No Fuss Gym - Mobile App | Last updated: May 2026
No Fuss Gym is a mobile application published by:
Karim El Harchi
Trade name: RoninKa Studio
VAT number: BE1037715601
Status: Self-employed (complementary activity)
6001 Marcinelle, Belgium
Email: contact@nofussgym.com
User data hosting (cloud):
Supabase Inc.
970 Toa Payoh North, #07-04, Singapore 318992
supabase.com
Server location: EU-West (European Union)
Compliance: GDPR, ISO 27001, SOC 2 Type II
Functional Software, Inc. (Sentry)
45 Fremont Street, 8th Floor, San Francisco, CA 94105, USA
sentry.io
Data location: EU-West
Use: automatic collection of crash and technical error reports for maintenance purposes (pseudonymized data, no health or performance data transmitted)
Resend - Transactional email delivery (password reset, notifications)
resend.com - Location: EU servers
No Fuss Gym (name, logo, source code, design, user interface, text content) is the exclusive property of Karim El Harchi, operated under the trade name RoninKa Studio, and is protected by intellectual property law: copyright (Belgium, EU), sui generis database rights (exercise library) and derivative works rights.
The source code was developed in Flutter/Dart and is the exclusive property of Karim El Harchi.
Any unauthorized reproduction, representation, modification, distribution or commercial use of the app or its elements constitutes infringement, subject to sanctions under the French Intellectual Property Code and the Belgian law of 30 June 1994 on copyright and related rights.
Exercise images: Source gym-visual (gym-visual.com), commercial license acquired by Karim El Harchi / RoninKa Studio. Authorized for use within the app only. Extraction, redistribution or use outside the app is prohibited.
Illustrations and graphics: Original creations by Karim El Harchi; some illustrations generated by AI via Stable Diffusion (local model, royalty-free), then substantially reworked and modified by the developer, constituting original derivative works.
Fonts: Montserrat and Inter (Google Fonts) - SIL Open Font License (OFL).
Sound effects: Some sound effects sourced from royalty-free libraries (CC0, public domain); others generated via ElevenLabs (elevenlabs.io) under their commercial use terms.
Data and content created by users (custom workouts, notes, photobook photos) remain the property of their authors.
By using the app, you grant the publisher a non-exclusive, royalty-free, worldwide license to host and process your data (required for the app to function and for cloud sync), as well as the right to use anonymized and aggregated data for statistical purposes. No individually identifiable data will ever be published. No ownership is transferred.
Technologies used: Flutter (Google), Dart (Google), Isar Database (open-source, Apache 2.0), Supabase, Sentry, Resend, ElevenLabs.
Open-source libraries: The app uses numerous open-source libraries (pub.dev packages). The full list is available in the app (Settings › About › Open-source licenses), in accordance with license obligations.
Thanks to: the Flutter community for the framework and packages; beta testers who participated in the No Fuss Gym beta phase.
Using No Fuss Gym involves the collection and processing of personal data.
Data controller: Karim El Harchi (RoninKa Studio) - contact@nofussgym.com - VAT: BE1037715601.
For full details on how your data is used, please read the Privacy Policy.
Your GDPR rights: access, rectification, erasure, portability, restriction of processing, objection and withdrawal of consent.
Supervisory authority (Belgium):
Autorité de Protection des Données (APD)
Rue de la Presse 35, 1000 Brussels
contact@apd-gba.be
Use of No Fuss Gym is subject to the Terms and Conditions. By creating an account, you accept the Terms and the Privacy Policy.
Key points: minimum age 16; personal and non-commercial use only; respect for intellectual property; Belgian law applies, jurisdiction of Charleroi.
No Fuss Gym is a workout tracking tool. The app does not constitute a medical device and does not replace professional medical advice, a program designed by a certified coach, or a health diagnosis.
Consulting a doctor before starting any training program is strongly recommended, especially if you have cardiac, respiratory or joint conditions; are pregnant or postpartum; have been sedentary for a long time; or have any pre-existing medical condition.
Health metrics (BMI, body fat percentage, body ratios) are calculated using standardized formulas and are provided for informational purposes only. They do not constitute a medical diagnosis and may be inaccurate. You are solely responsible for the safe and correct execution of all exercises. The publisher accepts no liability for injuries.
The publisher does not guarantee: permanent availability of the app; absence of errors or service interruptions; compatibility with all iOS and Android devices; absolute data security (though appropriate technical and organizational measures are in place); or the achievement of specific results.
This legal notice is governed by Belgian law. The GDPR (EU 2016/679) applies to all users residing in the European Union.
In the event of a dispute, an amicable resolution must be attempted before taking legal action: contact contact@nofussgym.com (30-day resolution period). Failing an amicable agreement, the courts of Charleroi, Belgium have jurisdiction. Consumers residing in the EU may bring proceedings before the courts of their country of residence in accordance with European consumer law.
EU online dispute resolution platform: ec.europa.eu/consumers/odr
Email: contact@nofussgym.com
Publisher: Karim El Harchi - RoninKa Studio, 6001 Marcinelle, Belgium
Usual response time: 48 to 72 business hours.
This legal notice may be updated at any time, notably following changes to features, third-party services or applicable regulations. Significant changes will be notified by email and/or in-app notification.
The app may contain links to external websites. The publisher is not responsible for the content, privacy practices or policies of those third-party sites.
Your data belongs to you. Workouts, measurements and photobook photos are your exclusive property; you can delete or export them at any time from the app settings (GDPR right to data portability).
The publisher uses your data solely for: app functionality (cloud sync, metric calculations); app improvement (aggregated and anonymized statistics); technical monitoring and error detection (Sentry, pseudonymized data). No sale, rental or sharing of your data with commercial third parties.
No Fuss Gym aims to make the app accessible to as many users as possible: light and dark theme support, adaptive font sizing (iOS/Android settings), and an intentionally simple interface.
To report an accessibility issue: contact@nofussgym.com
The app uses numerous open-source libraries. The full list of licenses is available in the app (Settings › About › Open-source licenses). All licenses (MIT, Apache 2.0, BSD, OFL, etc.) are respected.
The No Fuss Gym source code is proprietary and not open-source.
To responsibly disclose a security vulnerability: email contact@nofussgym.com with the subject line [SECURITY] followed by a brief description. Please do not publicly disclose the vulnerability before it has been fixed; we commit to fixing it promptly and crediting you with your agreement.