Comparison

Constant Contact vs Supra One

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

Head to head
About

Constant Contact

This app is an all-in-one marketing platform for small businesses. It allows users to create and manage email, social media, and SMS campaigns, track performance, and streamline contact management with a built-in CRM. Get started quickly with intuitive tools and AI assistance for content generation.

Highlights
  • Create professional email campaigns
  • Track campaign performance
  • Streamline contact management (CRM)
  • Compose social posts
  • Manage brand assets on the go
  • AI content assistance
Features
Read full description

Join the thousands of small business marketers who rated Constant Contact a Top 50 Marketing and Digital Advertising Software and Top 100 Global Software Company on G2 in 2025! Drive sales, monitor campaigns and manage contacts on the go! Constant Contact is an all-in-one marketing platform built for small businesses. The Constant Contact mobile app is the perfect companion app and helps you connect with your audience, manage campaigns, and grow your business from anywhere. With an intuitive design and powerful email, social and SMS marketing tools, you can get started in minutes! CREATE PROFESSIONAL EMAIL CAMPAIGNS • Design newsletters and promotional emails optimized for mobile • Edit and schedule emails, even when you are away from your computer • Generate content for announcements, newsletters, or promotions in a flash with AI assistance TRACK CAMPAIGN PERFORMANCE • Track your email campaigns, newsletters, and automations from anywhere • Monitor open, clicks, and engagement rates as they’re happening • Track your subscriptions in real-time and watch your number of contact profiles grow • Refine your strategy based on reports & analytics for email and social STREAMLINE CONTACT MANAGEMENT WITH A MARKETING CRM • Import new contacts directly from your mobile device • Access your contact profiles from anywhere • Capture new contact information with a built-in business card scanner • Segment your lists to send targeted emails • See who’s joined your list from landing pages and sign-up forms COMPOSE SOCIAL POSTS • Post to Facebook, Instagram & LinkedIn at once • Track engagement across social platforms, all from one place • Integrate email and social media efforts for broader reach MANAGE YOUR BRAND ON THE GO • Work from anywhere with content management at your fingertips • Capture and upload images directly from your mobile device • Store your organization’s logos and images in your library ACCESS AWARD-WINNING SUPPORT • Talk to a live representative when you need support • Access free training to increase ROI

About

Supra One

Manage real estate showings, lockbox access, and transactions in one app. Features include digital key access, scheduling tools, and transaction management with collaboration. Offers insights and analytics for smarter job completion.

Highlights
  • Digital lockbox key access
  • Showing management and scheduling
  • Managed access for non-members
  • Showing insights and analytics
  • Transaction management
  • Smart Offers comparison
Features
Read full description

Supra One is lockbox access, showing management, and more -- all in one place. BrokerBay is now Supra One.  Supra One is the hub to get your job done, featuring the smartest tools in real estate. Service options include*: • Digital key for Supra lockbox access (Invoy and BT LE). • Showing management and scheduling tools (formerly BrokerBay) • Managed access for non-members  • Showing insights and analytics • Appointment scheduling desk & live concierge • Transaction management with collaboration tools • Smart Offers with side-by-side comparison 
*Service availability varies by area. Contact your local Association/MLS/Board for details. Supra One is not for use with the legacy Supra system, including SupraWEB and SupraNET.

Screenshots

Constant Contact4 screens
Supra One4 screens

Verdict

The call

The clearest difference is rating: Constant Contact at 4.8 against Supra One's 1.2. Constant Contact also leads on review sentiment (34% vs 3%) and ratings volume (11K vs 101). Supra One's advantage is iOS requirement (16.4 vs 18.0). On price, update cadence, ads and in-app purchases 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

Constant Contact holds the better App Store score, 4.8 against 1.2. That said, the two scores are not equally well evidenced: Constant Contact has 11K ratings behind it against 101, so its average is the more settled of the two. Written reviews point the same way: 34% of Constant Contact's written reviews are positive against 3% of Supra One's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Constant Contact versus Supra One: the parameters behind the verdict, then further details
ParameterConstant ContactSupra One
PriceFreeFree
Rating4.8 (11K ratings) — better1.2 (101 ratings)
Positive reviews33.6% of reviews — better3.5% of reviews
Number of ratings11K — better101
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad — betteriPhone
Requires iOS18.016.4 — better
Further details — not scored
Size286 MB109 MB
Age rating4+4+
DeveloperConstant Contact, Inc.Supra

Customer experience

Constant Contact

All ratings10,671 ratings
Positive95.6%
Neutral2.2%
Negative2.2%
Written reviews146 reviews
Positive33.6%
Neutral5.5%
Negative61.0%

Supra One

All ratings101 ratings
Positive4.0%
Neutral1.0%
Negative95.0%
Written reviews462 reviews
Positive3.5%
Neutral1.9%
Negative94.6%

User reviews

Constant Contact

From 11K App Store ratings

What we love

  • 👍 Convenient mobile experience
  • 🚀 Efficient email scheduling
  • 💯 Exceptional customer service

Room to improve

  • 🐛 Buggy and unstable app
  • 🚫 Limited functionality compared to desktop
  • 💰 Expensive with questionable value

Supra One

From 101 App Store ratings

What we love

  • 🚀 Intuitive interface
  • 💡 Exclusive access to other board listings
  • 👍 Helpful for managing showings

Room to improve

  • 🐛 Frequent crashes and freezes
  • ⏱️ Extremely slow load times
  • 🤯 Unreliable and buggy
  • 😤 Forces app updates
  • 🤔 Lacking key features compared to competitors

Bugs and requests

Constant Contact

Reported bugs

3 issues
  • App crashes when accessing photo library
  • Inconsistent sync between app and website
  • Unreliable email delivery from mobile app

Requested features

3 requests
  • Ability to edit emails created on desktop
  • Improved mobile-friendly templates
  • Real-time contact and campaign analytics

Supra One

Reported bugs

3 issues
  • Login issues and lost credentials
  • Inconsistent performance across devices
  • Showing instructions not loading properly

Requested features

4 requests
  • Allow manual calendar integration
  • Improve notification system
  • Add MLS number display
  • Provide better admin functionality

In-app purchases

None

Constant Contact

No in-app purchases

None

Supra One

No in-app purchases

Questions

Is Constant Contact free?
Constant Contact is free to download, with no in-app purchases.
Is Supra One free?
Supra One is free to download, with no in-app purchases.
Which has better reviews, Constant Contact or Supra One?
Constant Contact is rated higher. Constant Contact averages 4.8 out of 5 from 11K ratings, while Supra One averages 1.2 from 101 ratings.
Do Constant Contact or Supra One have ads?
Neither Constant Contact nor Supra One shows ads.
Which is updated more often, Constant Contact or Supra One?
Constant Contact ships an update fortnightly, and Supra One fortnightly. Most recently, Constant Contact was updated on November 7, 2026 and Supra One on November 3, 2026.

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