The must-have Shopify apps split into five types: a profit tracker (TrueProfit, BeProfit, Triple Whale), an email and SMS app (Klaviyo, Omnisend), a reviews app (Judge.me, Loox), an upsell and cross-sell app (Bold, Vitals), and a workflow automation app (Shopify Flow). Get one strong app in each category and skip the rest. That stack covers profit, retention, trust, average order value, and time. It is the difference between a store that looks busy and one that actually scales. Here is what each type does, the best picks, and what to ignore, from V8 Media, the team behind R2+ billion in client sales.
Most Shopify stores install the wrong apps
Here is the trap. You open the Shopify App Store. There are more than 18,000 apps staring back at you.
So you install 30 of them. A spinning wheel pop-up. A countdown timer. A "someone in Cape Town just bought this" badge.
Your site slows to a crawl. Your monthly app bill creeps past R4,000. And not one of those apps moved your profit.
That is the mistake we see in audit after audit. Stores treat apps like decorations instead of tools. The brands doing real numbers do the opposite. They run a lean stack of apps that each earn their keep.
You do not need 30 apps to scale. You need five types, done right. Let me walk you through them.
1. A profit tracker, so you actually know your numbers
This is app number one. Not negotiable.
Most store owners stare at revenue and feel rich. Then VAT, the cost of goods, courier fees, transaction fees, and ad spend all take their cut, and the bank account tells a different story.
Revenue is vanity. Profit is sanity.
A profit tracker like TrueProfit, BeProfit, or Triple Whale pulls in your real costs and shows you true profit in real time. It plugs into Shopify, syncs your Meta and Google ad spend, and subtracts every cost so you see what you actually keep per order.
Why it matters: you cannot scale a store you do not understand. If you do not know which products and which campaigns make money, you are guessing. And guessing is expensive.
This is the same lens we put on every client account. Most agencies brag about a big ROAS, but we scale on POAS, profit on ad spend, because that is the number that pays your salary.
Pick one profit app. Connect your ad accounts. Check it every morning like you check your phone. It changes how you run the whole business.
2. Email and SMS, the channel you actually own
Paid ads rent you attention. Email and SMS let you own it.
Every rand you spend on Meta or Google buys one visit. Capture that visitor's email, and you can sell to them again for next to nothing. That is why this is the highest-margin channel in eCommerce.
Klaviyo is the king here. It is built for Shopify, it knows your customer data cold, and it runs the automations that print money while you sleep. Omnisend is a strong, cheaper alternative that bundles email, SMS, and push.
Klaviyo's data puts email and SMS at 25 to 50% of revenue for stores that do it right. A third of your sales, from a channel you own outright. That is not a nice-to-have.
The flows that matter most:
- Abandoned cart: shoppers add to cart, then vanish. The Baymard Institute pegs average cart abandonment at around 70%. A simple recovery flow wins a chunk of that back. We break this down in our guide to abandoned cart automations.
- Welcome series: a new subscriber is at their hottest. Greet them, tell your story, make an offer.
- Post-purchase: the second sale is cheaper than the first. Thank them, then bring them back.
If you are not building a list yet, start today. Here is how to build and grow an eCommerce email list from scratch.

3. Reviews, because strangers trust strangers
Nobody buys from a store with zero reviews. Would you?
Online, social proof is the closest thing to a salesperson. A real photo from a real customer does more selling than any clever headline you write.
Judge.me has more reviews than any app on the store. The free plan gives you photo reviews, auto-request emails, and star ratings in Google search results. You do not need to upgrade on day one. Loox is the better pick if you want a beautiful, visual-first gallery of photo and video reviews.
What a good review app should do:
- Automatically email or SMS customers a few days after delivery to ask for a review.
- Collect photo and video reviews, not just text. Visuals convert harder.
- Show star ratings in Google via rich snippets, which lifts your click-through rate for free.
- Let you reply to reviews, so you show buyers you actually care.
One warning. Pick a reputable app from day one. Switch to some obscure one later and you will battle to export your reviews. Those reviews are an asset. Do not trap them in an app nobody supports.
4. Upsell and cross-sell, to lift average order value
You worked hard to get a buyer to checkout. Now get them to spend more.
Average order value, or AOV, is one of the cheapest levers in your whole store. Lift it and your profit per customer climbs without spending a cent more on ads.
Apps like Bold Upsell, Vitals, or Wiser add "frequently bought together" offers, post-purchase upsells, and product bundles. The shopper is already in buying mode, so a relevant add-on is an easy yes.
The numbers back it. HubSpot research shows upselling and cross-selling can lift revenue by as much as 30%.
Think about that on a Rand basis. If your average order is R800 and an upsell app lifts it to R950, that is R150 extra on every single order. On 1,000 orders a month, that is R150,000 you were leaving on the table.
A few proven plays:
| Play | What it does | Best for |
|---|---|---|
| Frequently bought together | Bundles related items on the product page | Stores with complementary products |
| Post-purchase upsell | Offers an add-on after checkout, no risk to the sale | Every store |
| Free shipping bar | "Spend R150 more for free shipping" nudges bigger carts | Stores with a shipping threshold |
| Volume discount | Buy 2 get 10% off, buy 3 get 20% | Consumables and refills |
Free shipping deserves a special mention. The Baymard Institute found unexpected extra costs, shipping chief among them, are the number one reason shoppers abandon carts. So a progress bar that nudges them toward free shipping is one of the easiest AOV wins there is.

5. Workflow automation, your 24/7 staff member
Running a store is death by a thousand tiny tasks. Tagging orders. Flagging dodgy payments. Pausing ads on sold-out products.
Do them by hand and you drown. Automate them and you free up your day for the work that actually grows the business.
Shopify Flow is the obvious starting point, and it is free on most plans. It lets you build "if this, then that" rules across your store.
Real automations that save real time:
- Low-stock alerts: get notified before you sell out, and auto-pause ads for products that are gone, so you stop paying for clicks you cannot fulfil.
- Order tagging: flag high-value orders or first-time buyers so your team handles them right.
- Fraud flags: route risky orders to manual review and dodge chargebacks.
- Review requests: trigger the ask automatically a set number of days after delivery.
One client of ours kept selling products that were out of stock, which torched customer trust. We set up an automation to pause those ads the moment stock hit zero. Problem gone.
That is a full-time staff member. Works 24 hours. No leave. No typos. Free.
The 5 must-have Shopify apps at a glance
| App type | The job it does | Strong picks |
|---|---|---|
| Profit tracker | Shows true profit after every cost | TrueProfit, BeProfit, Triple Whale |
| Email and SMS | Sells to customers you already own | Klaviyo, Omnisend |
| Reviews | Builds trust and lifts conversion | Judge.me, Loox |
| Upsell and cross-sell | Raises average order value | Bold Upsell, Vitals, Wiser |
| Workflow automation | Kills repetitive admin | Shopify Flow |
The bonus play: get creative with discounts
Shopify's built-in discounts are basic. Fine for a flat 10% off, useless for anything clever.
A dedicated discounting app lets you run the offers that actually move stock: BOGO deals, tiered discounts, flash sales with a real countdown, and bundle pricing. You can schedule a weekend sale to switch on and off by itself, so you are not editing prices at midnight.
Just do not let discounts eat your margin. Run them through your profit tracker first. A sale that loses money is not a sale, it is a donation.
How to choose, and when to stop installing
More apps is a trap. Every one you add slows the site. Slow sites lose sales. That is not a maybe.
So before you install anything, run it through four quick checks:
- Does it make or save money? If it does not lift profit, conversion, AOV, or hours back in your week, skip it.
- Will it slow the site? Read the reviews for speed complaints. An app that adds a second to load time can cost you conversions.
- Does it play nice? Check it works with your theme and your other apps before you commit.
- Is the support real? When an app breaks at month-end, you want a human who answers.
Use the free trials. Test before you commit. And kill any app that is not earning its monthly fee.
One more thing. Apps grow your store. They do not grow your traffic. To actually scale, you still need profitable Meta Ads and Google Ads driving the right people to a store that now converts like a machine.

The order to install them in
On a tight budget, do not buy all five at once. Stack them in this order so each one pays for the next.
- Profit tracker first. You need to see the truth before you change anything.
- Email and SMS second. This recovers revenue fast and pays for the rest.
- Reviews third. More trust means more conversions from the traffic you already have.
- Upsell fourth. Now lift the value of every order coming through.
- Automation last. Once volume grows, buy your time back.
Five apps. Five jobs. That is a stack that scales. Everything else is noise.
Frequently asked questions
What are the must-have apps for a Shopify store?
The five must-have Shopify app types are a profit tracker (TrueProfit, BeProfit), an email and SMS app (Klaviyo, Omnisend), a reviews app (Judge.me, Loox), an upsell and cross-sell app (Bold, Vitals), and a workflow automation app (Shopify Flow). One strong app in each category beats 30 random ones.
How many apps should a Shopify store have?
As few as do the job well. Most stores only need one app per core function: profit, email, reviews, upsell, and automation. Too many apps slow your site and lose sales, so install only what lifts profit, conversion, or AOV, and remove the rest.
What is the best Shopify app for tracking profit?
TrueProfit, BeProfit, and Triple Whale are the popular picks. They plug into Shopify, sync your Meta and Google ad spend, and subtract every cost so you see true profit per order in real time, instead of guessing from a revenue number.
Do free Shopify apps work, or do I need paid ones?
Plenty of strong apps have free plans. Judge.me's free plan covers photo reviews and rich snippets, and Shopify Flow is free on most plans. Start free, prove the app earns its keep, then upgrade only when the paid features clearly pay for themselves.
Will too many apps slow down my Shopify store?
Yes. Many apps inject code that adds to your page load time, and a slower store converts worse. Audit your apps regularly, remove any you do not use, and favour all-in-one apps like Vitals over a dozen single-purpose ones.
Which Shopify app increases average order value?
Upsell and cross-sell apps like Bold Upsell, Vitals, and Wiser raise AOV with frequently-bought-together offers, post-purchase upsells, bundles, and free-shipping progress bars. HubSpot found upselling and cross-selling can lift revenue by up to 30%.
What is the best email marketing app for Shopify?
Klaviyo wins because it knows your customer data better than any other tool, and the automations run themselves. Omnisend is a strong, more affordable alternative that bundles email, SMS, and push. Both run the abandoned-cart and welcome flows that recover real revenue.
Are Shopify apps worth the monthly cost?
The right ones, yes. An app that recovers abandoned carts or lifts AOV usually pays for itself many times over. The wrong ones are dead weight. Judge each app on the profit, time, or conversions it adds, and cut anything that does not earn its fee.
Key takeaways
- You need five app types, not 30 apps: profit tracker, email and SMS, reviews, upsell, and automation.
- Install a profit tracker first. You cannot scale a store you do not understand.
- Email and SMS can drive 25 to 50% of revenue, per Klaviyo. It is the channel you own.
- Reviews build trust; Judge.me and Loox are the go-to picks. Photo reviews convert hardest.
- Upselling and cross-selling can lift revenue by up to 30%, per HubSpot.
- Too many apps slow your site and lose sales. If an app does not earn its fee, kill it.
