Default Split: Save Your Splitting Template Once, Use Forever

Because you shouldn't have to configure the same 40/30/30 split every single time

You live with two roommates. Your rent is $3,000. One person has the bigger room, so you split it 40/30/30 instead of evenly.

Every month, when you add the rent expense, you have to:

  1. Tap "Add Expense"
  2. Enter the amount
  3. Select "Percentage Split"
  4. Set Alice to 40%
  5. Set Bob to 30%
  6. Set yourself to 30%
  7. Save

And if you mess up? You have to edit and do it again.

Splitorium's Default Split saves that template once. After that? One tap. Done.

Configure your split once. Use it forever. Never select percentages again.


What Is Default Split?

Default Split is a group-level preset that defines how expenses should be divided. When you create a new expense, Splitorium automatically uses this template instead of making you configure it manually.

Key Features

  • One-time setup: Configure once, use for all expenses
  • Percentage or weighted shares: "40/30/30" or "4 shares / 3 shares / 3 shares"
  • Override when needed: Switch to even, exact, or manual split for any expense
  • Works offline: Part of Splitorium's offline-first architecture

Split Types Explained

Before diving into Default Split, let's clarify the split types Splitorium supports:

Split Type How It Works Example ($300 expense)
Even Divide equally among participants $100 each (3 people)
Percentage Specify exact % for each person (must total 100%) 40% = $120, 30% = $90, 30% = $90
Weighted Assign "shares" — ratio-based splitting 4:3:3 shares = $120, $90, $90
Exact Manually enter each person's exact amount $150, $100, $50

Default Split works with Percentage and Weighted — the two types where the ratio stays consistent regardless of the total amount.


Why You Need Default Split

The Roommate Scenario

You and 2 roommates share expenses. Rent is always 40/30/30. Utilities are always 40/30/30. Internet is always 40/30/30.

Without Default Split: Configure the same 40/30/30 manually for every expense. Every. Single. Time.

With Default Split: Set it once. Every new expense automatically uses your preset. Takes 2 seconds instead of 30.

Alice 40%
Bob 30%
You 30%

The Income-Based Split

Couples sometimes split expenses based on income ratio. If one earns 60% of household income, they pay 60% of shared expenses.

Default Split makes this automatic. Set it once when you move in together.

The "Main Person Pays More" Setup

On a group trip, sometimes the organizer takes on extra costs. Set a default where they pay a larger share, and don't argue about it at every restaurant.


How to Set Up Default Split

  1. Open group settings

    Go to your group and tap the gear icon or "Group Settings"

  2. Find "Default Split"

    It's in the group configuration section

  3. Choose distribution type

    Select "Percentage" or "Weighted Shares"

  4. Set values for each member

    Enter percentages (must total 100%) or share values

  5. Save

    Your default is now active for all new expenses


Using Default Split Day-to-Day

Once configured, here's what adding an expense looks like:

  1. Tap "Add Expense"
  2. Enter amount and description
  3. "Default Split" is already selected
  4. Save

That's it. Your preset percentages are applied automatically. The split selector shows 5 options now:

  • Default Split ✓ (your preset — selected by default)
  • Even
  • Percentage
  • Weighted
  • Exact

Want to override for a specific expense? Just tap a different option. Your default is still saved for next time.


How This Compares to Splitwise

Splitwise doesn't have Default Split. Every expense requires manual participant and split configuration.

Action Splitorium Splitwise
Add monthly rent (40/30/30) ✅ One tap (preset) ❌ Configure manually
Add weekly groceries (40/30/30) ✅ One tap (preset) ❌ Configure manually
Add utility bill (40/30/30) ✅ One tap (preset) ❌ Configure manually
Time per expense ✅ ~5 seconds ❌ ~30 seconds

Over a year of roommate expenses, that time adds up. Default Split removes the friction.


Percentage vs. Weighted: Which to Choose?

Use Percentage When:

  • You have exact percentages in mind (40/30/30)
  • Your agreement is percentage-based ("I pay 60%")
  • You want precise control

Use Weighted Shares When:

  • Ratios are easier to think about (4:3:3 shares)
  • You might add/remove people and want ratios to adjust
  • Your agreement is share-based ("I pay double")

Pro tip: Weighted shares are often simpler to communicate. "Alice pays 2 shares, everyone else pays 1 share" is clearer than "Alice pays 40%, Bob pays 30%, Charlie pays 30%."


Real-World Use Cases

Where Default Split Shines

  • Roommates with unequal rooms: Bigger room = bigger share
  • Couples with income gap: Split based on earnings ratio
  • Business partners: Expenses divided by ownership stake
  • Group houses: 5 people, complex room size differences
  • Shared car expenses: Split by usage/mileage ratio
  • Friend groups with "the planner": Organizer pays extra, others split the rest

Combining with Other Features

Default Split works seamlessly with other Splitorium features:


Stop Configuring the Same Split Repeatedly

If you've ever thought "I split everything the same way, why do I have to set it up every time?" — Default Split is for you.

Splitorium makes expense splitting as fast as it should be. Configure once. Use forever.