ChatLink DUO vs KnocKnow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChatLink DUO
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Collaboration tool for Dalton Utilities / OptiLink
KnocKnow
This app analyzes property data to identify high-conversion doors for door-to-door sales. It helps users find the best areas to work by applying filters for property type, age, and ownership. Maximize your sales efforts by focusing on the most promising leads.
- Property data analysis
- ZIP code and address search
- Customizable property filters
- Map-based zone highlighting
- D2D sales route optimization
- Data-backed sales decisions
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Stop wasting time knocking the wrong doors. KnocKnow analyzes millions of property data points to show you exactly where to knock. Search any ZIP code or address, apply filters that match your ideal property, and instantly see the best zones to work — right on the map. Whether you sell solar, roofing, pest control, security, or anything door-to-door, Knocknow helps you skip the dead ends and focus on doors that actually convert. Now available in the contiguous United States How it works: - Search by ZIP code or address - Set filters that match your ideal property — home age, property type, ownership, and more - KnocKnow highlights the best zones to knock based on real property data Built for D2D sales reps who want to: - Spend less time driving around guessing - Hit higher-quality doors from the first knock - Cover new territories without local knowledge - Back every route decision with real data Your time is your money. Stop guessing. Start KnocKnowing."
Screenshots
Verdict
The clearest difference is in-app purchases: ChatLink DUO at none against KnocKnow's 2. ChatLink DUO also leads on ads (none vs shown) and device support (3 vs 1). KnocKnow's advantage is update cadence (every 3 weeks vs every 46 months). On price 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. KnocKnow sells 2 in-app purchases, starting at $99.99 per month. ChatLink DUO asks for nothing beyond the download.
ChatLink DUO ships an update every 46 months, KnocKnow every 3 weeks. The most recent releases landed on September 25, 2026 and October 2, 2026 respectively.
| Parameter | ChatLink DUO | KnocKnow |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 46 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17 |
| Further details — not scored | ||
| Size | 61 MB | 42 MB |
| Age rating | 9+ | 4+ |
| Developer | Dalton Utilities / OptiLink | KnocKnow LLC |
In-app purchases
ChatLink DUO
No in-app purchases
KnocKnow
- KnocKnow3 Days trial$99.991 Month
- KnocKnow$899.001 Year
