Comparison

SIP Telephone vs App Debug Assistant

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

Head to head
About

SIP Telephone

A professional SIP softphone client for developers and technical teams. It allows seamless connection to SIP systems across mobile and computer devices for account configuration, call control, and diagnostics.

Highlights
  • Cross-platform SIP softphone client
  • Supports iOS and macOS
  • Account configuration
  • Call control
  • Signaling tracking
  • Audio diagnostics
Features
Read full description

SIP Telephone is a professional SIP softphone for developers, system administrators, support teams, and advanced users. It is available for iPhone and Mac. Connect your own SIP service to configure accounts, make voice calls, inspect signaling, diagnose audio, and monitor call quality. It is designed for everyday calling, system integration, testing, and troubleshooting. Key Features • Multiple SIP Accounts Add, edit, enable, or disable multiple SIP accounts and quickly switch between frequently used lines. • Complete Call Controls Make and answer calls, hang up, hold and resume, mute audio, and send DTMF tones. • SIP Signaling Inspection Review REGISTER, INVITE, and other SIP messages, transaction timelines, and raw packets to diagnose registration and call issues. • Real-Time Status and Quality Monitoring View registration status, server and transport information, ICE connection state, packet loss, latency, and audio levels. • Audio Diagnostics Discover available microphones and speakers, switch devices, run microphone loopback tests, and verify speaker output. • Call History Review call direction, time, duration, and status, with support for quick redial and history management. • ICE, STUN, and TURN Testing Test ICE server connectivity and candidate discovery to troubleshoot WebRTC media connections. • Pro Account Sync With a one-time Pro purchase, sync SIP accounts across your Apple devices through iCloud, or import and update accounts using subscription links and QR codes. Privacy and Security SIP passwords and sensitive credentials are stored in the system Keychain. iCloud sync is enabled only when requested by the user, and account data remains within the user’s Apple ID ecosystem. Camera access is used only to scan account subscription QR codes. Important This app is a SIP client only. It does not provide SIP accounts, phone numbers, carrier service, calling plans, or emergency calling. A compatible SIP service supplied by you or a third-party provider is required. Call quality, pricing, and service availability are determined by the configured SIP provider.

About

App Debug Assistant

A comprehensive toolkit for developers and testers to streamline debugging. It offers device information, sensor data, Bluetooth debugging, file transfer, and QR code tools for efficient workflow and bug reporting.

Highlights
  • Device information viewer
  • Sensor data readings
  • Bluetooth BLE scanning and connection
  • Wireless file transfer
  • Real-time text synchronization
  • QR code scanner and generator
  • APNs push notification testing
Features
Read full description

App Debug Assistant is a versatile toolkit designed for developers and testers, streamlining your daily debugging workflow. 【Device Info】 • IDFA Viewer - Instantly access the device advertising identifier with one-tap copy for attribution testing • Device Details - View comprehensive device info including model, screen, memory, storage, battery, and system version 【Sensor Debugging】 • Motion & Attitude - Accelerometer, gyroscope, magnetometer, and fused device-motion data with live multi-axis readings for motion- and AR-related debugging • Environment & Activity - Barometer (pressure and relative altitude), pedometer, and motion-activity recognition for health- and context-aware features • Location & Heading - GPS-style location plus true and magnetic heading for maps and compass-style behavior • Device & Ambient Status - Proximity, screen brightness, device orientation, thermal state, and microphone level metering to troubleshoot hardware, sensors, and permissions 【Bluetooth Debugging】 • Device Scan - Discover nearby BLE peripherals with live name, identifier, and RSSI to quickly find test targets • Connect & GATT - Browse services and characteristics after connecting; read, write, and subscribe to notifications to verify protocols and payloads • Debug Helpers - Hex data display and one-tap UUID copy to speed up firmware and app integration 【Special Tools】 • Text Sync - Real-time text synchronization between your phone and computer over LAN • File Transfer - Wirelessly transfer files and photos via browser on the same WiFi network • APNs - Quickly test the push notification function, supporting both P12 and P8 certificate formats for easy debugging of push services. 【QR Code Tools】 • QR Scanner - Scan with camera or recognize from photos, quickly open links or copy content • QR Generator - Create QR codes from any text or URL for easy sharing 【Use Cases】 • Ad SDK Testing - Quick IDFA access for attribution verification • Device Debugging - Sync test URLs and config parameters to your phone • Bug Reporting - Copy device info for complete issue reports • Cross-device Workflow - Fast file and text transfer between devices • Sensor Debugging - Verify raw readings and permission flows on real hardware to narrow down sensor-related issues faster • Bluetooth Debugging - Scan and connect to BLE peripherals to validate GATT services, characteristics, and data exchange 【Secure & Reliable】 • Local data storage to protect your privacy and sensitive information Simple. Efficient. Essential for developers.

Screenshots

SIP Telephone4 screens
App Debug Assistant4 screens

Verdict

The call

The clearest difference is in-app purchases: App Debug Assistant at none against SIP Telephone's 1. App Debug Assistant also leads on review sentiment (80% vs 50%) and update cadence (weekly vs every 8 months). SIP Telephone's advantage is ads (none vs shown) and device support (4 vs 1). On price, rating and ratings volume 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. SIP Telephone sells 1 one-off in-app purchase. App Debug Assistant asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.0 for SIP Telephone against 3.0 for App Debug Assistant. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews are what separate them: 50% of SIP Telephone's written reviews are positive against 80% of App Debug Assistant's.

UpkeepUpdate frequency

SIP Telephone ships an update every 8 months, App Debug Assistant weekly. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.

Scorecard7 real differences · 3 level
SIP Telephone versus App Debug Assistant: the parameters behind the verdict, then further details
ParameterSIP TelephoneApp Debug Assistant
PriceFreeFree
Rating3.0 (3 ratings)3.0 (2 ratings)
Positive reviews50.0% of reviews80.0% of reviews — better
Number of ratings3 — better2
Update frequencyEvery 8 monthsWeekly — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS13.0 — better16.0
Further details — not scored
Size38 MB32 MB
Age rating4+4+
Developer川 唐Junjie Li

Customer experience

SIP Telephone

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

App Debug Assistant

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

1 purchases

SIP Telephone

One-time1
  • Pro$3.99
None

App Debug Assistant

No in-app purchases

Questions

Is SIP Telephone free?
SIP Telephone is free to download, with in-app purchases available.
Is App Debug Assistant free?
App Debug Assistant is free to download, with no in-app purchases.
Which has better reviews, SIP Telephone or App Debug Assistant?
SIP Telephone and App Debug Assistant are both rated 3.0 out of 5 on the App Store, from 3 and 2 ratings respectively.
Do SIP Telephone or App Debug Assistant have ads?
App Debug Assistant shows ads; SIP Telephone does not.
Which is updated more often, SIP Telephone or App Debug Assistant?
SIP Telephone ships an update every 8 months, and App Debug Assistant weekly. Most recently, SIP Telephone was updated on September 18, 2026 and App Debug Assistant on September 24, 2026.

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