
Reviews
Part of Retail media reviews: a method for keeping evidence apart
Retail media product comparison: CitrusAd vs Kevel
Retail media product comparison of CitrusAd and Kevel: one sponsored-product assignment compares delivery models, with evidence limits made clear.
What to take away
- If you want sponsored products live on a UK retail site without building ad-serving software, CitrusAd is the closer fit. If you have engineers who want to own the serving layer, Kevel is.
- The clearest documented difference is interface ownership. CitrusAd supplies retailer and advertiser screens. Kevel returns sponsored listings by API for the property to render.
- This retail media product comparison covers CitrusAd and Kevel only; it does not assess other platforms.
- No overall winner is named, because neither first-party record publishes a price, a UK contracting entity, service levels or a tested UK deployment.
- Run one assignment through both productssame catalogue, same placement, same order window, same reporting period, measured in distinct event units.
- UK advertising and data rules apply whichever product you choose.
Build versus buy, stated directly
CitrusAd is the turnkey option and Kevel is the build-it-yourself option, judged on the two suppliers' own descriptions. That verdict concerns delivery model, not measured performance.
CitrusAd's retailer material describes sponsored products together with retailer control of the ad request and the display decision. Kevel's retail media guide describes sponsored listings returned as content that the implementing property renders itself.
The two products describe different reporting workflows, but this comparison has not tested either one. For a fair trial, record who renders each placement and who logs each event. Requests, returned responses, rendered placements and viewable impressions then become distinct units that must not be merged into one number.
Build versus buy
CitrusAd
- Delivery model
- Turnkey platform with supplier-built interfaces
- Sponsored-product unit
- Sponsored products and sponsored display sold by the retailer
- Interface ownership
- Supplier provides retailer and advertiser screens
- Documentation emphasis
- Retailer and advertiser workflows
- Reporting
- Retailer-facing reporting described
- Ownership
- Part of Publicis Groupe since 2021
- Best fit
- Retailer short of ad tech capacity
Kevel
- Delivery model
- API-first ad server, front end built in-house
- Sponsored-product unit
- Sponsored listing objects returned for local rendering
- Interface ownership
- Implementer provides every screen
- Documentation emphasis
- API reference and client libraries
- Reporting
- Impression and event logging left to the integrator
- Ownership
- Independent ad-serving vendor, formerly Adzerk
- Best fit
- Retailer or agency with in-house engineers
Limits of this comparison: neither page publishes a price, a UK contracting entity, a service level, a named UK retailer or a tested deployment result. The table records capability differences, not performance findings.
Example: one sponsored-product slot run through both products
- Fix the assignmentone sponsored-product slot on one UK retail site, one catalogue, one four-week reporting window.
- Record who renders the placement and who logs each event under each product.
- Separate requests, returned responses, rendered placements and viewable impressions into four counted events.
- Agree one order definition and one attribution window before either platform goes live.
- Cost both paths fullyconfiguration and managed support for CitrusAd, build and maintenance for Kevel.
What each product suits, read from documentation alone
CitrusAd suits a retailer with no ad tech team, because screens, auction logic and reporting arrive as one package. Expect less control over rendering detail and export format. The contract workstreams still need separate agreement on claims and consent.
Kevel suits a retailer or agency with engineering capacity, which keeps control of rendering, latency and the data model. Expect to fund and maintain the interface and reporting yourself.
These are expectations read from supplier documentation. No tested build or UK deployment was inspected, so treat them as items to verify in a paid trial.
UK checks that sit outside the product choice
Substantiation rules apply to any objective claim you publish about either product, so the evidence behind a comparison or case study has to exist. The CAP Code's substantiation requirements set that test.
Consent and lawful basis rules apply to any shopper data used in targeting or measurement. ICO direct marketing guidance covers the consent side; the Data Protection Act 2018 and UK GDPR sit behind it. Where ad tech uses cookies or similar technologies, the Privacy and Electronic Communications (EC Directive) Regulations 2003 (PECR) may also apply.
ONS retail industry statistics give UK trading context for sizing the opportunity, and they support no supplier performance claim. Use them for scale, not for a verdict.
Checklist before you commit
Six checks should be completed before this comparison informs a purchase or a published verdict.
Before you act
- Confirm contract scope and England availability
- Appoint named reviewers and testing body
- Inspect current versioned evidence
- Define order window and event units
- Verify commercial relationships and paid inclusion
- Get equal evidence depth for both
- Confirm the UK contracting entity, price and service levels in writing.
- Ask each supplier for a named UK retailer reference.
- Fix one assignment, one order window and one list of counted events.
- Get a build estimate for Kevel and a configuration estimate for CitrusAd.
- Confirm lawful basis and consent for shopper data used in measurement.
- Apply the UK assurance gate before treating supplier pages as evidence.
Common questions
Which of CitrusAd and Kevel should an England retailer choose?
Turnkey CitrusAd for speed without engineers, and API-first Kevel for control with an in-house stack. Neither choice is currently supported by published pricing or a named UK deployment.
What single assignment is being compared?
One sponsored-product slot on one UK retail site, with the same catalogue, placement, permission conditions, order window and reporting period applied to both.
What would change the verdict?
A published price, a named UK retailer reference, or a paid trial showing one product's rendering and reporting inside your own catalogue. Any of those could overturn the build versus buy split.
Where do England rules bite?
Advertising claims, consent and lawful basis sit outside the product choice and apply to both. The CAP Code sets advertising standards and is administered by the ASA; the ICO oversees data protection and PECR.



