Family investing, made simple
Help your child build wealth that lasts
The family app that makes investing fun, educational — and actually engaging. Start early, keep it simple, let time do the heavy lifting.
Free tools · UK Junior ISAs & SIPPs · Built by a family, for families
Your child's biggest advantage is time
Decades of compound growth are on their side. Squids-In helps you make the most of it — keep track of investments, understand tax benefits like Junior SIPPs, and build real financial literacy together.
Free family investing calculators
See the numbers for yourself — no sign-up needed
Junior ISA calculator
What could their Junior ISA be worth at 18 — and what happens if they keep it invested?
Try the Junior ISA calculator→Junior SIPP calculator
A child's pension projected to retirement — including the government's free 25% top-up, growing for a lifetime.
Try the Junior SIPP calculator→One-off gift calculator
Birthday money or a grandparent's lump sum — see what a single gift could become.
Try the gift calculator→Built for the whole family
Everyone learns together
For parents
Keep track of investments and understand Junior ISAs, Junior SIPPs and tax relief.
Learn more→For kids (10+)
The Time Machine, gamified lessons and achievements make compound growth genuinely exciting.
Learn more→Together
Real investment decisions with parent oversight — children choose, parents approve, everyone learns.
Learn more→Ready to get started?
Join families making investing fun and educational.