Publisher & Media Owner · vs · Publisher & Media Owner

ACSI

Acast vs SiriusXM

Structured technology and market comparison · 2026

Direct Feature Comparison

Acast · vs · SiriusXM
Primary Market / Role
AcastPublisher & Media Owner
SiriusXMPublisher & Media Owner
Platform Focus
Acast

Podcast hosting and advertising marketplace for creators, publishers and brands.

SiriusXM

Subscription audio platform with advertising and specialist data services.

Company Size
Acast201–500 employees
SiriusXM>5,000 employees
Headquarters
AcastSE
SiriusXMUS
Year Founded
Acast2014
SiriusXM1990

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Comparison Analysis

What is the main difference between Acast and SiriusXM?

Acast operates as a specialized podcast infrastructure provider, focusing on open-ecosystem distribution and marketplace monetization for independent creators and publishers. In contrast, SiriusXM functions as a vertically integrated media giant, leveraging proprietary satellite and streaming networks to deliver subscription-based premium content. While Acast scales through digital ad-tech for audio, SiriusXM prioritizes a closed-loop subscription model combined with diversified data services for enterprise verticals.

How do the features of Acast and SiriusXM compare?

Acast’s product suite centers on podcast hosting, CMS, and programmatic advertising tools designed for creators to manage and monetize content globally. SiriusXM provides a broad consumer audio platform integrated with specialized B2B services, including music for business and aviation data. While Acast offers superior podcast-specific analytics and distribution tools, SiriusXM provides unique proprietary hardware integration and satellite-based connectivity that Acast lacks in its purely digital model.

What are the top alternatives to Acast and SiriusXM?

When evaluating Acast and SiriusXM, enterprise buyers also consider other platforms in Video Streaming Platform, Podcasts, and Audio Ads. You can discover the full competitive landscape and evaluate other alternatives by viewing their respective footprint profiles on Polaris7.

Market Signals

Recent Market Signals & Activity: Acast vs SiriusXM

Documented market movements, strategic partnerships, product releases, and regulatory developments mapped across Polaris7.

AC

Acast

Recent Signals

  • ·onlinemarketing.dePodcast Advertising

    Podcast Day 2026: Spotify, Acast Reveal Audio-Video Trends

    On International Podcast Day, new reports from Spotify and Acast highlight the growing convergence of audio and video in podcasting. Spotify's Culture Next 2026 report, focusing on Gen Z, reveals a 55% increase in video share among 14-18 year olds in Germany over 18 months, coining the trend 'Eye Pods'. Acast's Podcast Pulse 2026 survey, covering 4,500 fans across 13 markets, shows 88% of listeners also watch podcasts as video, and 63% switch formats mid-episode. Both studies emphasize the importance of social media clips for discovery, with 51% of fans finding new shows via social clips. Additionally, a brand podcast guide advises companies on strategic planning, resource allocation, and long-term commitment, emphasizing relationship-building over short-term metrics.

    • Spotify's Culture Next 2026 report shows a 55% increase in video share of podcast streams among 14-18 year olds in Germany over 18 months.
    • Acast's Podcast Pulse 2026 survey of 4,500 podcast fans across 13 markets found that 88% also watch podcasts as video.
    • 63% of podcast fans have started an episode in one format and continued in another, with 75% switching apps or platforms.
  • ·Acast

    Acast appoints Liv Sandberg as EVP, Europe

    Senior commercial leader joins from TikTok to run Acast's European business. Announced September 9, 2026.

  • ·Acast

    Acast and Kit Partner to Fuel Creator Expansion Across Podcasts and Newsletters

SI

SiriusXM

Recent Signals

  • ·SiriusXM

    Talking Heads Launch Exclusive SiriusXM Channel Celebrating 50 Years of Music

    SiriusXM announces new exclusive channels and programming, including Talking Heads Radio, SCREAM Radio for Halloween, and a Sylvester Stallone Front Row special on Radio Andy.

  • ·https://www.iab.com/blog/feed/Podcast Advertising

    IAB Podcast Upfront Recap: Creators, Surfaces, Consolidation, Measurement

    The 2026 IAB Podcast Upfront highlighted the maturation of the podcast industry, characterized by four key themes: the centrality of creators, the diversification of distribution surfaces, consolidation in buying infrastructure, and measurement challenges. Podcasts now span RSS, YouTube, Spotify video, FAST, VOD, social clips, and live events, with audiences following creators across these formats. Buyers are increasingly able to purchase podcast inventory through consolidated pipes, such as Amazon's DSP aggregating supply from SiriusXM, Spotify, Acast, and iHeart. However, measurement remains hindered by inconsistent definitions across platforms, with YouTube's zero-second view inflating counts by ~1.8x, and difficulty measuring ROI being the top buyer concern. The industry is building momentum towards standardizing metrics like clips, views, plays, and sessions to increase buyer confidence and scale investment.

    • The 2026 IAB Podcast Upfront took place on September 25, 2026.
    • 81% of listeners say a clip led them to a specific episode.
    • Adding visuals to an audio ad lifted unaided awareness from 39% to 68%.
  • ·AdExchangerAudio

    Programmatic Podcast Ads Surge, but Ad Load Control Becomes Critical

    The digital audio market is increasingly programmatic, with dynamically inserted podcast ads leading the way. However, this growth brings concerns about ad overload. At the IAB Podcast Upfront and Sounds Profitable Business Summit, industry leaders discussed the need for frequency capping and preserving listener trust. Amazon DSP integrated inventory from SiriusXM, Spotify, Acast, and iHeart Radio, expanding programmatic access. Agencies now use a 70/30 mix of host-read and programmatic ads. Spotify's 'skip ahead' button testing highlights the risk of ad fatigue. Experts advise focusing on performance measurement and avoiding intrusive formats that abuse the listener-advertiser value exchange. The IAB reported $8.4 billion in digital audio ad revenue for 2025, with continued growth expected.

    • Digital audio ad revenue reached $8.4 billion in 2025, up 10.2% from 2024.
    • 82% of ad agencies now buy audio programmatically, up from 41% in 2022.
    • Amazon DSP integrated podcast inventory from SiriusXM, Spotify, Acast, and iHeart Radio in 2026.

Compare their exact ecosystem overlaps.

Explore all deep relationships in Polaris7. Discover exactly which mutual clients, integrated technologies, and overlapping partners Acast and SiriusXM share across the market ecosystem.