Comparison

Symphony Messaging vs 550 Madison

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

Head to head
About

Symphony Messaging

Secure and compliant messaging for global finance professionals. Connect with a large community, integrate with other apps, and maintain compliance on the go. Offers end-to-end encryption and robust security features.

Highlights
  • Secure and compliant messaging
  • Global finance platform
  • Internal and external communication
  • Interoperability with critical applications
  • End-to-end encryption
  • Active surveillance and data loss protection
  • Federation with external networks
Features
Read full description

Symphony Messaging is the leading secure and compliant messaging platform built for global finance. Accelerate internal and external workflows with confidence and reduce the risk of off-channel communication through the platform’s redundant architecture, borderless community and interoperability with critical applications that simplify and streamline complex tasks. With the Symphony Messaging mobile app, conversations continue away from the desk - offering flexibility to securely connect with everyone you need, while on the move. Community • Connect with a community of over half a million users, both internally and externally, while maintaining global organizational controls. Federation • Compliance-enabled mobile communication across key external networks such as WhatsApp, WeChat, SMS, LINE, and voice. • Symphony Virtual Numbers provide employees a convenient, centralized and compliance-friendly hub for communication across mobile voice, SMS and messaging applications. Compliance • Active surveillance, data loss protection, and internal/external expression filters. Security • Secure data with standard end-to-end encryption, and flexible hardware and cloud-based deployment options. Stability • Redundant architecture and real-time monitoring ensures continuity of critical financial workflows. Symphony is a communication and markets technology company powered by interconnected platforms: messaging, voice, directory and analytics. The modular technology - built for global finance - enables over 1,000 institutions to achieve data security, navigate complex regulatory compliance and optimize business interactions.

About

550 Madison

This app serves as a virtual hub for building tenants, offering access to exclusive amenities and services. It facilitates reservations for event spaces, dining, and fitness facilities, while also streamlining visitor access and work orders.

Highlights
  • Access building amenities
  • Book event spaces and dining
  • Fitness and wellness services
  • Visitor access control
  • Work order management
  • Concierge services
Features
Read full description

The 550 Madison app is the virtual space dedicated to 550 tenants and their workplace. 550 Madison is one of the great standouts along the Manhattan skyline and the app is no different. The building will be defined by a completely customized amenity program comprised of dramatic double height events spaces, intimate dining areas, flexible social spaces, a fitness and wellness facility, and the largest green space in Midtown East. Our state-of-the-art app allows tenants to access 550 Madison’s spectacular amenities and world-class services, including: •Luxury concierge services •Bespoke events •Farm fresh food at the Café •Grand Hall Barista and Wine Bar •Library curated by Assouline •Conference Center and Amenity Reservations •Fitness and wellness services •Streamlined Visitor Access Control and Work Order Management systems

Screenshots

Symphony Messaging2 screens
550 Madison4 screens

Verdict

The call

The clearest difference is rating: 550 Madison at 4.3 against Symphony Messaging's 3.4. 550 Madison also leads on iOS requirement (16.0 vs 18.2). On price, ratings volume, update cadence and ads 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

550 Madison holds the better App Store score, 4.3 against 3.4. Both are backed by a comparable volume of ratings — 5 and 11 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 8 level
Symphony Messaging versus 550 Madison: the parameters behind the verdict, then further details
ParameterSymphony Messaging550 Madison
PriceFreeFree
Rating3.4 (5 ratings)4.3 (11 ratings) — better
Positive reviews47.6% of reviews—
Number of ratings511 — better
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.216.0 — better
Further details — not scored
Size91 MB207 MB
Age rating4+4+
DeveloperSymphony Communication Services LLCOAC 550 OWNER LLC

Customer experience

Symphony Messaging

All ratings5 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews42 reviews
Positive47.6%
Neutral7.1%
Negative45.2%

550 Madison

All ratings11 ratings
Positive81.8%
Neutral0.0%
Negative18.2%

In-app purchases

None

Symphony Messaging

No in-app purchases

None

550 Madison

No in-app purchases

Questions

Is Symphony Messaging free?
Symphony Messaging is free to download, with no in-app purchases.
Is 550 Madison free?
550 Madison is free to download, with no in-app purchases.
Which has better reviews, Symphony Messaging or 550 Madison?
550 Madison is rated higher. Symphony Messaging averages 3.4 out of 5 from 5 ratings, while 550 Madison averages 4.3 from 11 ratings.
Do Symphony Messaging or 550 Madison have ads?
Neither Symphony Messaging nor 550 Madison shows ads.
Which is updated more often, Symphony Messaging or 550 Madison?
Symphony Messaging ships an update monthly, and 550 Madison monthly. Most recently, Symphony Messaging was updated on October 14, 2026 and 550 Madison on October 3, 2026.

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