appsidekit.com · San Francisco · founded 2025 · team 2 · Y Combinator Winter 2026 Batch, Active · trust 0/4
All four, one SDK. Analytics, Feedback, Version Gating, Feature Flags for mobile apps
| Company Name | SideKit (doing business as Approxima)
source: https://appsidekit.com/ (product name), https://www.ycombinator.com/companies/approxima (YC shows company as Approxima) |
| Tagline / Value Proposition | All four, one SDK. Analytics, Feedback, Version Gating, Feature Flags for mobile apps
source: https://appsidekit.com/ (homepage) |
| City | San Francisco
source: https://www.ycombinator.com/companies/approxima (Y Combinator company page lists location as San Francisco) |
| Founded Year | 2025
source: https://www.ycombinator.com/companies/approxima (Y Combinator page shows 'Founded: 2025') |
| Team Size | 2
source: https://www.ycombinator.com/companies/approxima (Y Combinator company page shows 'Team Size: 2') |
| Stage / Program | Y Combinator Winter 2026 Batch, Active
source: https://www.ycombinator.com/companies/approxima (Y Combinator company page shows 'Batch: Winter 2026', 'Status: Active') |
| Founders | Ashish Selvaraj (ex-Databricks delta live tables, Microsoft infra testing, Waterloo CS+Business 2025) and Ethan Pronev (ex-Jane Street trading systems, Citadel Securities, Waterloo CS 2025)
source: https://www.ycombinator.com/companies/approxima (Y Combinator founder profiles) |
| Legal Entity | SideKit, Inc.
source: https://appsidekit.com/ (footer text '© 2026 SideKit, Inc.') |
| Public Email | ashish@appsidekit.com, ethan@appsidekit.com
source: https://appsidekit.com/ (mailto links in 'Contact' section and 'Still have questions? Email us →' link) |