Pro-Ject Stream S2

Pro-Ject Stream S2

By Audio Tuning Vertriebs

Pro-Ject Stream S2 is a wireless control app for Pro-Ject audio hardware, enabling multi-room speaker grouping and streaming service management on iOS and Android.

The App DNA

What makes this app unique?

The app removes the need for phone tethering during high-fidelity playback, serving as a necessary bridge between mobile streaming libraries and Pro-Ject hardware.

For Owners of Pro-Ject Stream Box S2 audio hardware looking to manage multi-room speaker setups and wireless streaming.

What does it look like?

Key features

Multi-room Speaker Groupingstandard

Groups and ungroups multiple audio devices for synchronized playback over Wi-Fi.

Streaming Service Integrationedge

Streams music from third-party providers directly to speakers without phone tethering.

Preset Managementstandard

Saves and manages radio stations and music presets within the app interface.

How much does it cost?

freeFree app with no observable IAP or subscription gates

The app functions as a free utility to support hardware sales, with no direct monetization via subscriptions or ads.

Velocity

Dormant developmentopaqueShow more...

Development has ceased, with no new feature builds or updates released in over 1,100 days. The app remains in a state of total inactivity, as the last recorded update occurred in late 2023. There is no evidence of ongoing maintenance or support for current platform standards.

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Who built it?

Audio Tuning Vertriebs

4 apps tracked · Entertainment

Box ControlBox ControlPro-Ject HomePro-Ject HomePro-Ject ControlPro-Ject Control
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User Sentiment

What do users think recently?

Fresh user feedback skews frustrated. Users appreciate direct firmware support from the developer team provides a path to resolve complex login issues.

How are ratings & reviews evolving?

App Store
0.00 · 0
Google Play
0.00 · 0

What users say, by theme

What Users Love
  • Direct firmware support from the developer team provides a path to resolve complex login issues
What Frustrates Users
  • Streaming service integration fails frequently, preventing users from accessing their music libraries on the device
+ 2 more themes
What Users Want 1 request inside

11 of 11 recent reviews analyzed · moderate confidence · Frustrated overall

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Competition

Competitive landscape for Pro-Ject Stream S2

How's the Entertainment market?

Pro-Ject Stream S2 occupies a niche utility role for hardware owners, with no chart presence or active development. The lack of updates since 2023 signals a shift toward legacy support rather than competitive growth.

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The rivals identified

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The Analyst's Read

Key takeaways for Pro-Ject Stream S2

Where is it heading?

The market for dedicated hardware-control apps is consolidating around standardized streaming protocols that do not require constant mobile-side maintenance. Pro-Ject Stream S2 is increasingly exposed as a legacy utility, and its inability to keep pace with streaming API updates will continue to degrade the value of the associated hardware.

  • The 37-month release gap ensures that streaming service authentication will continue to break, driving users to abandon the hardware entirely.
  • Reliance on manual developer intervention for login issues indicates a lack of scalable support, which will accelerate churn as the user base grows.

The SWOT

Core Strengths
  • Hardware-dependent feature set creates a B2B distribution barrier for Pro-Ject audio equipment
Critical Frictions 2 weaknesses inside
Growth Levers
  • Native integration for streaming services would stabilize the listening experience
Market Threats 1 threat identified

Next best moves

1 Sunset

Sunset the mobile app and migrate control to a web-based interface because the current maintenance-only cadence cannot keep pace with streaming API updates → reduce user frustration

The counter-intuitive read

The app's failure to update is not a…

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Bottom line

Pro-Ject Stream S2 is effectively in sunset mode, as the 37-month update gap makes it unable to maintain basic streaming authentication. Migrating to a web-based control interface would remove the mobile-specific maintenance burden and stabilize the user experience.

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FAQ

Is Pro-Ject Stream S2 still being updated?
No, the app has not received a feature update since September 2023, and it is currently in a maintenance-only state.
Why does the app fail to find my speakers?
Users report frequent network discovery issues. If the app cannot identify your hardware, you may need to enter the device's IP address manually.
What should I do if Tidal or Qobuz stops working?
Streaming service integrations often fail due to the app's lack of recent updates. Some users report success after contacting the developer for manual firmware assistance.
Are there better alternatives for streaming to these speakers?
Users often request native streaming connect features, which are currently missing. Consider using the native apps of your streaming services if they support your hardware's network protocols.

Sources

  1. [1] Play Store listing
  2. [2] App Store listing

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Pro-Ject Stream S2, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Pro-Ject Stream S2 Intelligence Report.” Updated Oct 13, 2026. https://marlvel.ai/apps/pro-ject-stream-s2

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