Comparison

Bid Mailers Mobile vs KnocKnow

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • Property data analysis
  • ZIP code and address search
  • Customizable property filters
  • Map-based zone highlighting
  • D2D sales route optimization
  • Data-backed sales decisions
Features
Read full description

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

Bid Mailers Mobile4 screens
KnocKnow4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Bid Mailers Mobile ships an update fortnightly, KnocKnow every 3 weeks. Both last shipped on October 30, 2026.

Scorecard4 real differences · 6 level
Bid Mailers Mobile versus KnocKnow: the parameters behind the verdict, then further details
ParameterBid Mailers MobileKnocKnow
PriceFreeFree
Rating5.0 (2 ratings)5.0 (3 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings23 — better
Update frequencyFortnightly — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better17
Further details — not scored
Size43 MB42 MB
Age rating4+4+
DeveloperBid MailersKnocKnow LLC

Customer experience

Bid Mailers Mobile

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

KnocKnow

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Bid Mailers Mobile

No in-app purchases

2 purchases

KnocKnow

Subscriptions2
  • KnocKnow3 Days trial$99.991 Month
  • KnocKnow$899.001 Year

Questions

Is Bid Mailers Mobile free?
Bid Mailers Mobile is free to download, with no in-app purchases.
Is KnocKnow free?
KnocKnow is free to download, with in-app purchases available.
Which has better reviews, Bid Mailers Mobile or KnocKnow?
Bid Mailers Mobile and KnocKnow are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.
Do Bid Mailers Mobile or KnocKnow have ads?
KnocKnow shows ads; Bid Mailers Mobile does not.
Which is updated more often, Bid Mailers Mobile or KnocKnow?
Bid Mailers Mobile ships an update fortnightly, and KnocKnow every 3 weeks. Most recently, Bid Mailers Mobile was updated on October 30, 2026 and KnocKnow on October 30, 2026.

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