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Drizz raises $2.7M in seed funding •
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Featured on Forbes
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Drizz raises $2.7M in seed funding •
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Featured on Forbes

You've upgraded every layer of your mobile stack except the one that breaks the most.
Let me start with a confession: I've spent the last 6 months interviewing mobile engineers about their tooling. Flutter devs at fintech unicorns. React Native teams at Series B startups. Android leads at companies you've definitely used this week.
The pattern was the same almost every time teams running a cutting-edge 2024/2025 stack for everything from frontend to analytics, but still stuck with 2012-era testing tools held together by brittle selectors and Thread.sleep().
This isn't a listicle. This is an audit of what elite mobile teams are actually using in 2026, with adoption stats, market data, and the uncomfortable truth about why your testing layer is probably the weakest link in an otherwise modern stack.
If you're shipping mobile apps and still wrestling with flaky Appium tests, broken selectors, and QA bottlenecks keep reading.
Before we talk about the testing gap, let's establish what "modern" actually looks like across every layer. I pulled adoption data from Stack Overflow's 2025 Developer Survey, Statista, and conversations with 40+ mobile engineers.
The UI toolkit your users actually interact with determines how your app looks, feels, and performs across platforms.
The Winners: Flutter (46% market share) and React Native (35%)
The cross-platform war is effectively over. Flutter won on developer experience; React Native won on ecosystem familiarity. The rest (Kotlin Multiplatform at 9%, native-only) are niche plays.
The breakdown:
The server-side engine that handles your database, authentication, storage, and real-time sync so your team can focus on the app, not infrastructure.
The Winners: Firebase (still dominant for speed) and Supabase (the open-source insurgent)
Supabase hit a $2 billion valuation in April 2025 and now serves 1.7 million+ developers. 40% of recent Y Combinator batches build on Supabase. That's not a trend that's a generational shift.
The breakdown:
The automated assembly line that builds, tests, and ships your code every time you push turning commits into production releases without manual intervention.
The Winners: GitHub Actions (dominant for most), Bitrise (mobile-specialized)
72% of agile teams now use automated test frameworks in CI/CD pipelines. GitHub Actions leads personal projects and is open-source; Jenkins and GitLab CI/CD persist in enterprise (legacy inertia).
The breakdown:
The insight layer that tracks how users actually behave in your app what they tap, where they drop off, and which features drive retention.
The Winners: Mixpanel ($170M revenue in 2024), Amplitude ($312M revenue)
The product analytics market is projected to hit $45 billion by 2033. Every serious mobile team tracks events, funnels, and retention. This is table stakes now.
The breakdown:
The early warning system that catches crashes, errors, and performance issues in production before your users flood the app store reviews.
The Winners: Sentry (1.3M+ users), Firebase Crashlytics (free tier advantage)
Mobile apps with 99.9%+ crash-free sessions see 4x higher retention. Crash reporting isn't optional, it's survival.
The breakdown:
The control panel that lets you toggle features on and off remotely, run A/B tests, and roll out changes to 1% of users before going to 100%.
The Winners: LaunchDarkly, Statsig, Amplitude Experiment
Progressive rollouts and A/B testing are standard practice. 60%+ of engineering teams use feature flags to manage risk.
The re-engagement channel that brings users back into your app with timely, personalized messages from transactional alerts to marketing nudges.
The Winners: OneSignal, Firebase Cloud Messaging, Braze
This layer is commoditized. Pick based on your existing stack integration.
The quality gate that's supposed to catch bugs before your users do validating that every screen, flow, and edge case works as expected across devices.
The Gap: This is where most stacks fall apart.
Here's the uncomfortable stat: 22% of teams still use Appium as their primary mobile testing framework. Selenium leads web testing at 64.2%. These tools were created in 2011-2012.
Meanwhile:
Your testing layer is a decade older than every other layer in your stack.
Here's the typical pattern: a team deploys Flutter apps through GitHub Actions to Firebase App Distribution. Analytics run on Mixpanel. The backend is Supabase. Everything modern, everything maintained.
Then QA kicks in. Appium tests break every time the design team changes a button's padding. 30% of the sprint gets eaten by test maintenance not catching actual bugs, but fixing selectors. Flakiness rates sit at 15-20%, sometimes spiking to 25% on real devices. The tests find more false positives than real issues.
Teams running Espresso for Android and XCUITest for iOS face a different flavor of the same problem: two completely separate test suites for the same user flows. Write it twice, maintain it twice, debug it twice. One mobile lead estimated $200K/year in engineering time just on test maintenance mostly fixing selectors that broke because someone changed an accessibility label.
And then there are the teams that just gave up. The testing experience is so painful that engineers stop writing tests altogether, falling back to manual QA for critical flows. It's a bottleneck, but at least manual testing doesn't serve up false failures every morning.
Source: State of Test Automation Survey 2024, TestGuild research, developer interviews
The Flow: "User searches for a restaurant, adds item to cart, completes checkout"
// Brittle selectors, verbose waits — and this is just the first 3 steps
public void testCheckoutFlow() {
WebDriverWait wait = new WebDriverWait(driver, Duration.ofSeconds(30));
MobileElement searchBox = (MobileElement) wait.until(
ExpectedConditions.presenceOfElementLocated(
By.xpath("//android.widget.EditText[@resource-id='com.app:id/search_input']")));
searchBox.sendKeys("Pizza Palace");
wait.until(ExpectedConditions.presenceOfElementLocated(
By.xpath("//android.widget.TextView[@text='Pizza Palace']"))).click();
wait.until(ExpectedConditions.presenceOfElementLocated(
By.xpath("//android.widget.Button[@resource-id='com.app:id/add_to_cart_btn']"))).click();
// ... 30+ more lines for cart, address, payment, confirmation
}
Now here's the same flow with Vision AI testing:
# 8 lines, human-readable, self-healing
Test: Complete checkout flow
Steps:
- Search for "Pizza Palace"
- Tap on the restaurant named "Pizza Palace"
- Add the first menu item to cart
- Go to cart and proceed to checkout
- Complete the order with saved payment
- Verify order confirmation appears
The difference shows up the moment something changes. Designer renames search_input to search_field? Appium breaks Vision AI still finds the search bar visually. A promotional banner shifts the layout? Appium throws a timing error Vision AI adapts and moves on. Need to run the same test on iOS? With Appium, you rewrite it from scratch. With Vision AI, the same plain-English test works on both platforms.
Here's the architectural shift that matters: Vision AI testing doesn't rely on the DOM.
Traditional testing (Appium, Espresso, XCUITest) treats your app like a document structure. It finds elements by ID, class, XPath things that live in code.
Vision AI testing treats your app like a human sees it. It finds elements by how they look and what they're labeled. When your designer moves a button 10 pixels left, Vision AI doesn't care. When your Android and iOS apps have different underlying structures, Vision AI sees them as the same UI.

It's the missing piece.
Your Flutter/React Native app is cross-platform. Your Supabase backend is cross-platform. Your GitHub Actions CI/CD works for everything.
But Appium? Espresso? XCUITest? They're platform-specific, maintenance-heavy, and fundamentally incompatible with how fast modern mobile teams ship.
Vision AI testing finally gives you a testing layer that matches the rest of your 2026 stack:
Drizz was built by engineers from Amazon, Coinbase, and Gojek who lived through exactly the problems described above. The company raised $2.7M in seed funding (Stellaris Venture Partners, Shastra VC) specifically to solve the testing layer gap.
Write tests in plain English:
Tap on "Sign In"
Enter "test@example.com" in the email field
Enter "password123" in the password field
Tap "Continue"
Verify "Welcome back" message appears
Vision AI executes the test:
Self-healing handles changes:
Debugging when tests fail:
From early deployments with global unicorns:
Let's do the calculation for a typical mobile team (3 engineers, 1 QA, shipping bi-weekly):
Plus the intangibles:
If you're convinced your testing layer needs modernization, you don't need a quarter-long migration plan. Here's how to start:
1. Audit (1 hour): Check your flakiness rate (failures ÷ total runs) and count how many tests broke last month from UI changes not actual bugs. If either number makes you wince, keep going.
2. Pilot (1 afternoon): Pick your top 3-5 critical user flows (login, checkout, onboarding). Recreate them in a Vision AI tool like Drizz using plain English. Run them alongside your existing suite.
3. Compare & Decide: Look at execution time, flakiness, and how long each suite took to set up. The numbers usually make the decision obvious.
Here's the uncomfortable truth: You've already modernized 7 of 8 layers in your mobile stack.
Flutter or React Native for cross-platform UI. Firebase or Supabase for backend. GitHub Actions or Bitrise for CI/CD. Mixpanel for analytics. Sentry for monitoring.
Modern, maintained, and actually pleasant to use.
Then there's testing. Still relying on tools built in 2011-2012. Still maintaining separate test suites per platform. Still losing engineering hours to flaky selectors and brittle XPaths.
The testing layer is the last piece of the puzzle.
The good news? The category is finally catching up. Vision AI-based testing tools Drizz, Applitools, and others are bringing the same cross-platform, low-maintenance philosophy to testing that Flutter brought to frontend development. The approach is different (visual understanding instead of DOM selectors), but the outcome is the same: less busywork, more confidence, faster shipping.
A modern 2026 mobile stack looks something like this:
The testing gap is real, but it's solvable. Whether you start with a pilot on your top 5 user flows or do a full audit of your current flakiness rate, the important thing is to stop accepting a 2012-era testing experience as normal.
Your stack deserves better. So does your team.
Want to see what Vision AI testing looks like in practice? Drizz is a good place to start built specifically for the mobile testing gap we've been talking about.