EarthLink Mobile Communicator vs KozBon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EarthLink Mobile Communicator
This app allows EarthLink Complete Voice subscribers to manage their phone service from any device. Make and receive calls, move calls between devices, and manage voicemail and faxes on the go. It requires a 4G/LTE or WiFi connection.
- Make and receive calls over WiFi/4G/LTE
- Move calls between devices seamlessly
- Use your EarthLink Complete Voice number on any device
- Receive new voicemail alerts
- Playback voice messages and view faxes
- Control incoming call handling
- Sync contacts across devices
- Establish audio and video web conferences
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EarthLink Business Mobile Communicator - For EarthLink Complete Voice subscribers. IMPORTANT: DO NOT DOWNLOAD AND INSTALL EARTHLINK BUSINESS MOBILE COMMUNICATOR UNLESS YOU ARE AN EARTHLINK COMPLETE VOICE SUBSCRIBER. ***** With EarthLink Mobile Communicator, you can take control of your EarthLink Complete Voice service from anywhere. FEATURES • Make and receive calls over WiFi/4G/LTE • Move calls between your desk phone, mobile and tablet devices, without hanging up • Make calls from any device using your EarthLink Complete Voice telephone number • Receive new voicemail alerts • Playback voice messages and view faxes • Control how incoming calls are handled • Sync your EarthLink Mobile Communicator contacts across devices • Establish audio and video web conferences NOTE: EarthLink Mobile Communicator requires 4G/LTE or WiFi access. Use of these services may incur additional charges.
KozBon
This utility app helps you find and test Bonjour network services. It allows you to discover existing services, broadcast your own custom services, and browse a large library of pre-configured service types. Designed for all Apple platforms with accessibility features.
- Discover Bonjour network services
- Broadcast custom Bonjour services
- 120+ built-in service types
- Create custom service types
- Native support for iPhone, iPad, Mac, Vision Pro
- Full VoiceOver support
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KozBon turns your local network into something you can actually understand. Open it and every mDNS / DNS-SD service in range appears in one organized list — media receivers, smart-home accessories, printers, file shares, Matter devices, Thread border routers, web servers, SSH endpoints, and dozens more. DISCOVER • Live, continuously-refreshing scan of every service advertised on your local network • 158 service types recognized out of the box, grouped into navigable categories • Tap any service to see its IP addresses, port, host name, TXT records, and protocol details • The list organizes itself into sections — one per device, or one per service type with a short description of the type when you sort by name • Filter and sort by name, category, or transport layer, and search across everything the scan has found BROADCAST • Publish your own service from your device in a few taps • Pick from the built-in library or define a custom type with your own TXT records • Watch it appear on neighboring devices the same instant ASK • A built-in assistant explains any service, or answers questions about your network in plain language • On-device Apple Intelligence by default — no cloud trip, no account, no servers • Or bring your own key for Anthropic Claude or Google Gemini when you want a bigger model • Each provider's model picker loads the models your key can actually use, so new ones appear without waiting for an app update • The Chat tab takes on the colours of whichever assistant you've selected • Swap assistants any time in Settings SIRI AND SHORTCUTS • "Scan for services" and "List discovered services" work from Siri, the Shortcuts app, and Spotlight • Spoken phrases are localized in all eight supported languages DESIGNED FOR EVERY SCREEN • Native SwiftUI on iPhone, iPad, Mac, and Apple Vision Pro — one app, built for each • Landscape and wide layouts, including the iPhone's inner display when unfolded, where the list and detail pane open side by side • Context menus for copying names, full type strings, IP addresses, and TXT records • A slow ambient colour wash behind every tab, with a switch in Settings to turn it off • Light, dark, and Increase Contrast appearances all native • Full keyboard navigation, VoiceOver labels on every control, and Dynamic Type throughout PRIVACY • Apple Intelligence runs entirely on device — your network details never leave it • Cloud assistant API keys live in the Keychain, locked to this device and never synced to iCloud • Requests are sent with storage turned off where the provider supports it, so no copy of your conversation is kept • No accounts, no telemetry, no servers of our own — KozBon is just an app Localized in English, Spanish, French, German, Japanese, Simplified Chinese, Arabic, and Hebrew, with full right-to-left layout support.
Screenshots
Verdict
The clearest difference is review sentiment: KozBon at 100% against EarthLink Mobile Communicator's 33%. KozBon also leads on rating (5.0 vs 2.5) and update cadence (every 9 days vs every 7 months). EarthLink Mobile Communicator's advantage is iOS requirement (9.0 vs 26.0). On price, ratings volume, ads and in-app purchases 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.
KozBon holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 33% of EarthLink Mobile Communicator's written reviews are positive against 100% of KozBon's.
EarthLink Mobile Communicator ships an update every 7 months, KozBon every 9 days. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.
| Parameter | EarthLink Mobile Communicator | KozBon |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 5 — better |
| Update frequency | Every 7 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Vision Pro — better |
| Requires iOS | 9.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 164 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | EarthLink LLC | Kozinga |
Customer experience
EarthLink Mobile Communicator
KozBon
In-app purchases
EarthLink Mobile Communicator
No in-app purchases
KozBon
No in-app purchases
Questions
Is EarthLink Mobile Communicator free?
Is KozBon free?
Which has better reviews, EarthLink Mobile Communicator or KozBon?
Do EarthLink Mobile Communicator or KozBon have ads?
Which is updated more often, EarthLink Mobile Communicator or KozBon?
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