BelWave Mobile vs K7 One
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BelWave Mobile
This mobile application extends your office VoIP phone system to your smartphone or tablet. Make and receive calls using your business number, manage contacts, and access voicemail and call history on the go. Stay productive and maintain your business identity wherever you work.
- VoIP calling from mobile
- Use office phone number
- Voicemail access
- Call history management
- Contact management
- Text messaging
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BelWave Mobile brings your office phone system with you—wherever work takes you. As part of BelWave’s Unified Communications solution, this powerful mobile softphone app extends your VoIP service directly to your smartphone or tablet, keeping you connected whether you’re at your desk, working from home, or on the go. With BelWave Mobile, your business identity stays consistent. Make and receive calls using your office phone number, stay connected with colleagues, and manage your communications just like you would in the office. Access voicemail, view call history, manage contacts, and send text messages—all from the convenience of your mobile device. BelWave Mobile makes it easy to stay productive and responsive no matter where the day takes you. Best of all, the BelWave Mobile app is included at no additional cost with a subscription to BelWave’s voice service.
K7 One
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K7 One — Your Business Communications, Everywhere You Go K7 One transforms your business phone system into a mobile productivity hub — seamlessly connecting voice calls, messaging, voicemail, and contacts in one intuitive app. Powerful Unified Communications K7 One brings enterprise-grade communication features directly to your iPhone and iPad, extending your phone system beyond the desk. Make and receive calls with your business identity, manage voicemail, and stay in touch wherever you are. Feature Highlights • Mobile Calling: Place and receive calls over data or Wi-Fi using your business number. • Messages & Chats: Send and receive SMS/MMS from your business line (where supported). • Voicemail + Visual Inbox: Access, play back, and manage voicemail easily. • Contacts & Directories: Fast access to company and personal contacts. • Call History: View all inbound, outbound, and missed calls in one place. • Presence & Status: See coworkers’ availability and adjust your own. • Settings & Rules: Customize answering rules, greetings, and preferences on the go. K7 One keeps your business communication streamlined and accessible — whether you’re in the office, working remotely, or traveling. Designed for Professionals Built for business users who need reliable mobile communication that integrates with their existing phone system and extends key capabilities beyond traditional desk phones. Requirements • Requires an existing account with a supported service provider or hosted phone system. • Internet connection required for voice and messaging features. Stay connected and productive — download K7 One now and bring your business communications into the future.
Screenshots
Verdict
BelWave Mobile and K7 One are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
BelWave Mobile ships an update every 2 months, K7 One every 3 months. The most recent releases landed on November 5, 2026 and November 13, 2026 respectively.
| Parameter | BelWave Mobile | K7 One |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.6 |
| Further details — not scored | ||
| Size | 121 MB | 122 MB |
| Age rating | 4+ | 4+ |
| Developer | Atheral LLC | Kloud 7 |
In-app purchases
BelWave Mobile
No in-app purchases
K7 One
No in-app purchases









