# Symphony Messaging vs 600 Washington

The clearest difference is update cadence: Symphony Messaging at monthly against 600 Washington's every 4 months. 600 Washington's advantage is iOS requirement (16.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Symphony Messaging ships an update monthly, 600 Washington every 4 months. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Symphony Messaging | 600 Washington |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/symphony-messaging/id1098963705/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 47.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | — |
| Size | 91 MB | 80 MB |
| Requires iOS | 18.2 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Symphony Communication Services LLC](https://appshunter.io/developer/994389174) | [600 Washington Acquisitions, LLC](https://appshunter.io/developer/1718966263) |

## What reviewers say

### Symphony Messaging

[App page](https://appshunter.io/ios/app/symphony-messaging/id1098963705)

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:** Vision Pro support

**In-app purchases:** none


### 600 Washington

[App page](https://appshunter.io/ios/app/600-washington/id6473451896)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Symphony Messaging free?

Symphony Messaging is free to download, with no in-app purchases.

### Is 600 Washington free?

600 Washington is free to download, with no in-app purchases.

### Do Symphony Messaging or 600 Washington have ads?

Neither Symphony Messaging nor 600 Washington shows ads.

### Which is updated more often, Symphony Messaging or 600 Washington?

Symphony Messaging ships an update monthly, and 600 Washington every 4 months. Most recently, Symphony Messaging was updated on October 14, 2026 and 600 Washington on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*