I’m in the process of optimizing my Shopify store and I’m a bit confused about how far I should rely on apps versus doing custom changes. There are apps for almost everything like speed optimization, upsells, SEO, reviews but I’m worried about store bloat and long-term performance.
For those with more experience, did you find better results sticking to a lean setup with minimal apps, or using multiple apps to cover different needs? Also, at what point does custom development start making more sense than installing yet another app? I’d really like to learn from real store owners who’ve tested both approaches.
Hi @chickpeafilae ,
Most seasoned merchants opt for a lean setup. Each app adds scripts, potential conflicts and can slow down your store, so prioritize functionality essentials first. Use apps for things that are expensive or complicated to build yourself. Custom development is the right call when an app can’t fulfill your precise workflow or performance requirements. Audit app impact on speed and code, and merge or remove anything that’s duplicative. A handful of well chosen apps and a bit of bespoke code tends to strike the right balance for functionality, performance and maintainability.
Hi there @chickpeafilae when it comes to using apps on your store, I recommend that you identify what the essentials you need are, and then streamline the amount you need based on that. Figures wise I think between 5-10 apps is quite fine and would not affect your store functionality in terms of speed.
As someone already mentioned, custom development should be brought in when you can’t find an app that could do what you want to a tee, but this can also affect a store when not done correctly so it’s best handled by an expert when need be.
Great question — I’ve worked on this exact trade-off across dozens of stores, so here’s the practical breakdown:
Where apps win:
• Things that need ongoing maintenance (SEO, speed optimization, reviews) — apps get updates automatically. Custom code doesn’t maintain itself.
• Functionality that touches Shopify’s backend (subscriptions, bundles, upsells) — building this custom means dealing with API changes every time Shopify updates.
• Speed optimization specifically — deferring third-party scripts, inlining critical CSS, and preloading fonts involves touching every page load. An app that handles this automatically saves you from revisiting the code every time you add or remove another app.
Where custom code wins:
• Visual/layout changes — Custom CSS or Custom Liquid sections are lighter than installing an app just for design tweaks. Tim’s point above about theme updates is spot on.
• Simple functionality — if you just need a countdown timer or announcement bar, a few lines of Liquid + CSS beats a full app.
• One-time fixes — things like removing unused code from old apps, optimizing specific images, or restructuring your homepage layout.
The real answer: it depends on what you’re optimizing.
For speed specifically, the challenge is that every app you install adds scripts — but removing all apps isn’t realistic either. The sweet spot is keeping apps that provide ongoing value (and that are built to be lightweight) while handling visual and simple logic changes with custom code.
A good starting point: audit how many scripts are loading on your storefront. Open Chrome DevTools → Network → filter by JS. If you see 20+ scripts, that’s where the bloat lives. This guide breaks down the apps vs custom approach specifically for speed: Shopify Speed Optimization: DIY vs Hiring an Expert (2026)
Apps are always the most reliable if you pick the right ones. Custom development is only good for companies that can hire continous support or already have teams in place.
When you do that math, sit in a spreadsheet an calculate all the app costs in 3month, 6mth, 1yr, 5yr.
Adding a multiplier for the risk of not owning any of the tools your business has become dependent on.
Then compare to estimates of theme customizations or bespoke app development with a multiplier for the opportunity cost for having to manage that (negative or positive depending on how you see it or operate).
Shortlist those apps to
any that can just be replaced with theme customizations.
In the beginning, we relied heavily on apps for different features because they were quick to set up and didn’t require development work. But over time, we noticed the same issues you mentioned, like increasing page load times and overlapping functionality between apps. This is pretty common since multiple apps can add extra scripts and slow down the store if not managed properly.
What worked better for us was gradually moving towards a more balanced approach. We kept a few essential apps for complex features, but started replacing simpler things with custom tweaks. That helped us reduce clutter and improve overall performance.
We also realized that treating the store like a system helps a lot. Similar to how bookkeeping works in a business, if too many tools are handling the same process, things become hard to track and maintain. Keeping things structured and minimal made a noticeable difference for us.
In our case, shifting towards cleaner workflows and better organization helped both performance and long-term manageability.