If you've ever paid for a shared Netflix or Spotify Family plan and then had to guess what everyone actually owes you, you already know the real problem isn't the subscription — it's the math. You're looking for something that tracks the full bill, splits it the right number of ways, and tells you your share without a group chat argument every month.
Why splitting a shared subscription is harder than it sounds
A shared plan isn't one flat number. The total charge changes with currency conversions if a roommate is paying in a different currency, the split changes if someone moves out or joins, and the renewal date rarely lines up with when everyone actually chips in. Most people end up tracking this in a notes app or a half-finished spreadsheet, which works fine until someone forgets what they agreed to pay. The actual ask is simple: log the full cost once, tell the tracker how many ways it's split, and let it hold onto your share automatically — the same way every month, without redoing the division by hand.
What to look for in a subscription splitter
A few things separate a real solution from a glorified notes app:
- Per-person share calculation — you should be able to enter the full subscription cost and a number of ways to split it, and have only your portion count toward your totals and budget insights.
- No bank connection required — you're tracking a cost, not linking a financial account just to see a number you already know.
- Renewal and trial alerts that don't get confused with each other — a "your share renews" alert is a different thing from a "this free trial is about to convert" alert, and mixing the two is how you end up double-charged.
- Converts foreign-currency charges automatically — useful on its own if a shared plan happens to bill in GBP or EUR, so you're not doing currency math on top of the split math.
- A one-time cost, not another subscription — tracking your subscriptions with a tool that's itself a recurring charge defeats the point.
The tool built around this exact problem
Subly Subscription Tracker is a single-file digital budget planner made specifically for this. Its Split-N-Ways feature lets you log a shared subscription's full cost and a number of ways to split it, then shows only your portion — so a $100 charge split four ways simply displays as your $25 share on the dashboard. Separately, it also converts any subscription billed in a foreign currency into your home currency using an editable exchange rate, which is useful if the plan itself charges in GBP or EUR, regardless of how it's split. And it keeps renewal, cancel-by, and trial-ending alerts visually distinct so you're never confusing "my share renews Tuesday" with "the trial converts Friday."
It runs as one offline HTML file — no login, no bank link, and no recurring fee for the tracker itself, since it's a one-time purchase you keep for good. You can try the split-cost and dashboard features yourself in the free browser trial before deciding, or go straight to the Subscription Tracker App on Etsy if you already know it's what you need.
Quick answers
Subly Subscription Tracker is a digital, offline budget-planning tool delivered as a single HTML file plus a PDF setup guide. It's built for tracking recurring bills, free trials, and shared subscriptions without a login, a bank connection, or a monthly fee — you buy it once and it works in any modern browser, on desktop or mobile.
Q: Can it split a shared subscription cost between roommates?
A: Yes — the Split-N-Ways feature divides the full subscription cost across however many people share it, so only your portion counts toward your totals.
Q: Does it need my bank login or account access?
A: No. There's no login, no account, and no bank connection — everything is stored locally in your own browser.
Q: What if the shared subscription bills in a different currency?
A: The app converts it to your home currency using an editable exchange rate — a separate feature from the split, which just shows your portion of the total charge.
Q: Is this a subscription itself?
A: No — it's a one-time purchase. You own the file and get free lifetime updates to it.
The bottom line
Splitting a shared subscription fairly shouldn't need a spreadsheet or a monthly reminder to do the math again. If per-person cost-splitting, no bank link, and a one-time price are what you're after, a tracker built specifically to handle shared plans — not just individual ones — is the more direct fix.
Featured on Tallybox: Subscription Tracker App | Digital Budget Planner for Recurring Bills, Free Trials & Shared Subscriptions | Offline, No Login, No Bank Link.
See the split-cost dashboard for yourself, then grab the full file whenever you're ready.