How we research, write and correct

Who publishes this

Everything here is published by the Peakfy Performance Team — the group that builds Peakfy at MIBEVA LTD, a company registered in England and Wales, company number 17404533. The full company details are in the legal notice.

Peakfy is co-developed with ex-professional cyclists and sport scientists from the pro peloton, and tested by riders who race and win stages at the Giro d'Italia, the Tour de France and the Vuelta. The Grand Tours do not endorse or partner with Peakfy.

We do not name those riders and scientists, and that is deliberate. We do not have their written permission to use their names in marketing. Naming them would make these pages more persuasive and would borrow a reputation that has not been given to us. If that permission is ever granted, the names will appear here first, and you will be able to check them.

What gets checked before anything is published

Two kinds of statement carry almost all the risk on this site, and each has its own rule.

Claims about physiology and training. These are sourced to peer-reviewed primary literature, linked directly to the study rather than to a summary of it, and read in full before being used. Where we give a number we give the conditions with it: how many participants, which sport, how long the intervention ran. Where a finding is contested we publish the study that disagrees next to the one that agrees, rather than picking the friendlier of the two.

Claims about other companies' products. These are read from that company's own website, on a date that is printed on the page you are reading. We do not repeat what a review site or a rival says about them. Where we cannot confirm something, the page says “not advertised”, never “no” — the absence of a feature from a marketing page is not proof the feature is absent.

We have not tested the competing products ourselves, and we say so in the body of every comparison page rather than in a footnote.

What we will never claim

This list exists because these are the claims that would be easiest to make and hardest for you to check.

• No user numbers, ratings, testimonials or awards. Peakfy has not launched. It has none of those things, and we will not invent them or borrow them from a beta.
• No prices until they are final in the app stores. A price we have not yet committed to is a guess, and a guess printed on a website reads as a promise.
• No medical claims. Peakfy is a sport-science tool, not a medical device. It does not diagnose, treat or monitor health, and readiness signals describe how you are coping with training load — nothing more.
• No “we have an AI coach and the others don't”. At least six competing products have one. What we will claim is narrower and true: ours is first-party and needs no setting up.
• No superlatives about our own product. “Best” cannot be disproved, and a page full of it is a page nobody has to argue with.

Writing about products we compete with

We build a rival product. That is a conflict of interest and it cannot be designed away, so we handle it in the open instead.

• Every comparison page states, in the body of the page rather than in the footer, that we make one of the products being compared.
• Claims about a rival carry the date they were read, and the source is linked so you can check the line yourself.
• We do not write about a weakness we have not verified on that company's own site on the date shown.
• Trademarks belong to their owners, and appearing on a comparison page does not imply any affiliation or endorsement.

If you work at a company we have written about and a line is wrong, write to support@peakfy.app. We would rather correct it than defend it.

How corrections work

Claims about other products are re-checked on a schedule, not only when someone complains. When a re-check fails, the page changes and the check date on it moves — which is also why that date is printed where you can see it.

This is not hypothetical. In August 2026 a scheduled re-check found that one comparison had over-stated a rival's corporate ownership in four of its six language versions, while the other two were correct. All four were rewritten the same day. A page whose check date never moves is not a page that is always right; it is a page nobody is checking.

If you find something wrong anywhere on this site — a number, a citation, a statement about another company — send it to support@peakfy.app. Filing a correction does not require you to be a customer.

What software writes, and what a person checks

Peakfy is a product built around a language model, so it would be strange to be coy about this: we use language models as a drafting tool for this site.

What that does not change is where the facts come from. Every figure, every citation and every statement about another company is checked by a person against the original source before it is published. A model is good at explaining something that is already true and structurally unsuited to establishing whether it is — which is the same reason Peakfy computes your training numbers in a deterministic engine and only lets the language layer explain them. The guide to AI cycling coaches sets out that split in full.

No page here is published from a model's output alone.