Synapse vs Phone Hardware & Diagnostics

Buying or selling a used iPhone? Know what works before money changes hands. Synapse helps you test key iPhone hardware — including cameras, speakers, microphones, sensors, buttons, connectivity, and biometrics — then creates a clear pass/fail device report you can share with a buyer, seller, repair shop, or resale listing. QUICK CHECK — FREE Run a basic test in minutes. No purchase required. Tests include: • Display • Touchscreen • Rear camera • Wi-Fi • Bluetooth FULL DIAGNOSTIC Unlock the complete hardware test suite and generate a shareable device report. Full Diagnostic includes: • Front camera and flashlight • Video recording • Microphones and speakers • Proximity sensor • Motion sensors • Screen rotation • Face ID or Touch ID sensor check • Vibration motor • Volume, lock, and mute buttons • GPS / location accuracy • System integrity indicators • Shareable pass/fail report with device details DEVICE CHECKS Purchase Device Checks in the app and save them to your account. Available options: • Single Device Check • 3 Device Checks • 10 Device Checks Sign in with Apple or email to save your purchased Device Checks, view your remaining checks, and use them on this device or another signed-in device. KEY FEATURES • Free Quick Check • Full Diagnostic hardware testing • Shareable pass/fail device report • Device Checks saved to your account • View remaining Device Checks in your Profile • Useful for buying, selling, repairing, or verifying a used iPhone PRIVACY Synapse runs hardware tests on your device. Your account is used to save purchased Device Checks and help you access them across signed-in devices. Permissions may be requested for camera, microphone, location during GPS testing, motion sensors, Bluetooth, Face ID / Touch ID checks, and local network features when needed. Apple, iPhone, Face ID, and Touch ID are trademarks of Apple Inc.

"Know what your iPhone or iPad can do, verify key hardware functions, and understand performance with guided diagnostics designed for real-world use. Choose a fast Quick Check, run a Full Diagnostic, or open individual tests. Check display colors and touch coverage, speakers and microphones, cameras and torch, motion and environmental sensors, storage, charging state, network and Bluetooth connectivity, biometrics, and supported features such as NFC, UWB, LiDAR and Apple Pencil. Performance tools can measure CPU, GPU, memory, storage throughput, frame pacing and thermal-state changes using repeatable workloads. Every test explains what it checks, how it works, and what the result can actually prove. Automatic measurements are kept separate from user confirmations. Permission limits, unsupported hardware and inconclusive conditions are shown clearly instead of being treated as failures. Use focused inspection modes when buying or selling a used device or after a repair. Save diagnostic history, compare selected results over time, retry items that need attention, and create clear reports that can be shared when needed. Privacy is built into the testing flow. Camera, microphone and sensor access is requested only when a relevant test needs it. Test captures are not kept permanently unless you choose to save or share them. The available test list adapts to the hardware your device actually supports, so you are not asked to run features that are not present. Some advanced checks may require compatible hardware, an accessory, an NFC tag or a second Apple device. Important: this is an independent diagnostic utility, not an Apple service tool. iOS does not provide third-party apps with every low-level metric. Exact CPU/GPU sensor temperatures, real-time processor clock speeds, official Battery Health percentage and cycle count are not presented as measured values when the public APIs do not provide them." All features and tools are available via in-app purchases with auto-renewable subscriptions. Auto-Renewable Subscription Terms: •⁠ ⁠The payment will be charged to your Apple ID Account at confirmation of purchase. •⁠ ⁠The subscription renews automatically unless the auto-renew is turned off at least 24 hours before the end of the current billing period. •⁠ ⁠Your account will be charged for renewal within 24 hours before the end of your selected subscription. •⁠ ⁠Your subscriptions can be managed, and auto-renewal can be turned off by going to your App Store Account Settings. Terms: https://eatkdevtermsofuse.carrd.co This application includes fee-based content: •⁠ Phone Hardware & Diagnostics Weekly ( with 3 days trial ) Then $4.99 •⁠ Phone Hardware & Diagnostics Monthly $9.99 •⁠ Phone Hardware & Diagnostics Yearly $24.99