ZuluCall+ vs Hotwire
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
ZuluCall+
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ZuluCall+ is a powerful WebRTC-based SIP client designed for seamless integration with ZuluPBX, offering an all-in-one communication solution with advanced features. It provides high-quality audio calls with support for various audio codecs, ensuring crystal-clear communication. ZuluCall+ allows users to easily manage calls with features like call transfer, hold, mute/unmute, and access to call history. Integrated contacts and instant messaging (chat) offer quick and efficient communication. The client is compatible with Bluetooth headsets, enabling hands-free calling, and also includes voicemail transcription management*, streamlining message access. ZuluCall+ is a cost-effective, reliable, and feature-rich SIP client, ideal for both personal and business communications. Key features of ZuluCall+ Dialer are: o Audio Calls o Call Transfer o Call Hold o Mute/ Unmute o Call History o Contacts o Instant Messaging (Chat) o High quality voice Calls o Audio codec support o Bluetooth headset support o Manage Voicemail Transcription
Hotwire
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Hotwire is a powerful WebRTC-based SIP client, offering an all-in-one communication solution with advanced features. It provides high-quality audio calls with support for various audio codecs, ensuring crystal-clear communication. Hotwire allows users to easily manage calls with features like call transfer, hold, mute/unmute, and access to call history. Integrated contacts and instant messaging (chat) offer quick and efficient communication. The client is compatible with Bluetooth headsets, enabling hands-free calling, and also includes voicemail transcription management*, streamlining message access. Hotwire is a cost-effective, reliable, and feature-rich SIP client, ideal for both personal and business communications.
Screenshots
Verdict
The clearest difference is update cadence: Hotwire at every 2 days against ZuluCall+'s every 5 days. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ZuluCall+ ships an update every 5 days, Hotwire every 2 days. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.
| Parameter | ZuluCall+ | Hotwire |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | Every 2 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.1 | 14.1 |
| Further details โ not scored | ||
| Size | 26 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | ZuluCare, LLC | HOTWIRE TELECOM INC |
In-app purchases
ZuluCall+
No in-app purchases
Hotwire
No in-app purchases









