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How Do I Tell Whether the Offers I Run on Deliveroo and Uber Eats Are Making Me Money?

Takeaways opt into app promotions without knowing what they cost or earn. We measure each offer against normal trading so you can keep or stop it.

Updated 3 min readBy SpiderHunts Technologies

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Quick answer — TL;DR

Delivery apps make it easy to switch on free delivery, percentage off or buy-one-get-one offers, and hard to see what each one actually did. We collect order and promotion data from each app, compare trading during an offer with similar periods without it, and show what the offer cost you and what it brought in, so the decision to keep it is based on your numbers.

The offer that is always on

Months ago an account manager from one of the apps suggested an offer to boost visibility. It seemed to work, orders went up, so you left it running. Then another app suggested something similar. Now you have a buy-one-get-one on a main on one app, free delivery over a certain spend on another and a percentage off for new customers on the third.

Are they working? Orders are busy, but you do not know how busy you would be without them. The statements show promotion charges, but they are lumped in with other deductions. You suspect some of these offers are just giving money away to customers who would have ordered anyway, but you cannot prove it, and switching them off feels risky.

Why offers are so hard to judge

The apps report promotions in their own terms: redemptions, new customers reached, sales during the offer. What they do not show is what would have happened without it, which is the question that matters. A busy week during an offer may just be a busy week.

The costs are also spread around. Some offers are funded entirely by you, some shared with the app, and some come with higher placement fees. They are deducted in the payout, often as a single line. Meanwhile the extra food costs money to make. Nobody puts the discount, the fees and the food cost next to the extra sales in one place.

What you cannot see about your offers

QuestionWhy it is usually unanswered
Did the offer bring new customers?App reports and your own records are separate
Would those orders have come anyway?No comparison with similar weeks without the offer
What did it cost in total?Discount, fees and extra food cost are in different places
Do new customers come back?Repeat ordering is not tracked after the offer ends
Which app's offers work best?Each app reports in its own format

The result is offers that run for months because nobody can say whether to stop them, and decisions made on the account manager's say-so rather than on your own data.

How we measure each promotion

  1. We pull order-level data from each app, including which orders used a promotion and how much of the discount you funded, through partner reporting or statement exports.
  2. Each offer is recorded with its start and end dates, the app, the terms and any fees attached.
  3. Trading during the offer is compared with similar periods without it: the same days of the week, similar weather and no big football, so the comparison is fair rather than flattering.
  4. The cost side adds up the discount you funded, any placement fee and the food cost of the extra items, using your menu costings where you have them.
  5. Where the app shares customer references, we track whether customers who first ordered on an offer came back and ordered again at full price.
  6. A simple page shows each offer, what it cost, what changed in orders and sales, and a plain-English note of how confident the comparison is.

We do not give financial advice or tell you what to run. We give you a clear view of what each offer did, including when the data is too thin to say.

Deciding about offers with the numbers

You look at the page on a Monday and see that the percentage-off offer on one app coincides with more orders, but mostly at the same times and from the same areas as before, and few of those customers ordered again. The free-delivery threshold on another app nudged basket size up. You switch off the first, keep the second, and check again in a month.

  • Each promotion shown with its full cost
  • A fair comparison with normal trading
  • Repeat ordering tracked where the data allows
  • Offers judged on your numbers, not the app's pitch

Does this sound like your promotions?

  • You have offers running that nobody remembers switching on.
  • Promotion charges on your statements are a mystery.
  • You have never compared weeks with and without an offer.
  • Account managers suggest offers and you say yes by default.
  • You do not know if offer customers ever order again.

FAQ

Frequently asked questions

The questions readers ask us after this guide.

Still have a question?

Ask us directly — a senior engineer will get back to you.

Ask about your project

Can you prove an offer caused the extra orders?

Not with certainty. We compare fairly and say how confident the result is. Sometimes the honest answer is that there is not enough data yet.

Do I need food costings for this?

They make the cost side much more accurate. If you do not have them, we can use estimates you give us and mark them as such.

Will this work across several sites?

Yes, and comparing the same offer across sites is often one of the most useful views.

What does it depend on to build?

The number of apps and how much order-level promotion data each one gives you. If the payout reconciliation is already in place, this builds on it.

Keep reading

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