Comparison

FaceDepthTool vs DeviceTestApp

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

Head to head
About

FaceDepthTool

Features
Read full description

FaceDepthTool Capture high-quality 3D depth photos using your iPhone's TrueDepth camera technology. Perfect for 3D scanning, facial depth mapping, and professional depth imaging projects. KEY FEATURES: Dual Camera Capture • Capture RGB color photos and depth maps simultaneously • Real-time face detection and alignment guidance • High-resolution depth data for professional use Smart Face Guidance • Visual oval guide for optimal face positioning • Real-time feedback for perfect alignment • Automatic capture when properly aligned Photo Management • Built-in gallery to view all captured photos • Side-by-side RGB and depth visualization • Individual or batch photo deletion • Export photos as ZIP files Privacy First • All photos stored locally on your device • No data collection or third-party sharing • You control when and what to upload • Transparent privacy policy REQUIREMENTS: • iPhone with TrueDepth camera (iPhone X or newer) • iOS 13.0 or later USE CASES: • 3D facial scanning and modeling • Depth mapping research and development • Computer vision training data collection • Photography and creative projects • AR/VR content creation FaceDepthTool gives you professional-grade depth capture capabilities right in your pocket. Start capturing stunning depth photos today!

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

FaceDepthTool3 screens
DeviceTestApp4 screens

Verdict

The call

The clearest difference is update cadence: DeviceTestApp at every 11 days against FaceDepthTool's every 6 weeks. FaceDepthTool's advantage is iOS requirement (13 vs 15.0). On price, ads, in-app purchases and device support 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

FaceDepthTool ships an update every 6 weeks, DeviceTestApp every 11 days. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 4 level
FaceDepthTool versus DeviceTestApp: the parameters behind the verdict, then further details
ParameterFaceDepthToolDeviceTestApp
PriceFreeFree
Update frequencyEvery 6 weeksEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13 — better15.0
Further details — not scored
Size6 MB2 MB
Age rating4+4+
Developer宇 晏GALAXY TELECOM

In-app purchases

None

FaceDepthTool

No in-app purchases

None

DeviceTestApp

No in-app purchases

Questions

Is FaceDepthTool free?
FaceDepthTool is free to download, with no in-app purchases.
Is DeviceTestApp free?
DeviceTestApp is free to download, with no in-app purchases.
Do FaceDepthTool or DeviceTestApp have ads?
Neither FaceDepthTool nor DeviceTestApp shows ads.
Which is updated more often, FaceDepthTool or DeviceTestApp?
FaceDepthTool ships an update every 6 weeks, and DeviceTestApp every 11 days. Most recently, FaceDepthTool was updated on September 23, 2026 and DeviceTestApp on September 17, 2026.

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