Terms of Service
Effective date: September 5, 2026
Welcome to Lamp. (the "Service"), a collection of browser-based apps for children, operated by a sole proprietor based in Japan trading as Lamp. (the "Operator", "we", "us"). These Terms of Service (the "Terms") govern your access to and use of the Service. By using the Service, you agree to these Terms. If you do not agree, please do not use the Service.
1. The Service
The Service provides creative and educational web apps designed for young children (drawing, music, simple games, and similar activities). The Service runs in a web browser; no installation is required. We may add, change, or remove apps and features at any time.
2. Accounts and parents
- Accounts on the Service are held and managed by a parent or legal guardian, not by the child. Simply using the Service creates no account: an account comes into existence only when a parent or guardian signs in with their own Google account — to purchase or restore a paid plan, or to use the parent features described in section 6 (backup to the parent's own Google Drive and the break signal).
- Children under 13 (or the applicable age of digital consent in your country) may use the Service only under the supervision of a parent or guardian who accepts these Terms on their behalf.
- You are responsible for activity that occurs under your account and for keeping access to the Google account you sign in with secure.
- Settings for adults (subscription management, external links, and similar features) are placed behind a parental gate. The gate is a usability measure to prevent accidental taps by children; parents remain responsible for supervising use of the Service.
3. Subscriptions and payment
- Parts of the Service may be offered under paid subscription plans. Prices, plan contents, and billing intervals are shown on the Pricing page and in the Service before you subscribe. The current paid plan is Plus, US$1.50 per month — a startup campaign price, reduced from the regular US$3. If you subscribe while the campaign price is displayed, that price will not change for as long as your subscription continues; we will not raise it when the campaign ends.
- Payments are processed by our payment provider, Paddle, acting as merchant of record. Your purchase is also subject to Paddle's own terms and policies. We never receive or store your card details.
- Subscriptions renew automatically at the end of each billing period unless cancelled.
- You may cancel at any time. After cancellation, your plan remains active until the end of the paid period already charged; no further charges are made.
- We offer a 30-day money-back guarantee on every payment for a paid plan, including the first payment and every renewal payment. Full details, including how to request a refund, are in our Refund Policy. Nothing in these Terms limits any statutory rights you have as a consumer.
4. Prohibited conduct
You must not, and must not attempt to:
- copy, reproduce, redistribute, republish, or mirror the Service or any part of its code, artwork, sounds, or other content, except as strictly necessary for ordinary browser use;
- reverse engineer, decompile, or disassemble any part of the Service, or circumvent technical measures that control access to paid or restricted content;
- scrape, crawl, or bulk-download the Service or access it with automated tools other than ordinary search-engine indexing of public pages;
- resell, rent, or commercially exploit the Service without our prior written permission;
- interfere with the operation of the Service, probe or attack its infrastructure, or access accounts or data that are not yours;
- use the Service in violation of any applicable law.
5. Intellectual property
- The Service — including its code, design, characters, artwork, sounds, and text — is owned by the Operator or its licensors and is protected by copyright and other laws. We grant you a limited, non-exclusive, non-transferable, revocable licence to use the Service for personal, non-commercial purposes.
- Things your child creates in the apps (drawings, music, letters, and so on) belong to you. Creations are stored locally on your device (in the browser's storage) and are yours to keep, share, or delete. If you use the backup feature (section 6), copies are stored in your own Google Drive, under your Google account; we do not receive them.
6. Parent features: backup and break signal
The two features in this section are available only on the Plus
plan (see the Pricing page) and require a parent to
be signed in with their own Google account. For backup, Google will separately ask
you to allow Lamp. to access only the files it creates itself
(the drive.file permission); this does not extend to anything else in
your Drive.
- Backup and restore. A signed-in parent can back up the data stored on a device — creations and settings, including photos taken inside the apps and voice recordings — to their own Google Drive, and restore it on a device signed in with the same Google account. The transfer takes place directly between your browser and Google Drive; the data does not pass through, and is not stored on, our servers, and we cannot access it. Backups are subject to Google's terms and storage limits. Because backup relies on Google Drive, whether a backup can be created or restored depends on Google's service, on the storage available in your Google account, and on your device and browser. We are not responsible for outcomes caused by those matters, which are outside our control — this does not exclude our own liability for failing to provide the feature as described, and if the feature is persistently unusable you may request a refund under our Refund Policy. You remain responsible for making backups, for keeping access to your Google account, and for checking that a restore produced the result you wanted. Both backing up and restoring are a merge: backing up merges the device into the storage area in your Google Drive, and restoring merges that storage area into the device. Items that exist on only one side are added; items that exist on both keep whichever version was saved more recently, so an item on the receiving side may be overwritten by the newer version. In addition, data you delete on a device is also removed from the storage area in your Google Drive when you next back up from that device, and is then removed from your other devices when you restore on them (if you have not backed up since the deletion, restoring brings the data back). Before either operation, the app lists every item that would be overwritten or deleted and lets you exclude items one by one; profiles that do not yet exist on the device are created only if you choose to.
- Break signal. A signed-in parent can send a "break" instruction to the devices signed in with the same Google account, which then show the break screen for the chosen time. This is a convenience to help families pause play; it is not a monitoring or security tool, and does not replace supervision. A signal reaches a device only while that device is signed in, online, and has Lamp. open on screen; a device that is closed or in the background applies the break the next time Lamp. is opened, and delivery can be delayed by network conditions. Anyone using a device signed in with the same account can send or cancel a signal, and a break can be avoided by clearing browser data or by using a different browser or device. The feature does not prevent this.
7. Disclaimer of warranties
The Service is provided "as is" and "as available", without warranties of any kind, whether express or implied, including fitness for a particular purpose and uninterrupted or error-free operation. Browser-based apps depend on your device, browser, and network, which are outside our control.
This section does not apply to liability arising from our intentional misconduct or gross negligence, or to any liability that cannot be excluded under applicable law. It also does not relieve us of our obligation to provide a paid plan as described on the Pricing page and in these Terms.
8. Limitation of liability
To the maximum extent permitted by applicable law, the Operator shall not be liable for any indirect, incidental, special, or consequential damages (including loss of data or loss of profits) arising out of or relating to the Service. To the same extent, our total liability for any claim relating to the Service is limited to the amount you paid for the Service in the 12 months before the claim arose. Nothing in this section excludes liability that cannot be excluded under applicable law (including liability arising from our intentional misconduct or gross negligence, and mandatory consumer rights).
Consumers in the EEA and the United Kingdom. Nothing in sections 6, 7, and 8 limits your mandatory statutory rights, including your rights in respect of digital content and digital services under Directive (EU) 2019/770 as implemented in your country, and your rights under the Consumer Rights Act 2015. Where those rights conflict with these Terms, those rights prevail.
9. Changes to the Service and to these Terms
We may update these Terms from time to time (for example, when we add features or when the law changes). If we make material changes, we will announce them on the Service in advance in a reasonable manner. The effective date at the top of this page shows when the current Terms took effect. Continued use of the Service after a change takes effect constitutes acceptance of the updated Terms.
10. Governing law and jurisdiction
These Terms are governed by the laws of Japan, without regard to conflict-of-law rules. Any dispute arising out of or relating to the Service shall be subject to the exclusive jurisdiction of the court having jurisdiction over the Operator's place of residence in Japan, unless mandatory consumer protection law in your place of residence provides otherwise.
11. Contact
Questions about these Terms: makoto.develop@gmail.com