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Cancel your Helium 10 Inc subscription by mail

Helium 10 Inc deals with cancellations through the post, so the request goes in a letter and the certified-mail receipt is your proof of when. Helium 10 Inc receives written requests in Costa Mesa, United States.

Let Postbye cancel Helium 10 Inc for you

We write your letter, mail it by certified mail the next business day, and confirm when the cancellation went through. You keep the signed proof.

Money-back guarantee within 10 business days.

Postbye is not affiliated with Helium 10 Inc.

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  • 2 Helium 10 Inc cancellations handled this month
  • Certified mail with tracking
  • Mailed every business day
  • Delivery proof sent to you
  • We confirm your cancellation

How to cancel Helium 10 Inc by mail

  1. Gather your account details

    Before writing, collect the account email, the plan or product name and the invoice or order number from your latest receipt. Helium 10 Inc can only act on a request it can match to an account.

  2. Set out the request

    State plainly that you want the Helium 10 Inc account cancelled, further charges stopped and a written confirmation sent to you. Postbye sets this out in a ready English template (“Subject: Subscription termination – Helium 10 Inc”).

  3. Mail it with tracking

    Send it certified to Costa Mesa, United States, copying the address from the next section letter for letter, and keep the receipt slip.

  4. Keep proof the letter arrived

    The receipt dates your request. Look at your next statement for any Helium 10 Inc charge after that date.

With Postbye, steps 2 to 4 take about two minutes of your time.

Where your Helium 10 Inc cancellation letter goes

Helium 10 Inc950 South Coast DriveSuite 245Costa Mesa, CA 92626

Helium 10 Inc takes its post at 950 South Coast Drive, Suite 245, Costa Mesa, CA 92626, which is where a cancellation letter belongs.

ZIP code 92626 is in California, so the letter stays inside the United States postal system.

The database also lists Technology Drive 500, Suite 450, Irvine 92618 for Helium 10 Inc. Use the first address above unless your agreement names this one.

Your details go in a block headed by Name, Address and E-mail, and the opening line is “To Whom It May Concern,”.

Prefer to write it yourself? Use our letter template

Every address we hold for Helium 10 Inc, with the envelope wording

Before you cancel Helium 10 Inc, check these

  • Apps billed by an app store are cancelled in that store. Check which party appears on your statement.
  • Team and business plans are billed per seat. Name the plan and the number of seats in the request.
  • Export or download your data first. Access often ends on the cancellation date.

Several states set rules for subscriptions that renew on their own. See what yours requires in automatic renewal laws by state.

Let Postbye cancel Helium 10 Inc for you

We write your letter, mail it by certified mail the next business day, and confirm when the cancellation went through. You keep the signed proof.

Cancel Helium 10 Inc

Cancelling a software or app subscription

Software plans are billed per plan or per seat, often yearly, and the app store version is billed by the store rather than the developer, so the request has to name the plan and who bills it.

If a charge shows up after you cancelled, the letter and its receipt are what you put in front of the company or your bank.

Helium 10 Inc cancellation at a glance

How Helium 10 Inc accepts cancellations
By mailed letter
Mailing address on file
Helium 10 Inc 950 South Coast Drive Suite 245 Costa Mesa, CA 92626
Second address on file
Helium 10 Inc Technology Drive 500 Suite 450 Irvine 92618
Country
United States
Letter language
English (template en)
Category (from the company name)
Software & apps
Added to the database
April 30, 2026
Data last checked

Helium 10 Inc cancellation questions

Where do I send my Helium 10 Inc cancellation letter?

Address the letter to Helium 10 Inc, 950 South Coast Drive, Suite 245, Costa Mesa, CA 92626. The database also lists a second address, in Irvine, United States; the letter goes to the one above.

How long does a cancellation letter to Helium 10 Inc take?

Helium 10 Inc's address is in California. USPS states that First-Class Mail is delivered in 1 to 5 days. The delivery receipt records the day your letter actually arrived, and that is the date to quote. USPS: First-Class Mail

What should I check before I cancel Helium 10 Inc?

For a software or app subscription: team and business plans are billed per seat. Name the plan and the number of seats in the request.

What do I need to cancel Helium 10 Inc?

Have the account email, the plan or product name and the invoice or order number from your latest receipt to hand. The details in the letter need to match what Helium 10 Inc has on file.

Will Helium 10 Inc confirm my cancellation?

The letter asks Helium 10 Inc to end the account, stop further charges and confirm in writing, but a reply is not guaranteed. What you can rely on is the delivery receipt: it shows the date Helium 10 Inc received the request. If a charge posts after that date, quote the receipt with your copy of the letter.