Subscription Index

Subscription Index is a weekly newsletter for founders who want to turn subscription growth into a repeatable system. It focuses on the levers that directly impact recurring revenue, including pricing, conversion, retention, and expansion. Each issue breaks down real strategies used by subscription companies to improve performance. Readers get practical insights they can apply immediately to strengthen their growth engines. Created by Dan Layfield, who scaled Codecademy from $10M to $55M ARR, the newsletter shares lessons from real-world experience.

Subscription Index logo

Monthly Email With New LLMs

Sign up for our monthly emails and stay updated with the latest additions to the Large Language Models directory. No spam, just fresh updates. 

Discover new LLMs in the most comprehensive list available.

Error. Your form has not been submittedEmoji
This is what the server says:
There must be an @ at the beginning.
I will retry
Reply

Please contact @johnrushx

Include this into your message:
- gpt url
- the boost type you wanna do and its price
- when you want it

https://twitter.com/johnrushx 

Error. Your form has not been submittedEmoji
This is what the server says:
There must be an @ at the beginning.
I will retry
Reply

Thanks

Our team will contact you soon!

Thanks

Thank you!

Approximately, we add new tools within three months.

We will publish it with a no-follow link.

However, you can publish your tool immediately and get a forever do-follow link.

Get it now for $49. 

Done!

Thank you for joining us. See you later!

Built on Unicorn Platform