Instacrypt Cloud — Terms of Service

Effective date: August 26th, 2026 Operator: Instacrypt, a service operated by 3DF Limited (Hong Kong S.A.R.), Rm 1104, Crawford House, 70 Queen’s Road Central, Central, Hong Kong (“Instacrypt”, “we”, “us”, “our”).

1. About these Terms

These Terms of Service (“Terms”) govern your access to and use of Instacrypt Cloud — the optional, paid, hosted service that provides account sign-in, cross-device sync, contact discovery, and encrypted file sharing for the Instacrypt applications (“the Service”).

The Instacrypt desktop and mobile apps, the icc command-line client, and the icfx developer library are separate, free, open-source software distributed under their own licenses. You can install and use them entirely on your own devices, with no account and no connection to the Service. These Terms apply only to Instacrypt Cloud, not to your local, offline use of the open-source software.

By creating an account or otherwise using the Service, you agree to these Terms. If you do not agree, do not use the Service.

2. Eligibility

You must be at least 16 years old (or the age of digital consent in your country, if higher) and able to form a binding contract to use the Service. If you use the Service on behalf of an organization, you represent that you are authorized to bind that organization to these Terms.

3. Alpha / experimental software

Instacrypt Cloud is pre-release, alpha software provided for evaluation. You acknowledge and accept that:

Features may change, break, or be removed at any time, with or without notice.
The Service may contain bugs, errors, and security weaknesses. Its security has not yet completed independent expert review or third-party audit.
Your data may be lost, corrupted, or become permanently inaccessible. You are responsible for keeping your own backups of anything important.
The Service may be discontinued in whole or in part at any time.

Do not rely on the Service as your sole store of any critical or irreplaceable data during the alpha.

4. Service availability — no uptime guarantee

The Service is provided on an “as available” basis with no guarantee of availability, uptime, performance, or continuity, and no service-level agreement (SLA). We may suspend, interrupt, throttle, degrade, restrict, or discontinue the Service — in whole or in part, for any user or all users — at any time, with or without notice, and without liability to you. Planned or unplanned maintenance, outages of our hosting or storage providers, and events outside our control may make the Service temporarily or permanently unavailable.

5. Your account, keys, and security

You are responsible for your account credentials, your encryption passphrase and keys, and the devices you use. You agree to keep them secure and to notify us promptly of any unauthorized use.

Instacrypt Cloud is zero-knowledge. Your encryption keys and passphrase never leave your device in a form we can read, and we cannot recover them. If you lose your passphrase, your keys, and your recovery codes, your encrypted data is permanently inaccessible — we cannot reset, decrypt, or restore it for you. This is a deliberate security property, not a limitation we can waive.

You may sign devices out remotely, and the Service may cap the number of concurrent sessions per account.

6. Plans, subscriptions, and billing

The Service offers a free tier and paid subscription tiers. The free tier does not include file sharing. Current tiers, prices, and limits are shown in the app and on our website and may change.

Payment processor. Paid subscriptions are billed through Stripe. We do not receive or store your card details; Stripe processes them under its own terms and privacy policy. Applicable taxes are calculated and collected via Stripe.
Auto-renewal. Paid subscriptions renew automatically for successive periods at the then-current price until cancelled. You authorize recurring charges.
Cancellation. You may cancel at any time; cancellation takes effect at the end of your current billing period, and you retain paid features until then.
Refunds. Except where required by applicable law (including any statutory cancellation or withdrawal rights you may have as a consumer), fees are non-refundable.
Price and plan changes. We may change prices and plan limits. Changes to recurring prices apply from your next renewal, with reasonable prior notice.
Non-payment / downgrade. If payment fails or you downgrade below your current usage, we may restrict paid features after a grace period (currently around 30 days) and, if the failure continues, suspend the subscription.

File sharing is subject to your plan’s limits, including the number of simultaneously active shares and the maximum size per shared file. Shares have a time-to-live (currently between 60 seconds and 30 days; a share may also be kept until you delete it). Shared file contents are encrypted on your device and stored with our storage provider in the European Union; we do not see their contents. Routing information for a share (such as the recipient and the declared file name) is retained only while the share is active and for a short retention window afterward, then deleted. We do not guarantee delivery, retention, or recoverability of any share.

8. Acceptable use

You agree not to use the Service to:

violate any applicable law or regulation, or infringe others’ rights (including intellectual-property, privacy, or publicity rights);
store, share, or transmit unlawful content, malware, or content you have no right to distribute;
harass, abuse, threaten, or harm others;
attempt to gain unauthorized access to, disrupt, overload, probe, or reverse-engineer the Service or its infrastructure, or circumvent its security measures, rate limits, quotas, or plan restrictions;
resell or provide the Service to third parties except as expressly permitted; or
use automated means to abuse the Service.

Because the Service is zero-knowledge, we cannot read the contents you encrypt. This does not permit unlawful use: you remain fully responsible for your content and conduct, and we may suspend or terminate accounts, and respond to valid legal process and abuse reports, to the extent technically and legally possible.

9. Your content

As between you and us, you retain all rights to the content you create, encrypt, store, or share through the Service. You are solely responsible for your content and for ensuring you have the rights to use and share it. You grant us only the limited rights necessary to operate the Service — to store, transmit, and process the (encrypted) data and the minimal metadata described in our Privacy Policy — for the purpose of providing the Service to you.

10. Intellectual property

The Service, the Instacrypt name and logos, and all related materials are owned by us or our licensors and are protected by law. Except for the open-source components (which are governed by their own licenses), nothing in these Terms grants you any right in our intellectual property.

11. Term, termination, and account deletion

These Terms apply while you use the Service.

You may stop using the Service at any time and delete your account from within the app. Self-service deletion begins a soft-deletion period (currently 30 days) during which signing back in cancels the deletion; after that period, the account and its data are permanently deleted, as described in the Privacy Policy.
We may suspend or terminate your access, in whole or in part, at any time — including for breach of these Terms, non-payment, suspected abuse or unlawful use, or legal reasons — with or without notice.

On termination, your right to use the Service ends and your data is deleted in accordance with the Privacy Policy. Sections that by their nature should survive termination (including Sections 9–14 and 16) survive.

12. Disclaimers

THE SERVICE IS PROVIDED “AS IS” AND “AS AVAILABLE”, WITH ALL FAULTS AND WITHOUT WARRANTIES OF ANY KIND. To the maximum extent permitted by applicable law, we disclaim all warranties, express, implied, or statutory, including any warranties of merchantability, fitness for a particular purpose, non-infringement, title, availability, uninterrupted or error-free operation, security, and preservation of data. We do not warrant that the Service will meet your requirements, be available at any particular time, or be free of vulnerabilities. The Service is alpha software whose security has not been independently audited.

Some jurisdictions do not allow the exclusion of certain warranties, so some of the above may not apply to you; in that case such warranties are limited to the minimum permitted by law.

13. Limitation of liability

To the maximum extent permitted by applicable law:

We are not liable for any indirect, incidental, special, consequential, exemplary, or punitive damages, or for any loss of profits, revenue, goodwill, or data, arising out of or relating to the Service, even if we have been advised of the possibility of such damages.
Our total aggregate liability for all claims relating to the Service will not exceed the greater of (a) the total fees you paid us for the Service in the 12 months before the event giving rise to the claim, or (b) US$96. If you use only the free tier, our aggregate liability is zero to the extent permitted by law.

Nothing in these Terms excludes or limits any liability that cannot be excluded or limited under applicable law — for example, liability for intent or gross negligence, for death or personal injury caused by negligence, or under mandatory consumer-protection law. Where such law applies, the limitations above apply only to the extent permitted.

14. Indemnification

To the extent permitted by applicable law, you agree to indemnify and hold harmless 3DF Limited and its officers, employees, and agents from any claims, damages, liabilities, and expenses (including reasonable legal fees) arising out of your content, your use of the Service, or your breach of these Terms. This Section does not apply to the extent a claim results from our own wrongdoing, and does not enlarge any obligation beyond what applicable consumer law permits.

15. Changes to the Service and to these Terms

We may modify the Service and these Terms. If we make material changes to these Terms, we will provide reasonable notice (for example, in-app or by email) before they take effect. Your continued use of the Service after changes take effect constitutes acceptance. If you do not agree to the changes, you must stop using the Service.

16. Governing law and disputes

These Terms are governed by the laws of Hong Kong S.A.R., without regard to conflict-of-laws rules, and the courts of Hong Kong S.A.R. will have jurisdiction, except that this choice does not deprive you of the protection of any mandatory consumer-protection law of your country of residence, and does not affect your rights or our obligations under the EU General Data Protection Regulation, which apply regardless.

17. Miscellaneous

If any provision of these Terms is held unenforceable, the remaining provisions remain in effect. Our failure to enforce any provision is not a waiver. These Terms, together with the Privacy Policy, are the entire agreement between you and us regarding the Service. You may not assign these Terms without our consent; we may assign them to an affiliate or in connection with a merger, acquisition, or sale of assets. We are not liable for any failure or delay caused by events beyond our reasonable control.

18. Contact

Legal notices: [email protected] General support: [email protected] 3DF Limited, Rm 1104, Crawford House, 70 Queen’s Road Central, Central, Hong Kong