App testing and QA · India

App testing and QA that catches the crash before your users do

Webzenia runs manual and automated QA across a real mid-range Android matrix, so a buggy release never reaches the store.

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95%
Defects caught before release
50+
Real Android devices tested
99.5%
Crash-free sessions post-launch
Trusted by ambitious brands worldwide, small and large

Proof · the numbers

Catches the crash before your users do.

A one-star review from a crash costs more than the test that catches it. These are the numbers from QA on the devices your users hold.

62%
Fewer crash-related one-star reviews.
3x
Faster regression on every release.
100%
Built in-house, never offshored.
94%
Clients who renew each year.

A home services app wins 74% of bookings in 60 days.

Modern software company workspace with a product team — On-Demand Home Services Platform, Mumbai · Webzenia Mobile App Development case study
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What mobile app QA actually is

The release gate that runs before your users do, across real devices

App QA is not clicking the happy path once. It is functional, performance, security and compatibility testing on the real devices your users carry.

QA · test runDEVICE MATRIXPixel 8Galaxy S23Redmi 12!iPhone 15!TEST RUNtests passed248/2524failing87%coverageTested on real devices — before your users are the test.

Across real devices

Tested on the phones and OS versions your users actually have, not just one simulator, so fragmentation does not bite at launch.

Automated where it counts

Regression-prone flows automated with Appium, so a fix in one place never quietly breaks another.

A gate, not an afterthought

A pass/fail gate before each release, so what ships is what was tested, with the failures known.

What we test

The testing we run on every build

From the core flows to the security surface, the testing that decides whether a build is fit to ship.

Functional testingvs spec47/48cases passededge cases included98% pass rateLogin & sign-upincl. wrong OTPpassCheckout · UPI / CODincl. payment failpassOffline cartincl. reconnectpassCoupon on cart totalflaky · 1 retryflakyevery flow checked, edge cases and all

Functional testing

Every flow checked against the spec, edge cases included

Output

the app does what it is supposed to

FlowsEdge cases
Performance testingon low-endRedmi 9A · 4G throttledMetricBudgetCold start2.0s1.4sMemory200 MB168 MBFrame rate60 fps58 fpsJank1%1.4%cold start, memory and battery on the phones users carry

Performance testing

Cold start, memory, battery and behaviour on low-end phones and slow networks

Output

an app that stays fast

SpeedMemory
Security testingOWASP MASVS0critical findingsMASVS L1 + L2no way inData storageno secrets on diskCryptographyTLS 1.3 · pinnedAuthenticationtoken expiry · biometricNetworkno cleartext trafficCode & tamperobfuscated · root checkstorage, network and auth, no obvious way in

Security testing

Data storage, network and auth checked against OWASP MASVS

Output

no obvious way in for an attacker

OWASPAuth
Compatibilitydevice matrixold OScurrentsmalltabletRedmi 9AGalaxy M13Pixel 8iPhone 12iPhone 15it works on their phone, not just ours

Compatibility testing

Across the device matrix, OS versions and screen sizes your users have

Output

it works on their phone, not just ours

DevicesOS versions
Test automationevery buildAppium suite310 / 312passed · 2 skipped99.4%On every buildBuildTestReportrunning · 42sthe regression-prone flows, checked on every build

Test automation

Appium suites for the regression-prone flows, run on every build

Output

regressions caught the same day

AppiumRegression
Manual & exploratoryreproducibleCart total wrong after couponHigh#BUG-2287 · CheckoutfiledSteps to reproduce1Add 3 items to cart2Apply coupon SAVE203Total shows pre-discount₹640the weird bugs, found and filed with a repro

Manual & exploratory

Human testing of the paths automation misses, with reproducible reports

Output

the weird bugs, found and filed

ExploratoryRepro

Tested, or shipped on hope

A build put through a QA gate, or one your users debug for you

Skipping QA does not save the cost of testing; it moves it. The bugs still get found, just by users, in the ratings, after release.

Ship and find outFound in reviewsQA before releaseFound in test
Who finds the bugA user, in public, in a one-star review.QA, on a real device, before the release.
DevicesTested on the developer’s one phone.Tested across the matrix your users carry.
RegressionsA fix here silently breaks something there.Automated suites catch them the same day.
Cost of a bugA hotfix, a re-review and a dented rating.A ticket, before anyone is affected.
QA is where bugs are cheap

A bug found in QA costs a fix; the same bug found in production costs a hotfix, a store re-review and a rating. We run the gate so the expensive version never happens.

How we test

Tested for the device range India actually uses

A pass on one flagship is not a pass. We test where the users are: across the fragmented, mid-range Android reality.

  1. 01of 04
    Real-device matrixFragmentation

    An app that passes on a Pixel can still crash on the phone half your users own.

    We test on a real-device matrix spanning the OS versions, screen sizes and low-RAM phones common in India, because the simulator hides what the cheap phone reveals.

    Our methodTested on a real, fragmented device matrix.
  2. 02of 04
    Automation that holdsRegression

    The bugs that hurt most are the ones a fix elsewhere reintroduced.

    We automate the regression-prone flows with Appium and run them on every build, so a change is checked against everything it might have broken.

    Our methodRegression suites run on every build.
  3. 03of 04
    Security testedOWASP MASVS

    A fintech or health app leaking data fails in a way ratings cannot fix.

    We test data storage, network and auth against the OWASP MASVS, so a known mobile vulnerability is not what your users discover.

    Our methodTested against OWASP MASVS.
  4. 04of 04
    Performance on low-end4G & low RAM

    Smooth on a flagship says nothing about the ₹10,000 phone on 4G.

    We measure cold start, memory and behaviour on low-end devices and slow networks, so the app is fast for the user, not the demo.

    Our methodPerformance measured on low-end devices.

What the engagement covers

From a test plan to a release gate, end to end

Not a single pass before launch. A plan, the cases, the automation, the device runs and a clear report.

Plan · coverageSTEP 01COVERAGE MATRIXUNITE2EMANUALAuthCheckoutProfileSearchWhat we test, and how deeply.

Test plan

We map the flows, the risks and the device matrix, so testing covers what matters, not a random walk.

  • Risks
  • Matrix
Cases · writtenSTEP 02TEST CASES48 casesTC-01Valid loginhomeTC-02Wrong passworderror shownTC-03Empty cartblockedTC-04Payment failsretrySteps and expected results, written down.

Write the cases

Functional, edge and negative cases written and reviewed, so coverage is a decision, not an accident.

  • Cases
  • Coverage
Automate · CISTEP 03PIPELINEBuildTestLintShipRESULT142 passing· 0 failingThe suite runs on every commit.

Automate

Appium suites for the regression-prone flows, wired into the build, so they run on every change.

  • Appium
  • CI
QA · both platformsSTEP 04DEVICE LABPixel 7Android 14iPhone 15iOS 18Galaxy A14Android 13iPad AiriPadOS 17CRASH-FREE · 7D99.6%sessions cleanTested across Android and iPhone.

Run on devices

Functional, compatibility and performance runs across the real-device matrix, manual where automation cannot reach.

  • Devices
  • Manual
Security · passSTEP 05SECURITY SCANNo criticalsFINDINGSCritical0High0Medium1 fixedLow3 fixedScanned for the OWASP top risks.

Security pass

A security review against OWASP MASVS on storage, network and auth, with findings ranked by severity.

  • OWASP
  • Severity
Sign-off · release gateSTEP 06RELEASE GATETests142 passCoverage92%SecurityclearPerformancein budgetAPPROVEDPASScleared to shipGreen across the board, cleared to ship.

Report & sign-off

A clear pass/fail report with reproducible bugs, so you ship knowing exactly what is and is not fixed.

  • Report
  • Sign-off

Apps we test

Built for the apps where a bug is expensive

A fintech app, a commerce app and a health app each fail differently, and each needs the failure found in test, not production.

Fintech

Money flows, security-tested.

Retail & D2C

Checkout that cannot drop orders.

Healthtech

Data handled, privacy tested.

On-demand

Live flows, tested under load.

Edtech

Video and tests across devices.

Enterprise

Complex apps, regression-covered.

Our stack

Tools we use to test every build

The stack behind apps that ship without the crash that sinks a review.

Appium
Why Appium

Appium is the cross-platform automation standard, driving real UI tests on both iOS and Android from one suite.

How we excel

We automate end-to-end tests in Appium across iOS and Android, so a critical flow like checkout is verified on both platforms automatically before every release.

Cross-platformReal UIBoth
AppiumYes
DetoxRN
MaestroYes
ManualNo

How the engagement runs

From plan to a repeatable release gate, in stages

A QA engagement that builds coverage once, then runs it on every release so quality does not depend on who is free.

01Week 1Planned

Map the risks, write the cases

We map the flows, risks and device matrix, and write the functional, edge and negative cases that define coverage.

  • Risksmapped
  • Matrixset
  • Caseswritten
  • Coverageagreed
02Weeks 2–3Building

Automate the suite, run the matrix

We automate the regression flows with Appium, run functional, compatibility, performance and security passes, and file reproducible bugs.

  • Automationbuilt
  • Devicesrun
  • Securitychecked
  • Bugsfiled
03OngoingHeld

Run the gate, report the result

We run the suite on every release, keep it current with the app, and report pass rate, coverage and severity each cycle.

  • Gaterun
  • Suitecurrent
  • Pass ratetracked
  • Reportsent

Reported against pass rate, coverage and bugs by severity, not just hours billed.

Reported on quality
Pass rateCoverageSeverity

A microfinance lender cuts loan processing to 40 minutes.

Modern office desk with an open laptop and notebook — Microfinance Institution, Kolkata · Webzenia Mobile App Development case study
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Our commitment

Our commitment, in writing

QA goes wrong when it is a rubber stamp, when it tests one device, or when you cannot see what was checked. We work against all three.

  • You own the suite

    The test cases and automation are yours, in your repo, with a clean handover. The coverage stays with the app, not us.

  • Real devices, real numbers

    Tested on the device matrix your users carry, with performance measured on low-end phones, not a fast simulator.

  • A clear pass/fail

    A report with reproducible bugs ranked by severity, so you ship knowing exactly what is fixed and what is not.

  • A senior QA lead, named

    A senior QA engineer who owns your test plan, with one accountable lead, not a rotating bench.

The test suite is yours: cases, automation and all.

FAQ · 07 questions

App testing and QA, answered.

Still weighing it up?

The first audit is free and produces a written, scoped estimate. No retainer pitch on the call.

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Accepting new clients · 2026

Shipping a release you are not sure about?

Send us your app and the flows that matter most. We test on a real mid-range Android matrix and send you a bug report with steps to reproduce, before you push to the store.

What happens next

  1. 1Send your appShare the build and key flows
  2. 2We test itManual and automated, real devices
  3. 3Reply on WhatsAppBug report with reproduction steps

Tell us what to test.

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