I need a podcast player that supports chapter markers and does not insert its own ads.

If your two requirements are:

1. Supports podcast chapter markers (embedded chapters, Podcast Index/Podlove chapters, etc.)
2. Does not insert its own ads into your listening experience

these are good options:

Player	Platforms	Chapter support	App-inserted ads?	Notes
Pocket Casts	iOS, Android, Web, Desktop	Yes — supports creator chapters and several chapter formats	Free tier has a visual banner ad; paid tiers remove it	One of the strongest chapter implementations; chapter navigation is built into the player.Pocket Casts Support+1
Overcast	iPhone, iPad, Apple Watch	Yes — supports MP3/M4A chapter markers	Free tier shows small visual ads; subscription can hide them	Excellent iOS player; supports chapter titles, images, and links.Overcast+1
Apple Podcasts	Apple devices	Yes	No app-inserted ads	Uses chapters supplied by creators and can also create automatic chapters in some cases.Apple Podcasts
opencast	iPhone/iPad	Yes (including generated chapters in some cases)	No ads of its own	Open-source, RSS-based, and explicitly states it has no ads or tracking SDKs.App Store

My shortlist based strictly on your criteria:

• Best overall (cross-platform): Pocket Casts Plus/Patron — strong chapter handling and no visual ads after upgrading.Pocket Casts Support+1
• Best if you use Apple devices and want no app ads: Apple Podcasts.Apple Podcasts
• Best if you want a privacy/open-source option: opencast.App Store
• Best iPhone-only alternative: Overcast with the ad-hiding subscription.Overcast

One caveat: a player usually cannot remove ads that are baked into the podcast audio itself (host-read sponsors or dynamically inserted ads from the publisher). The “no ads” requirement mainly applies to the player app adding its own promotions.

To get straight to a technical reality about podcast apps: no legitimate podcast player injects its own unsolicited audio or dynamic ads into the audio files you download. When an ad plays mid-episode, it is almost universally coming directly from the creator’s RSS feed/host (via Dynamic Ad Insertion) or baked into the audio file itself.reddit.com

However, apps do differ drastically on whether they push annoying banner/promotional ads in their own user interfaces, track you, or support native chapter markers.

Here are the best podcast players that fully support chapter markers and are completely clean of in-app advertisements:

• 1. Overcast (iOS) – Widely considered the gold standard for chapter support on Apple devices. It cleanly displays chapter markers, links, and artwork (even in CarPlay). The app itself is free, and while it features a subtle, non-intrusive ad for other podcasts in the UI by default, you can completely turn it off or use it without invasive tracking. It never messes with your downloaded audio. You can download it via the App Store.reddit.com
• 1. AntennaPod (Android) – If you are on Android, this is a phenomenal open-source (FOSS) option. It has zero ads, zero user tracking, and completely free full feature access. It supports embedded chapter markers depending on the podcast feed. You can get it on the AntennaPod Website or Google Play Store.
• 1. Pocket Casts (Cross-platform / iOS & Android) – Excellent cross-platform player that supports native chapter markers (and even auto-generates them via AI if the creator didn't include them). The app interface is clean and doesn't insert audio ads into your feeds. (They do have optional subtle visual promotions for their Plus tier in-app, but it never touches your audio streams). Check it out on the Pocket Casts Site.
• 1. Downcast (iOS / macOS) – A powerful, feature-rich paid app that handles chapter markers exceptionally well. It is a traditional paid application rather than a subscription service, meaning no annoying UI ads or sponsored clutter. Find it on the App Store.

Are you looking for a player on iOS, Android, or desktop , and do you prefer an open-source/free tool or a paid premium app?

If your requirements are:

• Supports podcast chapter markers (e.g., Podcasting 2.0 chapters or embedded chapter metadata)
• Does not add its own ads (no app banners, forced promos, or inserted commercials)

these are good candidates:

Player	Platforms	Chapter support	App-inserted ads?	Notes
AntennaPod	Android	Yes	No	Open-source, RSS-first, no ads, supports chapters, OPML import/export, downloads, speed controls.Google Play
Anytime Podcast Player	iOS, Android	Yes	No	Open-source, ad-free, supports Podcasting 2.0 features including chapters and transcripts where available.Anytime Player
The Podcast App	iOS, Android	Yes	No	Offers chapters, OPML, offline downloads, and states it does not insert its own ads (though podcasts may contain creator-inserted ads).The Podcast App+1
opencast	iPhone/iPad	Yes	No	Open-source and privacy-focused; includes chapters/transcripts and focuses on skipping detected sponsor segments rather than inserting ads.apps.apple.com+1

A couple of notes:

• “No ads” usually means the app does not add ads. A podcast creator can still include sponsor messages in the audio file itself, or a hosting platform can dynamically insert them into the episode stream.The Podcast App
• If you use Android, I’d start with AntennaPod for a mature, fully open-source option.Google Play
• If you use iPhone, Anytime or opencast are worth looking at if you want an ad-free, RSS-based player.Anytime Player+1

If you tell me your device (iPhone, Android, desktop, or CarPlay/Android Auto use), I can narrow it down.

If by “does not insert its own ads” you mean the player itself should never inject advertising into your podcasts, I’d narrow it to these:

• Pocket Casts — best overall. It explicitly says it does not insert ads into episodes, and it supports chapter markers on iOS, Android, web, and desktop.Pocket Casts Support+2
• AntennaPod — best if you're on Android and want maximum control. It's free/open-source, has no app-inserted ads, and supports chapters.Podcast AdBlock+1
• Overcast — best iPhone alternative. It doesn't insert its own ads into episodes and has strong playback controls and chapter support.Podcast AdBlock+1

My pick: Pocket Casts. One important distinction: these apps won't add their own ads, but a podcast can still contain host-read or dynamically inserted ads from its publisher. Pocket Casts specifically explains that those come from the podcast creator/hosting provider, not Pocket Casts.Pocket Casts Support

If you tell me iPhone, Android, or both, I can give you the best 2–3 options for your platform.

Yes. If by “does not insert its own ads” you mean the player itself should never inject ads into podcast episodes, these are the best fits:

• AntennaPod — best if you use Android. It explicitly does not insert ads, is open-source, and supports podcast chapters. Any ads you hear are from the podcast feed/host, not AntennaPod.AntennaPod+2
• Pocket Casts — best cross-platform choice. It supports chapter navigation on iOS and Android, and Pocket Casts says it does not insert ads into episodes. However, the free app does display visual banner ads in the app UI; Plus/Patron removes those.Pocket Casts Support+3
• Overcast — good iPhone/iPad option. It supports MP3/M4A chapter markers, but the free version has visual promotional ads; a subscription can hide them.Overcast+1

My pick

If your priority is “no ads from the app + chapter markers”, I'd choose AntennaPod on Android. If you're on iPhone, I'd choose Pocket Casts Plus if you also want a completely ad-free app interface.

One important distinction: none of these can guarantee ad-free episodes. If a podcast publisher uses dynamic ad insertion, the player generally receives those ads as part of the audio feed.AntennaPod+1

If you tell me iPhone, Android, Windows/Mac, or multiple devices, I can narrow it down to the best 2–3 options.

Yes. Pocket Casts is probably the best fit for what you described.

• Chapter markers: It supports creator-provided chapters, including MP3/M4A chapters and chapters from Podcast Index/Podlove. You can tap a chapter to jump directly to it.Pocket Casts Support+1
• No ads inserted into episodes: Pocket Casts explicitly says it does not insert ads into podcast episodes. Ads you hear are from the podcast itself, including dynamically inserted ads from the podcast's hosting provider.Pocket Casts Support
• App's own advertising: The free version currently has visual banner ads in some parts of the app. Pocket Casts Plus/Patron removes those visual ads, but it does not remove ads contained in podcasts.Pocket Casts Support
• Platforms: iPhone/iPad, Android, web, and desktop.Pocket Casts

pocketcasts.com

One important distinction

If by “does not insert its own ads” you mean the player must never inject audio ads into the podcast, Pocket Casts meets that requirement. If you mean I want absolutely zero advertising anywhere in the app, get Pocket Casts Plus rather than using the free version.

Another option is Overcast on Apple devices; it supports MP3/M4A chapter markers, but its free version displays small visual promotional ads, which can be hidden with its subscription.Overcast+1

My pick: Pocket Casts Plus if you're on iPhone or Android and want chapters + no player-injected audio ads + a clean interface.

To get a clean listening experience with support for standard chapter markers (and no injected ads from the player itself), you want an app that acts purely as an RSS reader/player rather than an ad-driven media network.

(Note: No independent podcast player can block ads that the podcaster or their hosting provider hard-codes or dynamically inserts directly into the audio file download, but the apps below will never artificially inject their own promotional or commercial breaks into your stream.)

• Overcast (iOS)
  • Chapters: Excellent native support for podcast-provided chapter markers, including chapter links and artwork.
  • Ads: Does not insert its own audio ads into your downloads. The free version displays a subtle, non-intrusive banner ad for other podcasts in the UI, which can be removed entirely with Overcast Premium. It does not track you for ad targeting.
• Pocket Casts (Cross-platform: iOS, Android, Web)
  • Chapters: Fully supports embedded chapter markers so you can easily skip through sections.
  • Ads: Explicitly policy-guaranteed to never insert ads into your episodes. Any ads you hear are solely put there by the original creators. (Paid tiers unlock extra cloud features, but the core playback has zero injected ads).
• AntennaPod (Android)
  • Chapters: Supports chapter markers embedded in feeds.
  • Ads: Completely free, open-source, and 100% ad-free . Because the code is public and built by volunteers, there is zero monetization, tracking, or ad-injection.

Are you primarily listening on iOS or Android , and do you prefer an app that is completely free or open to a one-time/subscription unlock for extra features?