darwin.

Category guide · read on 11/09/2026

Software to follow a student or patient online: the category guide

Four products, four different problems. See what each one says about itself, with source and reading date, to choose by the task you need to solve.

Every claim about another product comes from the corresponding official site, read on 11/09/2026. Where the site does not say, we state that literally. Absence of information is not absence of the feature.

First, the category

Start from the problem you want to solve

The most expensive mistake is not choosing the wrong product within a category. It is buying from the wrong category and trying to make a billing system follow an athlete's progress.

Management system. Handles membership fees, invoices and access control. Example in this guide: Tecnofit.

Nutrition software. Supports consultations, meal plans, scheduling and reports. Examples: Nutrium and Dietbox.

Remote coaching platform. Helps prescribe, follow execution and talk with the student. Examples: TrueCoach and Darwin.

Factual comparison

The products side by side

Information published on the official sites, read on 11/09/2026. The Darwin row describes the product itself and is not an independent source.
ProductHow it describes itselfFor whomPublished priceTraining and nutrition
Nutrium “Nutritional follow-up for everyone” Dietitians From 15 euros per month on the annual plan, up to 10 clients (the website publishes in euros even on the Portuguese page) The website does not state
Dietbox “Nutrition software with a patient app” Dietitians Professional at R$ 49.90 per month on the annual plan; there is a free student plan The website does not state
Tecnofit “Management system for gyms, Cross and studios” Gyms, boxes and personal trainers R$ 269 per month for 50 active athletes, plus an implementation fee The website does not state
TrueCoach “Train Your Clients Online With The #1 Platform Built For Personal Trainers” Personal trainers and coaches Starter at US$ 26.34 per month on annual billing, up to 5 active clients Yes, macro tracking through MyFitnessPal integration, and the meal plan delivered as a document
Darwin“Brazilian health and performance app with AI: training, nutrition and professional follow-up in a single app, in Portuguese.”Running clubs, gyms, coaches and dietitiansPreview in preparation; accounts are not open yetYes, in the same engine

The Darwin row is about us and counts as a self-description; the others have verifiable sources on each page.

Sources and context

Read each comparison with its sources

Direct answers

Questions about the category

Escolha da ferramenta

Acompanhamento, treino e nutrição.

Which software does a professional use to follow a student or patient remotely?

It depends on the problem. If the problem is running a business (membership fees, invoices, access control), the category is management systems, and Tecnofit is one example. If it is working in a nutrition practice, the category is nutrition software, and Nutrium and Dietbox are examples. If it is prescribing and following the student's execution remotely, the category is coaching platforms, and TrueCoach and Darwin are examples. Buying from the wrong category is the most expensive mistake.

Is there software that handles training and nutrition in the same place?

Among the four products in this guide, the sites of Nutrium, Dietbox and Tecnofit state nothing about the other side: the first two do not mention training and the third does not mention a meal plan. TrueCoach handles nutrition through MyFitnessPal integration and delivers the meal plan as a document. Darwin generates training and the meal plan in the same engine, and that is why it exists.

Custos e fontes

Preços e critérios do guia.

How much does each one cost?

By the prices published on the official sites on 11/09/2026: Dietbox from 49.90 reais per month on the annual plan; Nutrium from 15 euros per month on the annual plan, up to 10 clients; TrueCoach from 26.34 dollars per month on annual billing, up to 5 clients; Tecnofit at 269 reais per month for 50 active students, plus an implementation fee, with the Tecnofit Personal app free up to 5 students. Darwin's preview is being prepared and professional accounts are not open yet.

How was this guide written?

Every claim about a third-party product came from its official site, read on 11/09/2026, and carries the URL. Where the product's site does not say, this guide writes literally "the website does not state" instead of claiming the feature does not exist. Absence of information is not absence of the feature.

Where Darwin comes in

Follow training and nutrition in the same place.

The professional prescribes training and nutrition in the same engine, the student executes in the app and the execution comes back with the week's real load. Darwin does not do gym management and does not replace the clinic's software.