ZOLphone vs Grandstream Wave
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZOLphone
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ZOLphone is a VoIP (Voice over IP) service, that converts standard telephone audio into digital format that can be transmitted over the internet, and by converting incoming digital phone signals from the internet to standard telephone audio.
Grandstream Wave
This app transforms your device into a powerful softphone, enabling high-quality audio and video calls, and seamless meeting participation. Connect to your IP PBX system to call extensions, landlines, and mobile numbers from anywhere with a network connection.
- High-quality audio and video calls
- Schedule and attend meetings
- Join meetings without logging in
- Connect to UCM63XX series IP PBX
- Call extensions, landlines, and mobiles
- Create and join meetings
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Wave turns your device into a softphone that can connect, call, and video conference from anywhere by connecting to a Grandstream UCM63XX series IP PBX. It supports key features such as high-quality audio and video calls, scheduling and attending meeting, and allows joining meetings without logging in. As long as there is a network connection, users can register to UCM63XX series extensions, directly call other extensions, landlines, and mobile numbers, as well as create and join meetings. With Wave, users can enjoy calls and meetings no matter where they are, boosting communication efficiency and productivity for your enterprise.
Screenshots
Verdict
The clearest difference is update cadence: Grandstream Wave at every 6 weeks against ZOLphone's every 5 months. ZOLphone's advantage is iOS requirement (10.0 vs 13.0). 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.
ZOLphone ships an update every 5 months, Grandstream Wave every 6 weeks. The most recent releases landed on October 16, 2026 and October 23, 2026 respectively.
| Parameter | ZOLphone | Grandstream Wave |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.6 (51 ratings) — better |
| Positive reviews | — | 10.0% of reviews |
| Number of ratings | — | 51 — better |
| Update frequency | Every 5 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 68 MB | 116 MB |
| Age rating | 4+ | 4+ |
| Developer | Liquid Telecommunications Ltd | Grandstream |
In-app purchases
ZOLphone
No in-app purchases
Grandstream Wave
No in-app purchases
Questions
Is ZOLphone free?
Is Grandstream Wave free?
Do ZOLphone or Grandstream Wave have ads?
Which is updated more often, ZOLphone or Grandstream Wave?
Other comparisons
