// Independent Testing · No Affiliates · No Sponsored Placements Methodology · Editorial
Dermola
VO

Mateo Ferraro, MS, CPT

Lead Tester & Editor-in-Chief

About Mateo Ferraro

Mateo Ferraro established Dermola in August 2025 to address a significant void in consumer software journalism. While major consumer technology outlets provide in-depth testing for phones, headphones, and laptops, calorie tracking applications, which are daily tools for millions involved in weight-loss, recomposition, and GLP-1 protocols, were relegated to affiliate-driven roundups that change rankings based on the highest-paying app of the quarter. Mateo believed that this category required a Wirecutter-like platform for calorie counters, and he was ideally suited to create it.

His expertise lies in computer science rather than nutrition. He earned an MS in Computer Science from Carnegie Mellon and a BS in Computer Science from Georgia Tech. Prior to his role at Dermola, he spent eight years as a senior tester at a leading consumer technology outlet. In that position, he oversaw benchmark suites, evaluated AI photo software against laboratory standards, devised testing protocols for fitness wearables, and authored comparisons for productivity tools. The methodology he employs at Dermola is, in many respects, an advancement of the protocol design he developed in that previous role.

Credentials in detail

The personal trainer certification is intentional. Mateo utilizes it to evaluate fitness-related app features within a real lifting context: editing protein targets, adjusting macros for training versus rest days, and identifying specific failure modes of macro tracking apps when an athlete is maintaining a 1.8 g/kg protein minimum. He coaches about four lifters in his spare time; this is not merely a side gig but an essential part of his methodology.

Editorial focus

Mateo serves as the editor of record for every score published. He manages the AI photo-recognition testing battery, the test-protocol framework, and the dual-tester approval process for ranked content. He personally writes the lab’s primary head-to-head comparisons (MyFitnessPal vs Cronometer, Cal AI vs Lose It, etc.) and conducts a senior edit on all comparisons and best-of lists prior to their release. Nadia Haddad examines any nutrition science claims before publication.

In 2026, his main editorial undertaking is the Dermola benchmark series. He is the lead author of the 2026 Calorie Counter App Accuracy Benchmark, a 40-meal, 8-app weighed-reference protocol, with the raw per-meal CSV made available under CC BY 4.0. The series follows a quarterly retesting schedule; Mateo is responsible for the test plan, the retest timeline, and the editorial position the lab adopts when an app’s pooled MAPE fluctuates between cycles.

Quotes journalists may attribute

The following pre-approved quotes from Mateo Ferraro may be used by reporters without additional outreach. Attribution: “Mateo Ferraro, Editor-in-Chief, Dermola.”

Conflicts of interest

Mateo has no financial ties with any calorie tracking app companies. He does not own shares in, accept payment from, or sit on the advisory board of any app reviewed on this site. He has no affiliate accounts, and the lab is not currently part of affiliate programs for any reviewed app. His earnings come solely from this publication. He has never received compensation from any company whose product is reviewed here.

Recent Work

Articles

App Reviews

Comparisons