Symphony Messaging vs 550 Madison
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- Access building amenities
- Book event spaces and dining
- Fitness and wellness services
- Visitor access control
- Work order management
- Concierge services
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.
| Parameter | Symphony Messaging | 550 Madison |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (5 ratings) | 4.3 (11 ratings) — better |
| Positive reviews | 47.6% of reviews | — |
| Number of ratings | 5 | 11 — better |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.2 | 16.0 — better |
| Further details — not scored | ||
| Size | 91 MB | 207 MB |
| Age rating | 4+ | 4+ |
| Developer | Symphony Communication Services LLC | OAC 550 OWNER LLC |
Customer experience
Symphony Messaging
550 Madison
In-app purchases
Symphony Messaging
No in-app purchases
550 Madison
No in-app purchases







