# SIP Telephone vs App Debug Assistant

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.

Both are free to download. SIP Telephone sells 1 one-off in-app purchase. App Debug Assistant asks for nothing beyond the download.

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.

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.

## The numbers

| Metric | SIP Telephone | App Debug Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/sip-telephone/id6755219859/reviews) | [3.0 (2 ratings)](https://appshunter.io/ios/app/app-debug-assistant/id6757480495/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 50.0% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 38 MB | 32 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [川 唐](https://appshunter.io/developer/1852644898) | [Junjie Li](https://appshunter.io/developer/1033049366) |

## What reviewers say

### SIP Telephone

[App page](https://appshunter.io/ios/app/sip-telephone/id6755219859)

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:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $3.99 | one-time |


### App Debug Assistant

[App page](https://appshunter.io/ios/app/app-debug-assistant/id6757480495)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*