LangLangLab Refund Policy

Last updated:June 11, 2026

Thank you for choosing our products/services. We provide secure payment services through Paddle and are committed to delivering a good purchasing experience for our customers. The following is our refund policy:

1. Consumer Cancellation Rights

If you are a consumer, you have the right to cancel this agreement and return the product within 14 days without giving any reason. The cancellation period expires 14 days after the day the transaction is completed. To meet the cancellation deadline, you only need to send Paddle a notice regarding the exercise of your cancellation right before the 14-day period expires.

2. Refund Decisions

Whether a refund is granted will be determined solely by Paddle, our merchant of record. If you believe you have a valid reason for a refund, please visit paddle.net  to submit an application. Depending on the circumstances, refund requests may be refused. If Paddle finds evidence of fraud, refund abuse, or other manipulation that entitles Paddle to counter-claim the refund, Paddle will decline the refund request.

You can also learn more about Paddle's refund and dispute policies in Paddle's Checkout Buyer Terms and Conditions.

3. Refund Application Process

If you meet the refund conditions above, please submit your application within 14 days  of the purchase date and provide the following information:

• The email address used for the purchase
• The order number (provided by Paddle)
• The reason for the refund and relevant screenshots (if applicable)

Our order and payment process is handled by the online reseller Paddle. Paddle is the Merchant of Record for all our orders. Paddle is also responsible for all customer service-related matters and returns. If you encounter any issues during the payment process, please visit paddle.net.

4. Paddle as Merchant

Our payment and order processing is handled by the third-party partner Paddle.com . Paddle is the authorized merchant of the Company, and all transaction records and refund processes are handled by Paddle in compliance with its policies. In the event of a dispute or additional refund request, Paddle may also assist in reviewing the matter as a neutral party. For detailed consumer rights and service policies, please see Paddle's Checkout Buyer Terms and Conditions.

5. AI Credits Refund Rules

The Service provides an AI review assistant feature, the use of which consumes AI Credits. Refunds for Credits follow these rules:

• Within the cooling-off period (within 14 days of purchase) and Credits completely unused:You may apply for a full refund. Please contact Paddle to initiate the refund (see Section 2 above). Once Paddle approves it, we will refund the full amount you paid.
• Within the cooling-off period (within 14 days of purchase) but Credits partially used:You may still apply for a refund, but the refund amount will be calculated based on the proportion of remaining unused Credits.
  Example: If you purchase 100 Credits (for 100 CNY), use 30 Credits, and then apply for a refund, the 70 CNY corresponding to the remaining 70 Credits will be refunded.
• Beyond the cooling-off period (after 14 days from purchase):Purchased Credit packs are no longer eligible for refunds. However, you may continue to use your remaining Credits; the Credits will not expire.
• Granted Credits:Granted Credits obtained for free through membership benefits, promotions, or other means have no cash valueand are not eligible for refund or conversion to cash.
• How to apply:To apply for a refund of unused Credits, please contact customer service at support@langlanglab.com, providing your account information and order details. We will assist in processing your request within 5 business days.

6. Disputes and Chargebacks

If you have any questions about a charge, please contact us first or apply for a refund through Paddle. Initiating a chargeback directly with your bank without prior communication may result in:

• Immediate suspension of your account
• All future refund requests being declined

7. Credits Validity and Account Termination

• Credits validity: Purchased AI Credits are permanently valid and will not expire.
• Account cancellation/suspension:If you voluntarily cancel your account or are suspended for violating the Terms of Service, the granted Credits in your account will be immediately invalidated, and you will need to contact customer service to manually process any purchased Credits.

If you have any questions about these terms, please contact us via the following:

• Email:support@langlanglab.com
• Website:https://www.langlanglab.com
• Company: Huranzhijian Network Studio, Longgang District, Shenzhen