
Making Calls: 0.028/min ($USD)
Receiving Calls: 0.017/min ($USD)
Text Messages: 0.0166/segment ($USD)
0.0014/email ($USD)
0.02/execution ($USD)
0.005/emailVerification
0.27/1000 Words and 0.18/ Image ($USD)
Input: $1.2 for 750,000 words ($USD).
Output: $4.8 for 750,000 words (£USD).
0.04/Message and 0.26/ Minute voice call ($USD)
0.148/WhatsApp Usage ($USD).
0.03/review response ($USD).
10/domain ($USD)
2.97/funnelAI ($USD).
0.5/750000 Words ($USD)
Stone Signal Digital was built after working with local, appointment-based businesses and seeing the same problems again and again:
inboxes spread across too many platforms
manual follow-ups slipping through the cracks
reviews happening “when someone remembers”
So instead of piling on more tactics, we focused on one thing:
Make the system do the work.
How we work
set things up properly
keep it simple
automate the boring parts
and only add complexity when it actually pays off
You can start small, see it working, and upgrade when it makes sense - not because a salesperson says you should.

Stone Signal is for appointment-based businesses that:
So instead of piling on more tactics, we focused on one thing:
Make the system do the work.

Try the Stone Signal system free for 7 days
and see how it fits your business.


Stone Signal Digital provides marketing systems and automation tools. Results vary and depend on your market, offer and follow-up. We focus on systems — not hype.
01462 374051
Privacy Policy
© 2025 Stone Signal Digital. All rights reserved.