Terms of Services
1. Introduction
Welcome to Sigh. The Sigh-branded applications, websites, software, and related services are provided by Sigh Ltd (company number: 16584674), whose registered office is at 17 New Wharf Road, London, N1 9RW, United Kingdom (“Sigh”, “we”, “us” or “our”).
These Terms of Service (“Terms”) constitute a legally binding agreement between Sigh and you (“you”, “your” or “User”) and govern your access to and use of:
the Sigh mobile application(s);
any Sigh website or web portal;
any software, content, features, functionality, or programme made available by Sigh; and
any associated services, including connectivity with Sigh hardware devices
(collectively, the “Services”).
By downloading, installing, accessing, or using any part of the Services, you acknowledge that you have read, understood, and agree to be bound by these Terms and our Privacy Notice, as amended from time to time. If you do not agree to these Terms, you must not use the Services.
Nothing in these Terms shall be construed as conferring any rights or benefits on any third party.
2. Eligibility and Capacity
By using the Services, you represent and warrant that:
you are at least eighteen (18) years of age;
you have the legal capacity to enter into binding contracts under the laws applicable to you;
you are not prohibited from using the Services under any applicable law, rule, or regulation; and
if you access or use the Services on behalf of a company or other legal entity, you have authority to bind that entity, in which case references to “you” and “your” shall include such entity.
If Sigh reasonably believes that you do not meet these eligibility requirements, Sigh may suspend or terminate your access to the Services without notice.
3. Changes to These Terms and to the Services
Sigh may amend, update, or replace these Terms from time to time in its sole discretion. Where we make material changes, we will take reasonable steps to notify you (for example, by in-app notice, email, or by updating the “Last updated” date above).
Your continued use of the Services following such changes constitutes your acceptance of the revised Terms. If you do not agree to the updated Terms, you must cease using the Services.
Sigh reserves the right at any time to modify, suspend, or discontinue any part of the Services (including features, content, or availability) without liability to you.
4. Registration, Account Security and Your Responsibilities
To access certain features of the Services, you may be required to create an account by providing registration information (the “Account”).
You agree to:
provide true, accurate, current, and complete information as requested; and
keep such information accurate and up to date at all times.
You are responsible for maintaining the confidentiality of your login credentials and for all activities that occur under your Account. You must:
not share your login details with any third party;
immediately notify Sigh at contact@sighhealth.com of any unauthorised use or suspected breach of security; and
ensure that you log out from your Account at the end of each session where relevant.
Sigh shall not be liable for any loss or damage arising from your failure to comply with these obligations.
5. Nature of the Services (Wellbeing and Behavioural Support Only)
The Services are designed to help Users track and manage their vaping behaviour, and may include features such as:
usage tracking and visualisation;
goal setting and tapering plans;
lockout or limit-setting in connection with Sigh hardware devices;
prompts, reflective questions, and educational content;
CBT-inspired and other behavioural tools.
You acknowledge and agree that:
The Services are wellbeing and behaviour-support tools only.
The Services are not medical devices, and Sigh does not provide medical treatment, diagnosis, or therapy of any kind.
The Services are not nicotine replacement therapy and are not a substitute for clinical or professional care.
Sigh does not supply any nicotine products, cartridges, or e-liquids; any such products used in conjunction with Sigh hardware are obtained independently by you and used at your own risk.
You remain solely responsible for your own health decisions, including whether to use nicotine, whether to change your nicotine intake, and whether to seek professional treatment.
You must not rely on the Services as a substitute for medical advice. If you are concerned about your health, addiction, or mental wellbeing, you should consult a qualified healthcare professional.
6. Licence and Use of the Services
Subject to your compliance with these Terms, Sigh grants you a limited, non-exclusive, non-transferable, revocable licence to:
download and install the Sigh app on a device you own or control; and
access and use the Services for your personal, non-commercial use only.
You must not:
copy, modify, adapt, translate, reverse engineer, decompile, or disassemble any part of the Services (except to the extent such restriction is prohibited by law);
circumvent or attempt to circumvent any security, usage limits, lockout mechanisms, or other technical measures implemented in the Services or Sigh hardware;
use any automated means (bots, scripts, scraping tools) to access or interact with the Services except as expressly permitted by Sigh;
rent, lease, sub-license, sell, or otherwise exploit the Services for commercial purposes without our prior written consent.
Sigh retains all rights not expressly granted to you in these Terms.
7. Acceptable Use and Prohibited Conduct
You agree that you will use the Services only in accordance with:
these Terms;
all applicable laws, regulations, and codes; and
any additional policies or guidelines that Sigh may make available from time to time.
You must not use the Services in any way that:
is unlawful, fraudulent, or misleading;
promotes or encourages harm to yourself or others;
promotes or facilitates violence, hate, abuse, or harassment;
exploits or harms children or vulnerable persons;
infringes any intellectual property, privacy, or other rights of any third party;
involves unauthorised access to or interference with any systems, networks, or data;
introduces viruses, malware, or any other harmful code; or
interferes with or disrupts the integrity or performance of the Services.
Sigh reserves the right, in its sole discretion and without liability, to suspend or terminate your Account and access to the Services if it reasonably believes you have breached this section.
8. Health, Safety and Risk Acknowledgement
When using the Services in conjunction with any Sigh hardware device:
you are responsible for using the device in accordance with all safety information provided by Sigh;
you acknowledge that device-imposed usage limits and lockouts may cause inconvenience, frustration, or increased cravings;
you agree not to use the device or Services whilst driving, operating machinery, or in any context where distraction or withdrawal may pose a risk.
You acknowledge that reducing or changing nicotine use may cause withdrawal symptoms or emotional discomfort. Sigh is not responsible for how you respond to such changes.
If you experience severe distress, health problems, or suicidal thoughts, you must stop using the Services and seek urgent help from appropriate health services or emergency services.
9. AI-Generated and Educational Content
Some parts of the Services may use algorithms, AI-driven systems, or automated content generation to provide:
prompts, reflections, or suggestions;
behavioural insights;
educational materials; or
conversational support.
You acknowledge and agree that:
Any such content is informational and educational only, and does not constitute medical, psychological, or therapeutic advice.
Sigh does not warrant that any content is accurate, complete, or suitable for your specific circumstances.
You remain solely responsible for any decisions you take or actions you do or do not take based on content accessed via the Services.
10. User Content
The Services may allow you to submit, store, or share content, including but not limited to notes, reflections, mood logs, goals, or other data (“User Content”).
You remain responsible for your User Content and warrant that:
By submitting User Content via the Services, you grant Sigh a worldwide, non-exclusive, royalty-free, transferable and sub-licensable licence to:
use, store, reproduce, adapt, modify, analyse, and display your User Content
for the purposes of providing, operating, improving, and promoting the Services and Sigh’s business.
Sigh may use aggregated and anonymised data derived from your User Content for research, analytics, and commercial purposes, provided that you are not personally identifiable.
11. Privacy
Your use of the Services is subject to our Privacy Notice, which explains how we collect, use, and safeguard your personal data.
By using the Services, you acknowledge that you have read and understood the Privacy Notice and that you consent to our data processing practices as described therein.
12. Third-Party Services and Links
The Services may include links to, or integrations with, third-party websites, apps, services, or content (“Third-Party Services”).
Sigh does not endorse, control, or assume responsibility for any Third-Party Services. Any dealings you have with third parties are solely between you and the relevant third party. Sigh shall not be liable for any loss or damage arising from your use of Third-Party Services.
13. Fees, Subscriptions and Trials
Some parts of the Services may be made available on a paid subscription basis (“Paid Services”).
Where applicable, we will clearly set out:
By subscribing to any Paid Services, you authorise Sigh (or its payment processor) to charge the applicable fees to your chosen payment method on a recurring basis until you cancel in accordance with the instructions provided in the app or on our site.
Unless otherwise stated, all fees are non-refundable to the fullest extent permitted by law.
14. Intellectual Property
Except for User Content, all content and materials included in or made available through the Services, including but not limited to text, graphics, logos, icons, images, audio, video, software, and the design and arrangement thereof, are the property of Sigh or its licensors and are protected by copyright, trade mark, and other intellectual property laws.
You may not reproduce, distribute, modify, create derivative works from, publicly display, or exploit any part of the Services, except as expressly permitted by these Terms or with Sigh’s prior written consent.
15. Availability and Maintenance
Sigh will use reasonable endeavours to keep the Services available; however, you acknowledge that:
the Services may be unavailable from time to time due to scheduled or emergency maintenance, upgrades, or circumstances beyond Sigh’s reasonable control;
Sigh does not guarantee uninterrupted, error-free, or secure operation of the Services.
Sigh shall not be liable for any unavailability, suspension, or withdrawal of the Services.
16. Disclaimers
To the fullest extent permitted by law:
The Services are provided on an “as is” and “as available” basis, without any warranties of any kind, whether express or implied.
Sigh expressly disclaims all implied warranties, including but not limited to implied warranties of satisfactory quality, fitness for a particular purpose, and non-infringement.
Sigh does not warrant that the Services will meet your requirements, achieve any particular behavioural or health outcome, or be compatible with all devices or networks.
Sigh does not warrant the accuracy, completeness, or reliability of any content or information provided via the Services.
Nothing in these Terms shall exclude or limit any warranty or liability that cannot be excluded or limited under applicable law.
17. Limitation of Liability
To the fullest extent permitted by law:
Sigh shall not be liable for any:
loss of profit, revenue, business, or opportunity;
loss or corruption of data;
loss of goodwill or reputation;
indirect, consequential, or special loss or damage;
whether arising in contract, tort (including negligence), or otherwise.
Sigh’s total aggregate liability to you arising out of or in connection with the Services and these Terms, whether in contract, tort (including negligence), or otherwise, shall be limited to the greater of:
Nothing in these Terms shall exclude or limit liability for:
death or personal injury caused by negligence;
fraud or fraudulent misrepresentation; or
any other liability which cannot lawfully be excluded.
18. Indemnity
You agree to indemnify and hold harmless Sigh and its officers, directors, employees, and contractors from and against any and all claims, damages, liabilities, costs, and expenses (including reasonable legal fees) arising out of or in connection with:
your breach of these Terms;
your misuse of the Services or Sigh hardware;
your infringement of any third-party rights; or
your use of nicotine or other substances in combination with the Services.
19. Termination
You may stop using the Services at any time and may delete your Account via the settings available in the App (where provided) or by contacting Sigh.
Sigh may suspend or terminate your access to the Services (in whole or in part) at any time, with or without notice, if: you breach these Terms; you misuse the Services or Sigh hardware;
Sigh ceases providing the Services generally; or
Sigh reasonably believes that your continued use of the Services may pose a risk to you, other users, or Sigh.
Upon termination of your Account for any reason:
All rights granted to you under these Terms shall immediately cease, and you must stop all use of the Services.
Sigh will retain your personal data for a period of up to thirty (30) days from the date of termination, solely for the purposes of: account closure administration, resolving any outstanding queries, and meeting legal or regulatory requirements.
After this period, your personal data will be permanently deleted or irreversibly anonymised, unless a longer retention period is required by law or has been expressly agreed with you.
You may request deletion of your data sooner by contacting Sigh at contact@sighhealth.com, and Sigh will comply unless a legal obligation requires ongoing retention.
Sections which by their nature are intended to survive termination (including but not limited to Sections 5, 8–9, 10, 14–18) shall continue in full force and effect.
20. Governing Law and Jurisdiction
These Terms and any dispute or claim arising out of or in connection with them (including non-contractual disputes or claims) shall be governed by and construed in accordance with the laws of England and Wales.
The courts of England and Wales shall have exclusive jurisdiction to settle any dispute or claim arising out of or in connection with these Terms or the Services, subject always to any mandatory consumer protection laws that apply in your country of residence.
21. General
If any provision of these Terms is held to be invalid or unenforceable, that provision shall be enforced to the maximum extent permissible and the remaining provisions shall remain in full force and effect.
No failure or delay by Sigh in exercising any right or remedy under these Terms shall constitute a waiver of that or any other right or remedy.
You may not assign or transfer any of your rights or obligations under these Terms without Sigh’s prior written consent. Sigh may assign or transfer its rights and obligations under these Terms to another entity in connection with a merger, acquisition, corporate reorganisation, or sale of assets.
22. Contact
If you have any questions about these Terms or the Services, please contact:
Sigh Ltd
17 New Wharf Road
London
N1 9RW
United Kingdom
Email: contact@sighhealth.com
