Legal
This Privacy Policy explains how Solide - by MMF Labs ("we", "us", "our") collects, uses, stores, and shares your personal information when you use the Solide mobile application and related services (collectively, "the Service").
We are committed to protecting your privacy and handling your data with transparency. Please read this policy carefully. By using Solide, you acknowledge that you have read and understood this Privacy Policy.
The data controller responsible for your personal information is:
MMF Labs
Email: contact@mmf-labs.com
If you are located in the United Kingdom, our processing of your personal data is subject to the UK GDPR and the Data Protection Act 2018. If you are located in the European Union, our processing is subject to the EU GDPR (Regulation 2016/679).
| Category | Examples | Required? |
|---|---|---|
| Account information | Email address, display name, password (stored as a secure hash) | Yes, to create an account |
| Workout data | Exercises performed, sets, reps, weights, session dates and times | Yes, for the core service |
| Support communications | Any information you share when contacting us | Only when you contact us |
| Category | Examples |
|---|---|
| Device information | Device type, operating system version, app version |
| Usage data | Features used, session frequency, screens viewed, in-app events (e.g. session started, article read) |
| Crash and performance data | Error logs, crash reports, load times — used to fix bugs and improve stability |
We do not collect your precise GPS location. We do not access your contacts, microphone, camera, or other device sensors unless you explicitly grant permission for a specific feature.
| Purpose | Data used |
|---|---|
| Providing the Service — generating session plans, logging workouts, tracking progress | Workout data, preferences, optional health data |
| Account management — registration, login, account recovery | Account information |
| Personalisation — adapting session suggestions to your history and goals | Workout data, optional health data, preferences |
| Service improvement — analysing how features are used to make them better | Usage data, crash reports (aggregated and anonymised where possible) |
| Communications — responding to support requests, sending important service updates | Email address, support communications |
| Legal compliance — meeting our obligations under applicable law | As required by law |
We do not use your data for automated decision-making that produces legal or similarly significant effects.
If you are in the UK or EU, we rely on the following legal bases to process your personal data:
If you choose to enable optional features such as self-reported mood/energy logging, we will ask for your explicit consent before collecting this data. You may withdraw this consent at any time by disabling the feature in your account settings — this will not affect any previously processed data.
Optional health data is used solely to personalise your experience within Solide (for example, adjusting session intensity suggestions). It is never used for any other purpose, and is never shared with third parties in identifiable form.
Workout data (sets, reps, weights) is not classified as health data under GDPR, but we treat it with the same level of care.
We do not sell your personal data. We share your data only in the following limited circumstances:
We work with carefully selected third-party providers who process data on our behalf, under strict contractual obligations, to help us deliver the Service. These include:
We may disclose your information if required to do so by law, court order, or governmental authority, or if we believe in good faith that such disclosure is necessary to protect the rights, property, or safety of Solide, our users, or the public.
If Solide is involved in a merger, acquisition, or sale of assets, your data may be transferred as part of that transaction. We will notify you before your personal data is transferred and becomes subject to a different privacy policy.
We retain your personal data for as long as your account is active or as needed to provide the Service. Specifically:
When you delete your account, we will delete or anonymise your personal data within 30 days, except where we are required to retain it for legal or regulatory reasons.
Depending on where you are located, you may have the following rights regarding your personal data:
To exercise any of these rights, please contact us at contact@mmf-labs.com. We will respond within 30 days. We may ask you to verify your identity before fulfilling your request.
UK residents may also contact the Information Commissioner's Office (ICO) at ico.org.uk. EU residents may contact their national data protection authority.
Solide is not directed at children under the age of 16. We do not knowingly collect personal data from anyone under 16. If we become aware that we have collected personal data from a child under 16 without appropriate consent, we will take steps to delete it promptly.
If you are a parent or guardian and believe your child has provided us with personal data, please contact us at .
Your data may be stored or processed in countries outside your own, including countries outside the UK or European Economic Area (EEA). Where this occurs, we ensure appropriate safeguards are in place, such as Standard Contractual Clauses approved by the relevant authority, to protect your data to a standard equivalent to that required under UK/EU law.
We implement appropriate technical and organisational measures to protect your personal data against unauthorised access, accidental loss, destruction, or damage. These include:
No method of data transmission or storage is 100% secure. While we take all reasonable steps to protect your data, we cannot guarantee absolute security. If you become aware of any security vulnerability or breach, please contact us immediately at contact@mmf-labs.com.
The Solide mobile App does not use browser cookies. However, our website (https://mmf-labs.com) may use cookies and similar tracking technologies for the following purposes:
You can control cookies through your browser settings. Disabling analytics cookies will not affect your ability to use the website.
The Solide App is distributed via the Apple App Store and Google Play Store. Apple and Google may collect data about your device and App Store interactions in accordance with their own privacy policies:
We are not responsible for the privacy practices of Apple, Google, or any other third-party services.
We may update this Privacy Policy from time to time to reflect changes in our practices or applicable law. When we make material changes, we will notify you via the App or by email, and update the "last updated" date at the top of this page.
We encourage you to review this policy periodically. Your continued use of the Service after any changes constitutes your acceptance of the revised policy.
If you have any questions, concerns, or requests relating to this Privacy Policy or how we handle your data, please contact us:
We will respond to all privacy-related enquiries within 30 days.