SideKit Blog · Feb 2026
The company described its in-app feedback system, grouping, tagging, and reply workflows, including use of services@appsidekit.com for outbound mail.
One package to take your mobile app to production.
Company research
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Overview
SideKit is a YC-backed, San Francisco-based mobile app infrastructure startup that bundles privacy-first analytics, feature flags, version gating, and in-app feedback into a lightweight SDK/backend package for SwiftUI, UIKit, and React Native teams.
Primary product
Backend-in-a-box SDK for mobile apps
Founded
2025
Headquarters
San Francisco, California, United States
Team size
1-10 employees
Industry
Mobile Computing Software Products
Sub-industry
Mobile app infrastructure / SDKs for analytics, feature flags, version gating, and feedback
Offices
San Francisco, California, United States
Open Positions
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