A free app to track and split shared costs
The question comes up the same way every time: a few people are paying for different things, somebody suggests an app, and the thread fills with names. One poster put the requirement better than any feature list — they wanted "an app which we can all just pop expenditure into". That is the whole job. This page is about the three things that decide whether an app does it, and the two that quietly stop it working.
Does everyone have to sign up?
This is the first question, not the last one, because it decides whether the ledger is complete. A shared cost record only tells the truth if every person who paid for something puts it in. One person entering everybody else's spending from memory is a spreadsheet with extra steps, and it drifts the moment somebody forgets to mention the taxi. So the requirement is not "can my friends use it" but "will they". Every account, password and app install between a person and the entry box is a place where somebody stops. It is a real complaint about the best-known tool in this category: a reviewer wrote "I wish splitwise allowed group splitting w/o requiring everyone to signup". The test to apply: can you send one link to the group chat and have the third person add something without creating anything? If not, expect to be the person who maintains it.
What is actually in the free tier
"Free" covers several different arrangements, and the differences only show up later. Some apps are free with a paid tier beside them, and the free side carries limits that do not bite on day one — a cap on how many expenses you can add in a day, a feature that turns out to be behind the upgrade. Reviewers of the market leader report exactly that pattern: heavy prompting toward the paid tier, and daily limits on entering expenses. Some are free with no visible business model, which is its own worry. Forum posters recommending the alternatives say so out loud: the recurring hesitation about the free options is "uncertainty about potential hidden costs of free apps". Two questions worth asking of anything before your group commits a holiday to it. What happens when we hit the limit — is there one? And if it is free, what is it for?
Does it move money, or just work out the number?
This trips more people than any feature. A "settle up" button in most of these tools does not send anything. It records that a payment happened. The money still has to move the way it always did — a transfer between two people, done in a banking app. That is worth knowing before three people press it and assume they are square. It is one of the more commonly misunderstood things about the category, and forum threads regularly have somebody explaining it to somebody else. A tool that only does the arithmetic is not worse for this. It is simpler, it needs none of your banking details, and it cannot get the transfer wrong. But it does mean the settle-up step is a human one, and everyone should know that.
Can it handle the awkward splits
Most entries are simple: one person paid, everyone shares it. The ones that cause arguments are the rest. Three cases cover nearly all of them. A couple sharing a double room on a trip who should carry two shares of the accommodation and one share each of the food. A dinner where one person only had a starter. A cost that started before somebody joined the group and should not touch them at all. If a tool only splits evenly, those become mental arithmetic done in the notes app, and the record stops matching what happened. Even splits, weighted shares and exact per-person amounts are the three modes that cover it — more than that is a spreadsheet again.
Getting out again
Whatever you pick, at some point you will want the numbers somewhere else: a final total to paste into a message, a file for the person who keeps the household accounts, something to hand over if the group changes. An export that gives you plain rows — date, what it was, who paid, how much — is enough for all of that, and it is the difference between a record you own and one you rent. The same goes in the other direction. Most groups do not start with an app; they start with a note or a shared sheet and move once it gets unwieldy. Being able to bring that history across, rather than retyping four months of it, is often what decides whether the move happens at all.
Frequently asked questions
Is there a way to split costs where only one person needs an account?
There are tools where nobody needs one. The mechanism is a link: one person creates the group and shares a long, unguessable address, and anyone holding it can add expenses and see the balances. Splitsheet works this way. The trade-off is that the link is the key — anyone you send it to can see the sheet, and it cannot be taken back from somebody who already has it.
What is the catch with the free ones?
It varies, and it is fair to ask. Some are free at the entry level and sell an upgrade. Some are funded by something else the company does. Splitsheet is free because the tool only works when everybody in the group opens the link, and anything charged at that door makes the ledger incomplete rather than making money.
Can a free app handle more than one currency?
Some can. What to look for is which rate it uses and whether it says so: a published daily reference rate, recorded against the line, means nobody has to re-argue what a taxi cost three weeks later.
What if somebody adds something wrong, or as a joke?
Look for an edit history and an undo. A record everybody can write into needs both, or people will be too careful with it to keep it accurate.
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