Same warmth.
Every platform.

CatchUp is a well-made, warm relationship reminder app. If you love it but need Android support, a web app, or simply want to check out the alternative, here's how Gravity compares.

Updated June 20, 2026


Gravity CatchUp
Platforms iOS + Android + web iOS only
Price Free (5 people) / $24/year unlimited Free + $8 one-time unlock
Push notifications iOS + Android + email iOS only
Languages English, Portuguese, Spanish English only
Interaction logging Channel + notes (iMessage, WhatsApp, call, email, other) Basic log
ADHD-friendly Yes — one person at a time Yes — simple, warm design

Why choose Gravity over CatchUp

  • iOS + Android + web — not locked to iPhone
  • Native Android app with push notifications
  • Interaction history with channel tracking (iMessage, WhatsApp, call, email)
  • 3 languages — English, Portuguese, Spanish
  • Free tier clearly explained upfront

Frequently asked questions

Does CatchUp work on Android?

No. CatchUp is iOS only. Gravity has native apps for iOS and Android, plus a web app that works on any device.

Is Gravity free like CatchUp?

Yes. Gravity has a free tier (up to 5 people). Gravity Pro is $24/year — comparable to CatchUp's free + $8 one-time unlock.

Are CatchUp and Gravity similar?

They share the same warmth and simplicity. Both are ADHD-friendly, guilt-free, and focused on personal relationships. The main difference is platform coverage — Gravity is cross-platform.

Does Gravity send push notifications?

Yes — daily push notifications on iOS and Android, timed to your timezone. Plus optional email reminders.



Try Gravity on any platform

Up to 5 people free. No credit card. Takes 30 seconds.

Get started — free

Free for 5 people. No credit card.