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Grey Chain is a specialised mobile app and web development firm with expertise in UI/UX, Agile & Devops based delivery. We partner with our clients throughout the product lifecycle from ideation to delivery of efficient and cost effective solutions.
Our core expertise is focussed on Mobile First, Cloud Native, Agile & DevOps.
Started in 2016, we have served global clients from US, Germany, Belguim, UK, Philipines, Dubai, UAE & India which includes brands and large institutions like Bose Professional, UNICEF, Harvard, International Rescue Committee (IRC), Innovations for Poverty Actions (IPA), UN- International Organisation for Migration (UN-IOM).
We are headquartered in US with a world class delivery centre in India powered by a strong team of 40+ tech evangelists.
Key services
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The GBV Pocket Guide App provides step-by-step guidance and tools to all humanitarian practitioners across all sectors on how to support survivors of gender-based violence (GBV) when there are no GBV services, referral pathways or focal points in your area. It uses global standards on providing basic support and information to survivors of GBV without doing further harm. The GBV Pocket Guide App provides key messages on how to
support survivors; an interactive decision-tree to guide practitioners through what to do if someone shares their experience of violence; easy-to-read Do’s, Don’ts and sample scripts; and targeted guidance on child and adolescent survivors.
Enterprise sales catalog for BOSE professional sales staff so that they can promote products through various distribution channels
Professional sound systems demand an uncommon expertise and specialized products. For more than 40 years, Bose Professional has developed innovative loudspeakers, electronics and software to meet the needs of demanding professional audio applications
The IRC responds to some of the world's worst crises, delivering aid that saves lives while paving the way for long-term recovery.
The Remote-Offered Skill Building App (Rosa) was designed to utilize technology and keep the content, community and continual skill building ongoing for staff working remotely, outside of traditional offices. Rosa provides key content on gender-based violence knowledge, case management,
communication and attitude skills; offers self or supervisor-administered skills assessments; and a community space for users to expand their learning through facilitated remote discussions and distance supervision.
Padalapp is a part of a research project ( for, Innovations for Poverty Action , IPA ) to determine the right purpose of remittances from off shore Filipino migrants to the recipients in Philippines.
German food ordering and delivery apps for restaurant owners to manage food order lifecycle.
IPad app for in restaurant order management with fully integrated notification for real time orders monitoring.
Build with integrated SDK's OneSignal for real time notifications and Thermal Printer for reciepts.
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Quik Catalog is the world’s fastest B2B & B2C promotions platform built for the Web, iOS and Android. Any global business can create photo based product catalogs in minutes and then invite their customers to the catalog.
B2B and B2C sales catalog builder for businesses to create catalog in minutes. It allows potential to connect with suppliers via direct chat
Basic Science Clinic runs a unique Primary exam preparation program and produce FOAMed content that addresses the essential physiological principles relevant to critical care primary examinations, and upon which scientifically informed management of critical illness is constructed.
Basic Science Clinic mobile app – a revision tool for ICU primary exams. The BSC app is designed to enable you to study on the go, and uses
evidence based educational tools for optimising retention and recall.
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leeveitWme offers an on-demand platform, that allows individuals to offer their space and services, complemented with insurance, convenient payment channels, and the right support, providing low-cost, flexible, appropriate, secure and nearby solutions.​