Comparison

Heartbeat Chat vs Mastermind19

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

Head to head
About

Heartbeat Chat

Build and manage your online communities with a versatile platform. Engage members through chat, voice, and video, and create a knowledge base for lasting discussions. Integrate with other tools to automate actions and track growth.

Highlights
  • Customizable channels for chat and posts
  • Voice rooms for real-time conversations
  • Presence indicators for a shared room feel
  • Knowledge base creation from discussions
  • Integration with Zoom, Google Calendar, Salesforce, etc.
  • Automated community match-ups and intros
  • Permission management and payment processing
Features
Read full description

Heartbeat is the home for all your online communities. Create a space where you and your community can have fun through chats, threads, voice, and video. Heartbeat works great for online schools, accelerators, incubators, paid communities, innovations hubs, support groups, and so much more! Whether its a massive, established community, or you're just getting started, Heartbeat makes it easy to build lasting, genuine relationships. LAUNCH AN INVITE-ONLY COMMUNITY SPACE: - Customize channels to use posts or chats and design a space just for you and your community to have deep discussions about how the world is changing or just to share the best restaurants in Atlanta. - Voice rooms help you take your conversations to the next level — jump into a voice room with 1 click - Presence indicators floating around the app show you where other people are, and make it feel like you're in the same room CREATE A LASTING LIBRARY OF KNOWLEDGE - Turn insightful posts into long-lasting knowledge base articles & grow your community off the great conversations that happen - Organize information vital to your community members & create a space they can always reference for the best information - Manage access through powerful permissioning tools native to Hearbeat SCALE YOUR COMMUNITY LIKE A BOSS - Use deep integrations with Zoom, Google Calendar, Salesforce, Hubspot, Airtable, and more to automate community actions & track deep analytics over time to see how your community is growing - Automate in-community match-ups and conversations through customizable, weekly Heartbeat intros - Create moderators, special access permissions, manage payments, oversee projects & more within your customizable community space

About

Mastermind19

This private, invitation-only app connects business-building golfers. Browse and book golf trips, track tournament standings, and connect with members through a community feed and direct messaging. Manage your membership, shop for merchandise, and coordinate event details.

Highlights
  • Browse and book curated golf trips
  • Track M19 Cup standings
  • Connect with members via community feed
  • Direct and group messaging
  • Member wallet for transactions
  • Access guest profiles for events
Read full description

Mastermind19 is a private, invitation-only club for golfers who build businesses — and the app is where the membership lives. GOLF TRIPS Browse the season's curated trips to premier courses across the country. Book your spot in seconds, add a guest, choose your upgrades, and pay with your member wallet or card on file. Every detail — itinerary, hotel, courses, tee times — lives in your pocket. THE M19 CUP Every event counts. Follow the season-long M19 Cup standings, track your position in the Gross and Net divisions, browse past seasons, and count down to The Championship. COMMUNITY A network worth the trip. Share wins in the community feed, find members by market or industry on the member map, and join industry groups that match your world. MESSAGES Direct messages, group chats, and event chats that bring each trip's group together before you arrive — planning, travel coordination, and tee-time talk included. MEMBER WALLET Load credit, track every transaction, and book trips without pulling out a card. Your balance, your history, all transparent. CLUB SHOP Member merchandise, shipped to your door. BRINGING A GUEST? Guests invited on a trip get their own app access for the event — the group chat, the scorecards, the full experience. --- Membership in Mastermind19 is by invitation. If you've received an invite, tap the link in your email to set up your account. Interested in joining? Visit mastermind19.com.

Screenshots

Heartbeat Chat4 screens
Mastermind193 screens

Verdict

The call

The clearest difference is review sentiment: Mastermind19 at 100% against Heartbeat Chat's 41%. Mastermind19 also leads on rating (5.0 vs 4.0) and update cadence (every 4 days vs every 5 weeks). Heartbeat Chat's advantage is ratings volume (136 vs 2) and iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Mastermind19 holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Heartbeat Chat has 136 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 41% of Heartbeat Chat's written reviews are positive against 100% of Mastermind19's.

UpkeepUpdate frequency

Heartbeat Chat ships an update every 5 weeks, Mastermind19 every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Heartbeat Chat versus Mastermind19: the parameters behind the verdict, then further details
ParameterHeartbeat ChatMastermind19
PriceFreeFree
Rating4.0 (136 ratings)5.0 (2 ratings) — better
Positive reviews40.9% of reviews100.0% of reviews — better
Number of ratings136 — better2
Update frequencyEvery 5 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better18.0
Further details — not scored
Size78 MB29 MB
Age rating4+17+
DeveloperHeartbeat Chat, IncJoel Kern

Customer experience

Heartbeat Chat

All ratings135 ratings
Positive70.4%
Neutral5.9%
Negative23.7%
Written reviews66 reviews
Positive40.9%
Neutral12.1%
Negative47.0%

Mastermind19

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Heartbeat Chat

Reported bugs

40 issues
  • Audio playback stops when phone locks
  • Users struggle with logging in
  • App is not optimized for iPad, especially in landscape view
  • Invasion of privacy concerns regarding photo access
  • Notifications are inconsistent and important messages are missed
Show 35 more
  • Auto-subscriptions and difficulty with cancellation
  • App performance is non-existent, leading to slow loading and unresponsiveness
  • Content overlaps
  • Tiny frame on iPad, displaying a mobile view
  • Forced photo upload during sign-up
  • Email already in use error after providing email
  • Courses are inaccessible
  • Slow response from support
  • App fails to update
  • Unable to access community
  • Unable to cancel subscription
  • Charged without consent
  • App not working on iPhone
  • App freezes frequently
  • White screen issues upon opening the app
  • App does not function correctly
  • Messages not sending when the send button is tapped
  • App doesn't work on tablets
  • Phantom notifications causing frustration
  • App crashes frequently
  • Jank and unstable performance
  • App shows it has posted but it never publishes
  • Notifications and Activity pages have major glitches and don't refresh
  • Unable to pull down the Activity page to refresh
  • App started messing up immediately, unable to access anything
  • App asks for information, then shows an error that it cannot find the channel
  • App loads but nothing is tappable or responsive
  • App is constantly freezing
  • App crashes after iOS update
  • App shows communication but refuses to show what it is
  • App shows a white screen and is unusable
  • App shows a white screen and is garbage
  • App shows it has posted but it never published the comment
  • Notifications are funky and make zero sense
  • App doesn't work correctly on iPhone

Requested features

17 requests
  • Allow audio to play while phone locks
  • Improve iPad optimization, especially in landscape view
  • Fix the app icon to not resemble a dating app
  • Allow users to change their RSVP to an event after confirming
  • Enable users to join public threads via the app
Show 12 more
  • Improve image embedding, especially on mobile
  • Reduce excessive white space
  • Fix notification logic
  • Improve image insertion functionality
  • Add permalinks to the app
  • Allow location changes within the app
  • Fix phantom notifications
  • Enable profile editing
  • Fix the login process for users
  • Make the app work on tablets
  • Improve backend setup on mobile
  • Allow deletion of communities on mobile

Mastermind19

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Heartbeat Chat

No in-app purchases

None

Mastermind19

No in-app purchases

Questions

Is Heartbeat Chat free?
Heartbeat Chat is free to download, with no in-app purchases.
Is Mastermind19 free?
Mastermind19 is free to download, with no in-app purchases.
Which has better reviews, Heartbeat Chat or Mastermind19?
Mastermind19 is rated higher. Heartbeat Chat averages 4.0 out of 5 from 136 ratings, while Mastermind19 averages 5.0 from 2 ratings.
Do Heartbeat Chat or Mastermind19 have ads?
Neither Heartbeat Chat nor Mastermind19 shows ads.
Which is updated more often, Heartbeat Chat or Mastermind19?
Heartbeat Chat ships an update every 5 weeks, and Mastermind19 every 4 days. Most recently, Heartbeat Chat was updated on November 3, 2026 and Mastermind19 on October 31, 2026.

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