Comparison

SMART Testz vs DeviceTestApp

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SMART Testz

Features
Read full description

Test the basic functions of the phone and provide a grade.

About

DeviceTestApp

Features
Read full description

DeviceTestApp is a professional iPhone hardware diagnostic tool designed for device inspection, repair, and second-hand trading. Launch a single test to automatically complete 29 core hardware checks and quickly determine device health. 【Key Features】 • 29 Comprehensive Tests: Charging, Wi-Fi, Bluetooth, Network, Touchscreen, LCD, Multi-touch, Face ID, Front/Bottom/Rear Microphones, Speaker, Vibration Motor, Standard/Telephoto/Ultra-wide/Front Cameras, Flashlight, NFC, Phone Call, Proximity Sensor, Volume Up/Down, Power Button, Mute Switch, Earpiece, Gyroscope, GPS Location • Automated Pipeline: Most tests auto-detect pass or fail, minimizing manual operation • Live Face Detection: Front camera live preview with TrueDepth sensor hardware-level validation • Report Upload: One-tap upload test reports to your PC management system • PC Remote Control: Remotely start tests, retest failed items, and adjust test order from your computer • Multi-language: Automatically switches between Chinese and English based on system language • Custom Order: Drag to rearrange test execution order based on your workflow • USB Offline Mode: Export test results via USB even without network 【Use Cases】 • Pre-sale inspection for second-hand phones • Post-repair functionality verification • Factory production line quality control • Enterprise batch device management 【Privacy】 This app only temporarily accesses camera, microphone, Bluetooth, and location hardware during testing. No personal data is collected, stored, or uploaded. All test data is saved locally or sent only to the user's self-hosted LAN server.

Screenshots

SMART Testz4 screens
DeviceTestApp4 screens

Verdict

The call

The clearest difference is iOS requirement: SMART Testz at 12.0 against DeviceTestApp's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SMART Testz ships an update fortnightly, DeviceTestApp every 11 days. The most recent releases landed on September 13, 2026 and September 17, 2026 respectively.

Scorecard1 real difference · 5 level
SMART Testz versus DeviceTestApp: the parameters behind the verdict, then further details
ParameterSMART TestzDeviceTestApp
PriceFreeFree
Update frequencyFortnightlyEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size14 MB2 MB
Age rating4+4+
DeveloperFutureDial Inc.GALAXY TELECOM

In-app purchases

None

SMART Testz

No in-app purchases

None

DeviceTestApp

No in-app purchases

Questions

Is SMART Testz free?
SMART Testz is free to download, with no in-app purchases.
Is DeviceTestApp free?
DeviceTestApp is free to download, with no in-app purchases.
Do SMART Testz or DeviceTestApp have ads?
Neither SMART Testz nor DeviceTestApp shows ads.
Which is updated more often, SMART Testz or DeviceTestApp?
SMART Testz ships an update fortnightly, and DeviceTestApp every 11 days. Most recently, SMART Testz was updated on September 13, 2026 and DeviceTestApp on September 17, 2026.

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