Zadarma vs Global Call UC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zadarma
This VoIP app allows you to make and receive calls and SMS using a virtual number and PBX. It offers features like call transfer, recording, and an AI voice agent to automate incoming calls. Seamlessly integrate with CRM and ERP systems for enhanced business communication.
- Virtual numbers and PBX
- Call transfer
- Call recordings
- SMS messaging
- AI Voice Agent
- CRM integration
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Zadarma is a simple and reliable VoIP app for making and receiving calls and SMS. Get a virtual number and PBX in one app, right on your mobile! Stay connected wherever you are with high-quality calls and affordable rates. Key Features: - Virtual numbers & PBX – get a virtual number in 110 countries and connect to your PBX directly in the app. - Call transfer – easily transfer calls to colleagues or other numbers. - Call recordings – listen to recorded calls right in the app. - SMS messaging – send and receive texts easily. - AI Voice Agent – automate incoming calls with an AI assistant that can answer questions, use your knowledge base, and transfer calls to your team when needed. Need more? Get a free Teamsale CRM already integrated with our telephony, plus seamless integration with all popular CRM and ERP systems. Zadarma also offers call tracking, website widgets, speech analytics, and more to boost your business. Learn more at zadarma.com!
Global Call UC
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Global Call Limited is a licensed ETS (External Telecommunications Services) provider in Hong Kong.
Screenshots
Verdict
The clearest difference is update cadence: Zadarma at every 2 months against Global Call UC's every 32 months. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Zadarma ships an update every 2 months, Global Call UC every 32 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.
| Parameter | Zadarma | Global Call UC |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (71 ratings) — better | — |
| Positive reviews | 40.5% of reviews | — |
| Number of ratings | 71 — better | — |
| Update frequency | Every 2 months — better | Every 32 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 73 MB | 108 MB |
| Age rating | 4+ | 4+ |
| Developer | Zadarma Project | Global Call |
In-app purchases
Zadarma
No in-app purchases
Global Call UC
No in-app purchases
