving their overall enrollment management.

Game Closure is a company that offers an HTML-based multiplayer game development platform designed to simplify the creation and distribution of games for developers. Its software development kit (SDK) allows users to leverage familiar Web APIs to produce high-quality games that can be published across both iOS and Android ecosystems. By streamlining the processes of debugging, hosting, and development, Game Closure enables game studios to overcome traditional barriers associated with multiplayer game creation. Additionally, the platform compiles games into hardware-accelerated native applications, facilitating immediate distribution on various devices. This approach provides developers with a cost-effective means to enter the competitive multiplayer and multiplatform gaming markets.

Realm ApS is a mobile database company that provides a robust alternative to SQLite and Core Data, facilitating faster application development for users on Android, iOS, and OSX platforms. Founded in 2011 and headquartered in Copenhagen, Denmark, with an additional office in San Francisco, Realm specializes in offering a memory-efficient database that includes features like querying, relationships, graphs, and thread safety. This innovative platform significantly reduces the amount of code developers need to write, effectively saving them time and enabling the creation of enhanced user experiences. As of May 2019, Realm operates as a subsidiary of MongoDB, Inc.

Massive Health is a company dedicated to making healthy living accessible and engaging for everyone. Founded in 2010 and led by Aza Raskin, a former creative lead at Firefox, Massive Health focuses on using innovative design and technology to promote healthier lifestyles. Its flagship product, The Eatery, is an iPhone application that encourages users to track their food intake by taking photos of their meals. This approach aims to make the process of monitoring dietary habits enjoyable and straightforward, moving away from traditional calorie counting. By providing valuable feedback on the healthiness of food choices, The Eatery empowers users to build healthier habits and effectively manage chronic conditions like diabetes through diet and exercise.

Shopkick is a shopping reward application designed to enhance the consumer shopping experience by offering rewards for various activities, including shopping, dining, and engaging with brands. Users earn "kicks," the app's proprietary currency, by participating in different activities such as watching videos, browsing content, and making purchases, both online and in physical stores. The app aims to create a personalized and engaging shopping journey, allowing users to enjoy rewards simply for walking into stores. Shopkick partners with numerous well-known brands and retailers, providing them with valuable consumer engagement insights and targeting capabilities. Founded in 2009 and based in Redwood City, California, Shopkick has evolved into a prominent platform that enhances the interaction between consumers and brands while rewarding users for their everyday shopping activities. The app is available for free on both the App Store and Google Play.

Shopkick is a shopping reward application designed to enhance the consumer shopping experience by offering rewards for various activities, including shopping, dining, and engaging with brands. Users earn "kicks," the app's proprietary currency, by participating in different activities such as watching videos, browsing content, and making purchases, both online and in physical stores. The app aims to create a personalized and engaging shopping journey, allowing users to enjoy rewards simply for walking into stores. Shopkick partners with numerous well-known brands and retailers, providing them with valuable consumer engagement insights and targeting capabilities. Founded in 2009 and based in Redwood City, California, Shopkick has evolved into a prominent platform that enhances the interaction between consumers and brands while rewarding users for their everyday shopping activities. The app is available for free on both the App Store and Google Play.