Comparison

Harmony Decision Maker vs Knockline

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

Head to head
About

Harmony Decision Maker

This app guides users through complex choices with a structured, game-like approach. It helps individuals and organizations clarify problems and discover optimal solutions, fostering confident and efficient decision-making.

Highlights
  • Structured decision guidance
  • Game-like step-by-step process
  • Problem clarification
  • Solution discovery
  • Multi-language support
  • Global user base
Features
Read full description

Make Better Decisions: Do you ever wonder, "What should I do?" Whether you're a young student, a CEO, or anyone in between, Harmony Decision Maker is here to guide you through tough decisions. Your Personal Decision Assistant: Imagine a wise friend who walks you through difficult decisions. Our app does just that! It's structured like a game, with each level (or step) designed to help you clearly understand your problem and discover the best solution. Trusted Globally: 50,000 people across 175 countries have used our Harmony Decision Maker, making over 15,000 big decisions confidently. Families, businesses, and even big organizations use Harmony Decision Maker to help them make better, faster decisions. For Everyone, Everywhere: Our app speaks different languages, English and Spanish, just like our users. It's made for kids' curiosity and CEOs' big plans. Try It, Love It: Start with a fun 30-day trial. Then, pick a plan that suits you - pay monthly or save with a yearly plan. Even if you don't subscribe, you can still use some features for free. Award-Winning, People-Approved: Users love us, and experts do too! We've won awards for making decision-making as easy as playing a game but as powerful as a boardroom strategy. Ready to Make Great Decisions? Download Harmony Decision Maker now and turn "What should I do?" into "I know exactly what to do!" Terms of Use: https://webapp.harmonyapps.com/Home/Terms Privacy Policy: https://harmonyapps.com/privacy-policy

About

Knockline

This app helps door-to-door sales professionals track their progress in the field. Map neighborhoods, log door statuses and notes, and manage appointments. It works offline and syncs when a connection is available, with team leaderboards and practice training included.

Highlights
  • Offline door logging
  • Customizable territory maps
  • Lead status and notes
  • Appointment scheduling and reminders
  • Team leaderboards
  • AI-powered sales training
  • Exportable lead data
Features
Read full description

Knockline is built for the doors, not the office. Draw the neighborhood you're working and Knockline keeps score of every door inside it. Two taps per door: status and note. The map updates live. WORKS WITH NO SIGNAL Download the neighborhood before you go. Everything you log offline uploads itself when a connection returns. TERRITORY MAP Draw your turf, drop color-coded pins as you knock, and see exactly which doors are left. LEAD PIPELINE Every knock becomes a lead with notes, status, and history. Nothing lives in your head or a notepad. APPOINTMENTS AND FOLLOW-UPS Book on the pin and get reminded before it slips. Overdue, today, and upcoming at a glance. TEAM LEADERBOARD Join your crew with a code and race the board on sales, doors, appointments, and close rate. ASSIGNED TURF ONLY A manager assigns neighborhoods. Reps see the doors that are theirs to work, and nothing else. TRAINING THAT CLOSES D2D Foundations lessons plus a live AI homeowner to practice on. Graded coaching after every run. YOUR BOOK, EXPORTABLE Send your leads to CSV any time. Change teams or companies and your pipeline goes with you.

Screenshots

Harmony Decision Maker4 screens
Knockline4 screens

Verdict

The call

The clearest difference is rating: Knockline at 5.0 against Harmony Decision Maker's 4.3. Knockline also leads on in-app purchases (none vs 7) and update cadence (every 3 days vs every 3 months). Harmony Decision Maker's advantage is ratings volume (8 vs 1) and iOS requirement (12.0 vs 15.0). On price, ads and device support 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. Harmony Decision Maker sells 7 in-app purchases, starting at $2.49 per 7 days. Knockline asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Knockline holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Harmony Decision Maker has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 80% of Harmony Decision Maker's written reviews are positive against 100% of Knockline's.

UpkeepUpdate frequency

Harmony Decision Maker ships an update every 3 months, Knockline every 3 days. The most recent releases landed on October 26, 2026 and October 9, 2026 respectively.

Scorecard7 real differences · 3 level
Harmony Decision Maker versus Knockline: the parameters behind the verdict, then further details
ParameterHarmony Decision MakerKnockline
PriceFreeFree
Rating4.3 (8 ratings)5.0 (1 ratings) — better
Positive reviews80.0% of reviews100.0% of reviews — better
Number of ratings8 — better1
Update frequencyEvery 3 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size207 MB8 MB
Age rating4+4+
DeveloperGoldratt Research LabsMaximiliano Ballesteros

Customer experience

Harmony Decision Maker

All ratings8 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews10 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Knockline

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

7 purchases

Harmony Decision Maker

Subscriptions7
  • HDM 1 Week With Free Trial$2.497 Days
  • HDM 1 Month Subscription$3.491 Month
  • HDM 1 Month Subscription$6.991 Month
Show 4 more
  • HDM 1 Month With Free Trial1 Month trial$6.991 Month
  • HDM 12 Months Subscription1 Month trial$19.991 Year
  • HDM 12 Months Subscription1 Month trial$24.001 Year
  • HDM 12 Months With Free Trial1 Month trial$24.001 Year
None

Knockline

No in-app purchases

Questions

Is Harmony Decision Maker free?
Harmony Decision Maker is free to download, with in-app purchases available.
Is Knockline free?
Knockline is free to download, with no in-app purchases.
Which has better reviews, Harmony Decision Maker or Knockline?
Knockline is rated higher. Harmony Decision Maker averages 4.3 out of 5 from 8 ratings, while Knockline averages 5.0 from 1 ratings.
Do Harmony Decision Maker or Knockline have ads?
Neither Harmony Decision Maker nor Knockline shows ads.
Which is updated more often, Harmony Decision Maker or Knockline?
Harmony Decision Maker ships an update every 3 months, and Knockline every 3 days. Most recently, Harmony Decision Maker was updated on October 26, 2026 and Knockline on October 9, 2026.

Other comparisons