Zapier vs custom automation: when to switch

Keep using Zapier for simple automations that run a modest number of times a month and would not hurt much if they failed. Move to custom automation when a workflow has many steps and branches, runs thousands of times a month, touches money or customer messages, or when nobody can tell you exactly which of your fifty Zaps does what.

Review your automations with us
By Quam Balogun, FounderUpdated 25 September 2026 · 3 min read
On this page
  1. 01What Zapier is great at
  2. 02How the pricing scales
  3. 03Signs you have outgrown it
  4. 04Side by side
  5. 05The middle route
  6. 06How we move a workflow off Zapier
  7. 07Frequently asked questions
01

What Zapier is great at

Zapier connects thousands of apps without code. For a lot of businesses it is the right tool:

  • Sending form submissions to a spreadsheet or CRM.
  • Posting a notification when a deal is won.
  • Creating a task when an email arrives with a certain label.
  • Testing an idea before investing in anything bigger.

If your automations look like that, stay on Zapier. It is quick to change, and anyone on your team can learn it.

02

How the pricing scales

Zapier charges by tasks. According to Zapier's own help centre, each successful action step counts as a task, while triggers, filters and paths do not. When you reach your plan's limit, new runs are held until the next billing cycle unless you pay for extra tasks.

That makes the maths easy to do. A five-action workflow that runs 1,000 times a month uses about 5,000 tasks. Add a few more workflows like it and you are on a much larger plan. Volume is not a reason to leave on its own, but it is when combined with the signs below.

03

Signs you have outgrown it

  • Your workflows need branches, loops and lookups that are hard to follow on screen.
  • Failures are found by customers. A step errors, nobody notices, and a client never gets their welcome email.
  • Nobody owns the map. There are dozens of Zaps built by different people, and switching one off feels risky.
  • Data has to be exactly right. Payments, invoices, contracts and anything that must happen once and only once.
  • You are copying data back and forth between tools just so Zapier can move it.
  • Customer messages depend on it. Emails and texts sent in your name, where a duplicate or a missed send damages trust.
04

Side by side

ZapierCustom automation
Set-up timeHoursWeeks, set out in the written scope
Who can change itAnyone trained on ZapierA developer, or your team through settings we build in
CostMonthly plan based on tasksBuild cost, then hosting paid to providers
Complex logicPossible, gets hard to readWritten and tested like any software
Doing things exactly onceDepends on how each Zap is builtDesigned in, so retries do not duplicate work
When something failsError emails and run historyAlerts to a named person, with the failed item held for review
DataPasses through ZapierStays in your own systems
05

The middle route

You do not have to replace everything. A common setup keeps Zapier for the simple notifications and moves the two or three critical workflows, usually enquiries, bookings and payments, into custom automation with proper monitoring. That removes most of the risk and a lot of the task volume.

06

How we move a workflow off Zapier

  1. List every Zap. Note what triggers it, what it changes and who relies on it.
  2. Rank them by risk. Start with the ones that touch money, customers or legal records.
  3. Rebuild the critical ones. Add tests, retries that do not duplicate, and alerts when something fails.
  4. Run old and new side by side. Compare results before switching the Zap off.

Our workflow automation page explains the service, and our guide to what to automate first helps you decide what is worth building at all.

07

Frequently asked questions

Is Zapier bad?

No. It is very good at what it is designed for. Problems start when critical, high-volume or complex processes depend on it without anyone monitoring them.

What about Make or n8n?

They follow the same idea with different pricing and more room for complex logic. The same signs apply: when a workflow is critical, it needs testing, monitoring and a clear owner, whatever it runs on.

Will a custom build lock us to a developer?

It should not. We build in your accounts, you own the code, and we document how each workflow works when we hand it over.

How much does it cost to replace our Zaps?

Projects start at £4,500. The price depends on how many workflows move and how complex they are. Many businesses only move their two or three most important ones.

Worried about your Zaps?

Send us a list of your Zaps, or screen-share them on a call. We will tell you which ones are fine where they are and which should move.

Schedule a discovery call