New on iOS & Android

Finally, a planner
built for two.

Stop juggling group chats, shared notes, and spreadsheets. Tandem keeps you and your partner aligned on tasks, events, and money — all in one place.

App Store Google Play
★★★★★ 5.0 on the App Store
Tandem couples organizer app — shared calendar screen for planning together

The Couples Organizer With Everything You Need

Shared todos, calendar, and finances — all in one app

Shared Todos

Create and manage tasks together. Never forget what matters most to you both.

Shared Calendar

Coordinate your schedules and never miss important dates. Stay perfectly in sync.

Shared Finances

Track shared expenses and budgets together. Full transparency, zero confusion.

Why Couples Choose Tandem

One app instead of juggling four

Tandem
Google Cal
Splitwise
Notion
Shared Todos
✓
✗
✗
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Shared Calendar
✓
✓
✗
~
Shared Budget
✓
✗
✓
✗
Real-Time Sync
✓
✓
~
~
Built for Couples
✓
✗
✗
✗
Mobile-First
✓
✓
✓
✗

See How It Works

Real couples, real scenarios, real-time sync

1

Add a grocery list

One partner adds items to the shared todo. The other sees them instantly — no reminders needed.

2

Schedule date night

Add an event to the shared calendar. Your partner's calendar updates in real time.

3

Split the rent

Log a shared expense. Both of you see the balance update — full transparency, zero arguments.

See Tandem in Action

Couples shared to-do list in Tandem organizer app

Shared Todos

Shared calendar for couples in Tandem planner app

Calendar

Couple budget tracker and shared expenses in Tandem app

Finances

Loved by Couples

Rated 5.0 on the App Store

★★★★★

"Great app for busy couples, really helped organize daily tasks, minimized number of unnecessary fights"

coho16 · App Store

★★★★★

"It really helps with organizing the day to day life of a couple while being user-friendly. I'd definitely recommend this app."

V1dav · App Store

★★★★★

"This app changed my relationship for the better! We just recently moved in together and are figuring out how to spread chores and bills — the todos are a huge help."

Peroo12 · App Store

Planning Guides for Couples

Actionable frameworks to plan and organize your life together.

Also read: How to Split Expenses · Tandem vs Notion · Best Couples Planner App

View all guides

Frequently Asked Questions

Is Tandem free?

Yes! Tandem is free to download and use. A premium subscription unlocks additional features like unlimited shared lists and advanced budget tracking.

Is my data private and secure?

Absolutely. Your data is encrypted and stored securely using Supabase. We never sell your personal information. Read our privacy policy for full details.

Is Tandem available on Android?

Yes! Tandem is available on Google Play. Download it for free on your Android device.

How is Tandem different from Google Calendar or Splitwise?

Tandem combines shared todos, a shared calendar, and shared finances into one app built specifically for couples. Instead of juggling 3+ different apps, everything lives in one place with real-time sync.

Can I use Tandem with a roommate or family member?

Tandem is designed primarily for couples, but it works great for any two people who share a life — roommates, siblings, or close friends who want to stay organized together.

Ready to Organize Together?

Download Tandem today and start syncing your shared life

Download on App Store Get it on Google Play