Bid Mailers Mobile vs KnocKnow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bid Mailers Mobile
This tool automates the creation and sending of custom roof bids for roofing contractors. It measures roofs, calculates pricing, and generates professional bid packages with payment options and a QR code link to a landing page. Streamline customer outreach and close more deals efficiently.
- Automated roof measurement and pitch calculation
- Customizable bid compilation
- Direct printing and mailing of bids
- Inclusion of pricing, payment options, and services
- Unique QR code linking to landing pages
- Streamlined customer outreach
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Bid Mailers is a powerful tool designed for roofing contractors to automatically send custom roof bids quickly and efficiently. With the app, contractors can mark homes that need a new roof. Bid Mailers measures, determines the roof pitch, compiles the bids, prints, stuffs and sends the bid directly to the homeowner. The bids include detailed pricing, payment options, quote details, a contractor comparison page, additional services and a unique QR code linking to a custom landing page. Bid Mailers streamlines the process of customer outreach and helps contractors close more deals with ease. With an intuitive interface, sending bids to homeowners has never been easier.
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: Bid Mailers Mobile at none against KnocKnow's 2. Bid Mailers Mobile also leads on ads (none vs shown) and iOS requirement (15.1 vs 17). On price, rating, review sentiment and ratings volume 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. Bid Mailers Mobile asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Bid Mailers Mobile against 5.0 for KnocKnow. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Bid Mailers Mobile ships an update fortnightly, KnocKnow every 3 weeks. Both last shipped on October 30, 2026.
| Parameter | Bid Mailers Mobile | KnocKnow |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 | 3 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17 |
| Further details — not scored | ||
| Size | 43 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Bid Mailers | KnocKnow LLC |
Customer experience
Bid Mailers Mobile
KnocKnow
In-app purchases
Bid Mailers Mobile
No in-app purchases
KnocKnow
- KnocKnow3 Days trial$99.991 Month
- KnocKnow$899.001 Year








