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Syft vs Fathom vs Float vs Own Your Numbers: which cash tool for a UK small business on Xero?

Fathom

4.95 average, 609 reviews on the Xero App Store as I check this (27 August), the most reviewed app of its kind and still the most actively reviewed: 164 of the 606 in our corpus arrived since January 2025. Only 3 of 602 rated reviews sit at 3 stars or below.

What reviewers praise, repeatedly: support (223 of the 606 reviews in our corpus mention it, by far the strongest theme for any tool on this page), multi-entity consolidation (86 reviews; one reviewer trialled three apps to replace an Excel consolidation model and Fathom "was the only app that was flexible and intutive enough", their spelling), forecasting that updates from Xero actuals (104 reviews), and KPIs (85).

The honest caveat, from a 3-star review: "Demo reports are not setup fully and require a fair amount of time in additional to learning how the system works. Good product but they oversell how easy it is." Fathom's negatives are genuinely rare, and we are not going to manufacture a weakness 609 reviews do not support. One factual boundary worth knowing, from Fathom's own feature page: its cash flow forecasts run monthly, quarterly or annual, not daily or weekly. If a weekly cash rhythm is specifically what you are after, that is a structural difference, not a quality complaint.

Buy Fathom if you or your accountant produce management reports, you need consolidation, and somebody will learn the tool properly.

Syft

4.81 average, 476 reviews. The reporting-depth champion: 284 of its 476 reviews mention reports or reporting, the highest proportion of the three, with drill-down to transaction level and whole practices moving their client packs out of Excel into it. Onboarding and support get 113 mentions. Who reviews it tells you who it is for: 30 per cent of its reviews mention clients, the highest rate here. Its own listing leads with reports, consolidations, valuations, financial statements and tax. This is a practice tool first.

The recent negatives worth reading: a multi-year user reporting the platform became "extremely slow" on only five consolidated entities (1 star, March 2026), a 2-star review finding statutory IFRS accounts production not up to standard, a trial "limited to basic functions", and one reviewer calling the pricing roughly double comparable alternatives - one review of 476, and Syft does not publish prices, so we cannot check it.

Buy Syft if reporting depth is the point: many clients or entities, custom report packs, transaction-level drill-down.

What about Xero Analytics, since you may already have it?

One structural fact matters here: Xero announced in September 2024 that it was acquiring Syft, and has been embedding "Analytics powered by Syft" into Xero itself, with the UK rollout under way since 2025; standalone Syft continues alongside it. So if you are on a recent UK plan you may already have analytics and a cash projection in your menu without buying anything. Two honest observations. First: if the built-in view answers your question, use it, it is already paid for. Second: the built-in view is a screen you go and look at. Nothing in Xero rings you on Monday to say how many months of cushion you have, whether your risk moved, and which three debtors to chase first. The question to ask is not "which tool has the feature" but "will I actually go and look". If the answer is no, a push beats a dashboard, and that applies to OYN against Xero's own screens just as it does against Syft's.

Float

4.83 average, 345 reviews. The one of the three that owner-managers most often review in their own voice, and the only one where forecasting is the dominant review theme (102 of 345) rather than reporting. Scenario planning appears in 75 reviews, against 13 for Fathom and 1 for Syft. Float's own listing frames the split cleanly: "Xero is your source of truth for what happened. Float is where you manage what happens next." And the founder relief is real: "My only regret is I didn't start using Float years ago. No more worrying about cashflow. My runway is crystal clear now."

The caveats: a forecast is a thing you own, and reviewers who love Float describe keeping it honest as a weekly habit. Its review flow has slowed markedly, 16 reviews since January 2025 against 345 all time, so more of the evidence is older than for Fathom. Older reviews complain of bugs and manual VAT; those are a decade old, and 290 of 345 reviews are 5 stars.

Buy Float if you want a maintained forward forecast you drive yourself, and you will keep it up to date.

The Excel spreadsheet you already have

4.8 billion users, no reviews on the Xero App Store. Let us be honest about who the incumbent actually is. It is not Syft, Fathom or Float; it is the cashflow tab somebody built in 2023, the one with the tax cell that has said "CHECK THIS" for eleven months. I have spent sixteen years with founders' spreadsheets and I have built hundreds myself, so this is said with love.

The genuine case for the spreadsheet: it is free, it is infinitely flexible, and building it teaches you your own cost base better than any app will. If you will genuinely maintain one, every week, including the week before the VAT quarter and the week of the year-end and the fortnight you are on holiday, you do not need any of the four tools on this page, and I mean that.

The case against is just as real, and it is never about Excel. It is about the maintaining. The spreadsheet is only as current as its last update, it does not pull from Xero on its own, it tells nobody anything unless somebody opens it, and its formulas are audited by exactly no one; every reviewer above who "abandoned the Excel model" abandoned a spreadsheet that had quietly stopped being true. A spreadsheet is a forecast of your cash and a mirror of your discipline. Most owners, honestly assessed, need the tool that does not depend on the discipline.

Stay with Excel if you will actually maintain it. You know whether that is true. Your spreadsheet knows too.

Own Your Numbers

One Xero App Store review. That is what we have got, it is five stars, and it arrived this week - thank you, you know who you are. Against Fathom's 609 or Syft's 476 it is not much of an evidence base, and you should weigh our claims accordingly. The only honest proof we can offer is your own numbers in the free trial.

What it does: connect Xero once, read-only, and every Monday a one-minute briefing shows your cash, net cash and cushion in months, a risk rating from low to critical, the debtors to chase, the bills coming up and five things to do this week. It arrives by email or WhatsApp, so you do not log in to read it. It cannot create, edit, approve or post anything in Xero; your data is read on demand to build each briefing, then discarded, and never trains any AI model. It is built for UK businesses on Xero, and shaped by one named finance director rather than a template.

The reason it exists is visible in the corpus this page is built on. Across all 1,427 Syft, Fathom and Float reviews: 4 mention debtors, chasing or receivables. 1 mentions runway, cushion or months of cash. 14 mention anything weekly. That is not a criticism of those products; it is evidence of what their buyers value, which is reports, forecasts and consolidations. The weekly "is my cash safe and what do I do about it" question is barely in the conversation. That question is the whole of what OYN answers.

Where Own Your Numbers is the wrong choice

Read this before you trial anything. We would rather you bought the right tool.

• You need a forward cash-flow forecast. OYN does not build or maintain one. Buy Float or Fathom.
• You need scenario planning. Modelling a hire, a raise, a slow quarter: Float and Fathom do this, OYN does not.
• You need consolidated group reporting. OYN connects several Xero organisations, but each gets its own briefing; it makes no consolidation claim. Fathom and Syft both do.
• You have an FP&A team, or you are one. They will want the modelling depth and drill-down of Syft or Fathom, and they will find OYN thin.
• You need board packs, statutory accounts or benchmarking. Not what OYN does.
• You are not in the UK, or not on Xero. OYN is UK-only and Xero-only. Float and Fathom support other ledgers and countries.
• You want a proven product with hundreds of reviews. OYN has none yet.
• You want a dashboard to explore. OYN deliberately gives you a decision, not a dashboard. Some people want the dashboard. That is a legitimate preference.

Where the tools genuinely overlap

Fathom and Syft both produce cash and working-capital reporting, and Float updates from your Xero actuals, so all three can tell you something about your cash position if you go and look. Syft can email scheduled reports ("Emails scheduled weekly reports to me without me logging in to Xero", 5 stars, August 2023), and Calxa advertises the same. So OYN is not the only tool that can push something weekly. The difference OYN claims is what is in the push: not a report to interpret, but a cushion in months, a risk rating and five actions.

For accountants, bookkeepers and fractional FDs

If you run a practice, the calculus above flips: Syft and Fathom were built for you, and for client report packs they are the serious tools. Where OYN fits a practice is a different job: a weekly cash briefing per client that runs itself. Connect each client's Xero read-only under one account and every organisation gets its own Weekly Cash Score, a plain-English briefing you can share with the client without anyone getting write access to their books. It is the "has anything moved that I should ring them about" layer between monthly packs, not a replacement for them. How practices use the weekly briefing is a page of its own.

How to choose, in one line each