Shopify bugs, diagnosed and fixed by specialists

A broken layout or checkout error costs you sales every hour it’s live. The4 diagnoses and fixes Shopify issues fast theme errors, broken layouts, app conflicts and checkout problems without guesswork.

You tell us what’s broken. We find the cause and fix it.

Best for

• Stores with a visible bug or error
• Merchants whose theme or app update broke something
• Anyone who needs it fixed properly, not patched

What’s included

• Issue diagnosis
• Theme and layout fixes
• App conflict resolution
• Cart and checkout fixes
• Mobile and responsive fixes
• Root-cause explanation
• Post-fix check

What’s not included

• New features or redesign (quoted separately)
• Paid app subscriptions
• Ongoing maintenance (see our Maintenance plan)

How it works

1. Describe the issue Tell us what’s broken.
2. Diagnose and quote We find the cause and confirm a fixed price.
3. Fix We fix it on a copy where possible.
4. Review You confirm it’s resolved.
5. Publish We push the fix live.

Turnaround: often 13 days depending on complexity.

Why The4

• Deep theme and app expertise
• We fix the cause, not just the symptom
• 4.97 support rating across 4,200+ reviews

Frequently asked questions

How much does it cost?
Bug fixing starts at $500. For one-off micro-fixes, consider our Maintenance plan.

Does it work on any theme?
Yes most Shopify OS 2.0 themes.

How fast can you fix it?
Often within days, depending on complexity.

Will you explain the fix?
Yes we explain the root cause.

What do you need from me to start?
Access to your store and a description of the issue.