607: Will Vibe Coding Replace Shopify Apps? A Discussion With Toni Herrbach

Podcast: Download (Duration: 45:02 — 51.8MB)

Vibe coding is the practice of building working software by describing what you want to an AI in plain English, and it is already replacing a large class of Shopify and WordPress apps that used to charge $30 to $500 a month. On this episode of the My Wife Quit Her Job podcast, my co-host Toni Herrbach and I walked through the apps we have already replaced with weekend vibe-coded builds, the tools that make it possible for non-coders, and the exact tradeoffs to weigh before you cancel your first subscription.

The short version is that any simple, single-purpose Shopify or WordPress app is now at risk. A quiz plugin that used to cost $50 a month took Toni’s team a weekend in Claude, and a warehouse box-tracking system that would have run hundreds of dollars a month took me four hours in Replit.

The bigger the app does, the safer its business model is for now, but the floor is rising fast.

Below is what vibe coding actually means, which app categories are already dead, the tool stack we recommend for different skill levels, and the security and maintenance risks nobody talks about.

Key takeaways

• Vibe coding means describing what you want in natural language to an AI like Claude, ChatGPT, Lovable, or Replit and letting it produce working code. You do not need to know how to program to get a functional app out of it.
• Simple single-purpose apps (quizzes, loyalty programs, on-site search, box tracking, dashboards) are the first casualties. If an app costs $9 to $50 a month and does one thing, you can probably replace it in a weekend.
• The winning workflow is to scaffold the app into small functions yourself, then have AI fill in each function. Telling AI “build me an app that does X” usually fails; giving it 20 small, well-defined jobs works.
• Best tool by skill level: Lovable for pure beginners building a simple web app, Replit for anything that needs a database and deployment (great for non-coders shipping a full app), Claude Code or ChatGPT for people who already know a little code.
• The real tradeoff is not price, it is maintenance. Every time you extend a vibe-coded app it can break what already worked. Anything mission-critical to your revenue still deserves a real developer or a real SaaS.
• Security is the sleeper risk. Recent prompt-injection attacks against AI email integrations show that connecting your AI tools to sensitive systems like Gmail or your store admin can leak data.

What is vibe coding and how does it work?

Vibe coding is the practice of building software by telling an AI in plain English what you want the software to do, then iterating with the AI until it works. The term became popular in early 2025 after AI researcher Andrej Karpathy tweeted about it, and it now describes a workflow that non-programmers can use to ship real, functioning apps.

The mechanics are straightforward. You open a tool like Claude, ChatGPT, Lovable, or Replit and type a description of what you want, for example “build me a quiz that asks 10 questions and sends the score to my ConvertKit list.” The AI writes the code, shows you the result, and you keep asking for changes until it works the way you want.

The reason this matters for ecommerce is that a huge slice of the Shopify and WordPress app ecosystem is made up of small, single-purpose tools that charge a monthly fee for functionality a modern AI can now generate in an afternoon. The gap between “I want a feature” and “I have the feature live on my store” has collapsed.

Which Shopify and WordPress apps can vibe coding actually replace?

The apps most exposed to vibe coding are the small, single-purpose plugins that charge $9 to $50 a month and do one specific thing. On the episode, Toni and I ran through five real examples where we (or someone in our courses) replaced a paid app with a vibe-coded build, and each one paid for itself within the first month.

Quiz apps and lead-capture funnels

Toni’s team built a full quiz on a WordPress site over one weekend in Claude, wired directly into ConvertKit. Paid quiz plugins like Interact or Riddle run $17 to $175 a month depending on volume. The build took roughly two focused work sessions: one to decide the quiz logic and the copy, one to have Claude generate and refine the code.

Loyalty programs and rewards apps

Back when I first added a loyalty program to Bumblebee Linens, the provider I was quoting wanted around $500 a month at my sales volume. Loyalty apps like Smile.io and LoyaltyLion are still priced in the $200 to $800 a month range at scale. A basic points-per-dollar program that syncs to Shopify customer tags is well within what a vibe-coded build can handle in a weekend.

On-site AI search

I built my own on-site AI search for the Bumblebee Linens store before I realized there were apps selling the same thing for around $50 a month. It went live fast and cost nothing beyond the AI API calls, which are pennies per search.

Warehouse and box tracking

The one I am most proud of. I vibe coded a QR-code warehouse box tracker in about four hours.

When a box arrives you print a QR sticker and scan it in. When someone pulls from that box they scan it. When the box is empty they scan it one more time and toss it.

Purpose-built warehouse inventory apps with scanners cost hundreds of dollars a month.

Productivity and fulfillment dashboards

I also built a fulfillment productivity dashboard that tracks embroidery output, print orders, and packages out the door, by employee and by day. Before this we had no visibility into daily output.

Within days of turning it on, one week of consistently low numbers by a specific employee corrected itself the moment we mentioned we were tracking. Purpose-built ecommerce ops dashboards run $99 to $300 a month.

Vibe coding tools compared: Lovable vs Replit vs Claude Code vs ChatGPT

The right vibe coding tool depends entirely on what you are building and how much programming background you already have. Here is how the four tools I actually use stack up for ecommerce work.

My personal read: if you have zero coding background and you want a real app with a database (like Toni’s son wanting to build a card-game leaderboard for his friends), Replit is the easiest full-stack path. If you want to make a quiz or a landing-page tool, Lovable will get you there fastest. If you know a little code already and you care about clean output, Claude is the strongest writer and Claude Code is a serious coding environment.

The scaffolding workflow that makes vibe coding actually work

The single biggest mistake people make with vibe coding is telling the AI “build me an app that does X” in one prompt. Give a human master coder that same prompt and they would not be able to build it either. They would ask you 30 clarifying questions first.

The workflow that works is scaffolding. Break the app down into small, well-defined functions yourself before you write any code. For a quiz app, that is functions like “render one question,” “store the answer,” “calculate the final score,” “post the email to ConvertKit,” “show the results page.” Then have AI fill in each function one at a time.

Two things happen when you scaffold. First, the AI stays on the rails, because a small function has a small scope and the AI cannot wander off into building things you did not ask for. Second, when the AI gets a function wrong (and it will), the damage is contained to one file, not the whole app.

Where vibe coding still breaks in 2026

Vibe coding today is still bounded by three real limits that anyone considering replacing a paid app needs to weigh honestly. Getting the first version working is easy. Everything after that is where the wheels come off.

Extending an app often breaks what already works

Once a vibe-coded app is working to first order, any request to add or change a feature can break something that used to work. This is the single most common complaint about vibe coding on TikTok and in developer communities right now. The more you extend a codebase without understanding it, the more fragile it gets.

Complex apps are still beyond it

You cannot vibe code something on the scale of Shopify itself, or a real ERP, or a checkout flow that has to handle 50 edge cases and PCI compliance. The rough rule I use is that if the app has more than about 20 distinct screens or workflows, you are past the reliable zone for a solo non-coder.

You still have to check the output

Google’s new Nano Banana image editor (technical name Flash Image Generation Experimental 2.5) can take any product photo and edit it in seconds, but Toni caught it generating a man with a tail on the first pass. Code has the same failure mode. AI will produce something that looks right and quietly does the wrong thing, and if you are not technical enough to spot it, it can ship broken to your customers.

The security risk nobody is talking about with vibe coded apps

Prompt injection is a fast-growing attack surface, and it matters more the deeper you wire AI tools into your business. The pattern to know: an attacker sends you an email (or an image, or a document) that contains a hidden instruction. When your AI-integrated inbox reads it, the AI treats the hidden text as a command from you and executes it, which can leak sensitive data out of your account.

Security researchers documented multiple prompt-injection vulnerabilities in AI email integrations across 2025, including a widely-reported ShadowLeak attack against ChatGPT’s connectors that could exfiltrate Gmail data through a hidden prompt in an email. The specific bugs get patched, but the class of attack is here to stay.

The practical takeaway for ecommerce sellers is to be deliberate about what you connect. Standalone vibe-coded apps that live on your own server and only talk to your store API are fine. Wiring an AI agent into your admin email, your Shopify admin, and your bank account at the same time is not.

Should ecommerce sellers actually vibe code their own apps?

The honest answer is that it depends on where you are in your business. Solo sellers and small teams already spending 60 to 70 hours a week on the business often do not have the weekend to spend coding, and a $30 a month app is real value for the time it saves. Sellers with a little more breathing room and any tolerance for tinkering can absolutely start replacing apps today.

There is also a middle path that Toni and I both recommend: use vibe coding to build the small, one-off internal tools you have been putting off because they were never worth hiring a developer for. Examples include a packing-station photo tracker, a dashboard for who packed which order, or a quick QR system for inventory.

These are the projects with the highest return, because there is no SaaS to replace and no learning-curve tax.

How to get started with vibe coding this weekend

Start with something small, real, and non-critical. Do not try to replace your loyalty program on day one. Pick a project where the worst-case failure is “the tool does not work and I go back to what I was doing before,” and use that project to learn the tool.

Step 1: Pick one tool and one project

If you have never coded, sign up for a free Lovable account and pick a project like a personal quiz, a simple calculator, or a habit tracker. If you want a full app with a database and a login, start with Replit’s Agent. If you already know a little code, jump straight into Claude or ChatGPT and use whichever you already pay for.

Step 2: Write a one-page spec before you prompt

Before you type a single word into the AI, write a short document that describes exactly what the app should do, from the point of view of a user. What screens does it have, what data does it store, what happens when the user clicks each button.

This is the single biggest lever on quality.

Step 3: Ask the AI to list the components

Paste your spec into the AI and ask it to list the components the app will need before it writes any code. This is the scaffolding step.

Ask it what pieces you are missing, and have it educate you on the technologies it plans to use.

Step 4: Build one function at a time

Have the AI implement one small function at a time and test each one before moving on. When something breaks, paste the error message back and ask what went wrong. Being polite helps more than you would expect, and if the AI keeps making the same mistake, tell it what you actually want to see.

Step 5: Ship it internally before you ship it publicly

Run the app yourself for at least a week before you put it in front of customers. Vibe-coded apps often fail in edge cases the AI did not anticipate, and finding those failures on your own time is much cheaper than finding them on Black Friday.

Frequently asked questions

What is vibe coding in simple terms?

Vibe coding is building software by describing what you want in plain English to an AI, which then writes the code for you. You iterate with the AI until the app works the way you want, without needing to know a programming language yourself.

Can vibe coding really replace Shopify apps?

Yes, for a growing class of simple single-purpose Shopify apps. Quizzes, on-site search, loyalty programs, custom dashboards, and internal tracking tools are all replaceable with weekend vibe-coded builds today. Complex apps with heavy integrations, payment flows, or large user bases are still safer as paid SaaS.

What is the best vibe coding tool for a total beginner?

Lovable is the easiest starting point for simple web apps and works with a free account. If your app needs a database and a live URL, Replit’s Agent handles the deployment for you. Both are usable with zero prior coding experience.

How much does vibe coding cost?

Most vibe coding tools have a free tier and paid plans starting around $20 to $25 per month. Claude Pro, ChatGPT Plus, Lovable’s paid plan, and Replit’s paid plan all cluster in that range. Compared to a single Shopify app subscription, one AI plan pays for itself if it replaces even one $30 a month plugin.

Is vibe coded software safe to use in a real store?

It can be, but you have to test it thoroughly and keep it away from anything critical until you trust it. Run the app internally for at least a week, do not wire it into sensitive systems like payment processing without an experienced review, and be aware of prompt-injection risks if the app connects to email or an AI agent with account access.

Will vibe coding put Shopify app developers out of business?

The simplest apps are already under real pressure and some will not survive. Complex apps with strong network effects, deep integrations, or ongoing service components (like Klaviyo or Gorgias) are much safer because the value is in more than just the code. The middle of the market, apps that charge $30 to $100 a month for a single feature, is where the biggest disruption is happening.

What is the biggest mistake people make when they start vibe coding?

Prompting the AI with one giant request like “build me an app that does X.” Break the app into small, well-defined functions and have the AI build one at a time. The clearer and smaller the request, the better the output.