KozBon vs Phage Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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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Discover, broadcast, and understand every Bonjour service on your network — with AI-powered insights built in. KozBon scans your local network in real time and shows you every Bonjour (mDNS/DNS-SD) service nearby: printers, smart-home devices, media streamers, development tools, and more. Tap any service for full details — hostnames, IP addresses, ports, and TXT metadata — or long-press for an AI-generated explanation of what it does and why it's on your network. DISCOVER & INSPECT • Live network scanning with animated status indicators • Smart detection of network connectivity — clear guidance when Wi-Fi is off or unavailable • Filter by category: Smart Home, Apple Devices, Media & Streaming, Printers & Scanners, Remote Access • Search across all discovered services • Full service details: hostnames, IP addresses, transport layer, and TXT record metadata • Copy any value with a long-press — service names, IPs, type strings, TXT keys BROADCAST YOUR OWN SERVICES • Publish custom Bonjour services with configurable name, port, domain, and TXT records • Edit TXT records on live services • Best-practice guidance built into every form field 110+ SERVICE TYPE LIBRARY • Pre-configured library covering HTTP, SSH, AirPlay, HomeKit, IPP, Matter, Thread, and more • Filter the library by category • Create and persist your own custom service types with IANA-format identifiers AI-POWERED INSIGHTS — YOUR CHOICE OF ENGINE • Insights: Long-press any service for a streaming Markdown explanation of what it does and how to interact with it • Chat: Conversational assistant grounded in your live network — ask about discovered services, what they do, and how your network is configured • Choose your AI backend in Settings: — Apple Intelligence (default): Runs entirely on-device. No data leaves your phone or Mac. Available on Apple Intelligence-eligible hardware. — Anthropic Claude (opt-in): Sign in with your own API key for more detailed responses. Choose between Claude Opus, Sonnet, or Haiku. Works on any device, even older hardware without Apple Intelligence. • Smart context: The assistant knows whether scan results are fresh or stale and hedges accordingly • Actionable error banners with clear steps to resolve issues LOCALIZED IN 8 LANGUAGES • English, Spanish, French, German, Japanese, Chinese (Simplified), Arabic, and Hebrew • Full right-to-left support for Arabic and Hebrew DESIGNED FOR EVERY APPLE DEVICE • iPhone, iPad, Mac, and Apple Vision Pro • Liquid Glass design on iOS 26 and macOS 26 • Full VoiceOver and Dynamic Type accessibility support • Haptic feedback throughout the experience PREFERENCES & CUSTOMIZATION • Choose AI detail level (Basic or Technical) • Configure Insights visibility • Manage custom service types • Reset to defaults with one tap KozBon is free and contains no ads. Your API key for Anthropic Claude (if used) is stored securely in the iOS Keychain and never leaves your device.
Phage Study
Access information about clinical studies focused on using bacteriophages to combat multi-drug resistant infections. This utility provides details on ongoing research and treatment approaches.
- Clinical study information
- Phage therapy details
- Multi-drug resistant infections
- Research updates
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Provide information regarding APT's clinical studies using phage to treat multi drug resistant infections.
Screenshots
Verdict
The clearest difference is update cadence: KozBon at every 2 weeks against Phage Study's every 5 months. KozBon also leads on ratings volume (5 vs 1). Phage Study's advantage is iOS requirement (13.0 vs 26.0). On price, rating, 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.
On the App Store both sit at effectively the same score — 5.0 for KozBon against 5.0 for Phage Study. That said, the two scores are not equally well evidenced: KozBon has 5 ratings behind it against 1, so its average is the more settled of the two.
KozBon ships an update every 2 weeks, Phage Study every 5 months. The most recent releases landed on October 6, 2026 and October 18, 2026 respectively.
| Parameter | KozBon | Phage Study |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 2 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 26.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 59 MB |
| Age rating | 4+ | 17+ |
| Developer | Kozinga | Adaptive Phage Therapeutics, Inc |
Customer experience
KozBon
Phage Study
In-app purchases
KozBon
No in-app purchases
Phage Study
No in-app purchases
