📄 LEGAL DOCUMENT
Privacy Policy
Last updated: March 2026
Schemy is operated by K&A Software House, Bangkok, Thailand. This Privacy Policy explains what data we collect, why we collect it, and how we protect it. By using Schemy you agree to this policy.
01
Data We Collect
  • Account data — your name and email address when you register
  • Usage data — tools used, AI queries sent, session activity
  • Payment data — billing info processed securely by Stripe. We never store raw card details
  • Card token — an encrypted customer/payment token stored by Stripe for auto-renewal and subscription billing (credit/debit card subscribers only). Raw card numbers never stored on our servers
  • Message data — AI prompts you send. Not retained after response is delivered
  • Image uploads — circuit images for analysis. Not stored after your session
  • Usage analytics — which tools you use, how often you return, session frequency. Stored in our database, never sold to third parties
02
How We Use Your Data
  • To provide Schemy's AI-powered learning tools and features
  • To manage your subscription and enforce daily usage limits
  • To process payments and auto-renew subscriptions via Stripe (supporting PromptPay, Credit/Debit cards, and PayPal)
  • To send account emails — receipts, renewal notices, password resets only
  • We do not sell your data to any third party
  • We do not use your data for advertising purposes
03
Third Party Services

By using Schemy you acknowledge your data may be processed by:

ServicePurposeData Shared
Ollama (private server)AI responses (may be used in any tier)Your AI messages
Google Gemini APIAI responses (may be used in any tier)Your AI messages
DeepSeek APIAI responses (may be used in any tier)Your AI messages
StripePayment processing (PromptPay, Credit/Debit cards, PayPal) & subscriptionsPayment details, encrypted customer/card tokens
04
Data Storage and Security

We use bcrypt password hashing, JWT authentication with expiry, and HTTPS on all endpoints. Raw card data never touches Schemy's servers — handled entirely by Stripe. Payment records kept 7 years as required by Thai tax law.

05
Your Rights Under PDPA
  • Access your personal data held by Schemy
  • Request correction of inaccurate data
  • Request deletion of your data
  • Withdraw your consent at any time
  • Cancel auto-renewal at any time from account settings
  • Lodge a complaint with Thailand's PDPC

Contact: [email protected] — we respond within 7 days.

06
Cookies

Schemy uses browser localStorage to store your authentication token only. We do not use tracking or advertising cookies.

07
Contact

K&A Software House
Bangkok, Thailand
Email: [email protected]
Website: schemy.net

📄 LEGAL DOCUMENT
Terms of Service
Last updated: March 2026
By creating an account or using Schemy you agree to these Terms of Service. Please read Section 03 carefully regarding auto-renewal for credit/debit card payments.
01
Description of Service

Schemy is an AI-powered electronics learning platform. Educational tool only — not professional engineering advice.

02
Accounts
  • You must provide accurate information when registering
  • You are responsible for keeping your password secure
  • One account per person — account sharing is not permitted
  • You must be at least 13 years old to use Schemy
  • We reserve the right to suspend accounts that violate these terms
03
Subscriptions and Payments
TierPriceAI QueriesImage UploadsAI Provider
Free0 THB ($0 USD)10/dayNoneOllama, Gemini, or DeepSeek
Pro99 THB (≈ $2.99 USD)/month100/day20/weekOllama, Gemini, or DeepSeek
Ultra299 THB (≈ $8.99 USD)/month1,000/day500/monthOllama, Gemini, or DeepSeek
Credit / Debit Card
AUTO-RENEWS
Automatically renews every 30 days via Stripe. Your card is charged on the same date each month until you cancel.
PromptPay
MANUAL RENEWAL
Scan PromptPay QR code via Stripe. Does not auto-renew. You must pay manually every 30 days. Account returns to Free tier if not renewed.
PayPal
AUTO-RENEWS / MANUAL
Pay securely using your PayPal account balance or linked payment methods via Stripe integration.
⚠ Auto-Renewal Notice: Credit and debit card subscribers will be charged automatically every 30 days via Stripe. You will receive an email reminder 3 days before each renewal. Cancel anytime from Account Settings → Subscription → Cancel Auto-Renewal.
  • Upgrades take effect immediately with proration — you pay the difference for remaining days
  • Downgrades take effect at the end of the current billing period
  • No refunds for unused days. Contact [email protected] within 7 days for technical issues
04
Cancelling Auto-Renewal

Go to Account Settings → Subscription → Cancel Auto-Renewal. Cancellation must be done at least 24 hours before the renewal date. You retain access until the end of the current billing period.

05
Acceptable Use
  • Do not share your account credentials with others
  • Do not attempt to bypass subscription tier limits
  • Do not use automated scripts to abuse the AI query system
  • Do not use Schemy to generate harmful or illegal content
  • Do not reverse engineer, copy, or redistribute Schemy's tools or UI
06
AI-Generated Content
  • AI responses may contain errors — verify critical information independently
  • Generated code should be reviewed before deployment
  • Exam questions are for practice only
  • We are not liable for decisions made based on AI output
07
Intellectual Property

Schemy's tools, UI, templates, and branding are owned by K&A Software House. Content you create using Schemy belongs to you.

08
Limitation of Liability

To the maximum extent permitted by Thai law, K&A Software House shall not be liable for indirect or consequential damages. Total liability shall not exceed the amount paid in the 30 days prior to the claim.

09
Governing Law

These terms are governed by the laws of the Kingdom of Thailand. Disputes shall be resolved in the courts of Bangkok, Thailand.

10
Contact

K&A Software House
Bangkok, Thailand
Email: [email protected]
Website: schemy.net

📄 LEGAL DOCUMENT
Data Handling
Last updated: March 2026
This document describes how Schemy collects, stores, processes, and protects user data.
01
Data We Collect and Why
Data TypeWhatWhyRetention
AccountName, email, hashed passwordAuthenticationUntil deleted
SubscriptionTier, expiry date, Stripe customer IDAccess controlUntil deleted
Card tokenEncrypted customer/payment token (stored by Stripe)Subscription billing & auto-renewalUntil cancelled
UsageQuery count, upload count, last active, tools usedTier enforcement & analyticsReset daily / logs 90d
MessagesAI prompts sent by userGenerate AI responseNot stored after use
ImagesUploaded circuit imagesAI analysisNot stored after session
AnalyticsTools used, session count, return frequencyProduct improvementWhile account is active
PaymentStripe transaction ID, amountBilling records7 years (Thai law)
02
Auto-Renewal Data Flow

For credit/debit card and recurring subscribers, Stripe stores encrypted customer and payment tokens on their secure PCI-DSS Level 1 compliant servers. Schemy stores only the Stripe customer ID and subscription ID — never raw card numbers or CVV. PromptPay payments processed via Stripe do not store credit card data.

03
AI Data Flow
AI ProviderInfrastructureData DestinationExternal?
OllamaK&A private serverStays on K&A infrastructureNo
Google GeminiGoogle's cloudGoogle's serversYes — Google API
DeepSeekDeepSeek cloudDeepSeek serversYes — DeepSeek API
04
Security Measures
  • Passwords hashed with bcrypt (minimum cost factor 12)
  • JWT authentication tokens expire after 7 days
  • HTTPS enforced on all endpoints
  • API keys stored as environment variables, never in source code
  • Raw card data never touches Schemy servers — handled entirely by Stripe
  • Database access restricted to backend server only
  • No sensitive data logged in application logs
05
User Data Requests
Request TypeHow to RequestResponse Time
Data ExportEmail [email protected]Within 7 days
Data DeletionEmail or account settingsWithin 30 days
Data CorrectionAccount settings or emailWithin 7 days
Cancel Auto-RenewalAccount Settings → Subscription → CancelImmediate
Consent WithdrawalEmail [email protected]Within 7 days
06
Data Breach Response
  • Identify and contain the breach within 24 hours of discovery
  • Notify affected users via email within 72 hours
  • Report to Thailand's PDPC if required under PDPA
  • Document the incident and implement preventive measures
07
Third Party Processors
ProcessorPurposePrivacy Policy
Ollama (K&A server)AI responses (all tiers)Private infrastructure
Google Gemini APIAI responses (all tiers)google.com/privacy
DeepSeek APIAI responses (all tiers)deepseek.com/privacy
StripePayment processing (PromptPay, Credit/Debit cards, PayPal) & subscriptionsstripe.com/privacy
08
Contact

K&A Software House
Bangkok, Thailand
Email: [email protected]
Website: schemy.net