Substack Podcast Sponsorships vs beehiiv Podcast Ads (2026)
Neither one can drop a sponsor into your episodes automatically yet. Substack opened early-access sign-ups for dynamic ad insertion on October 21, 2026, and beehiiv still labels its dynamic ads “Coming soon.” On both, the only sponsor you can run today is a read recorded into the episode. If you want ads you can swap across your whole back catalog right now, Captivate does it on every plan, and Transistor does it from its $49 Professional plan.
This post contains affiliate links, and we may earn a commission if you sign up through them, at no cost to you. See our Affiliate Disclosure.
We checked every status, fee, and plan limit on this page against the vendors’ own pages and IAB Tech Lab’s compliance list on October 26, 2026.
What did Substack announce for podcast sponsorships?
It’s a preview. Nothing has launched yet. Substack’s October 21 post says sponsorships “will soon be coming to podcasts hosted on Substack,” and that day it opened sign-ups for early access. Until now, in Substack’s own words, podcasters there “have had to record sponsorships directly into episodes.”
Two pieces are on the way. First, dynamic ad insertion for sponsors you find yourself, so a new ad can replace an old one across your catalog without re-editing anything. Second, an optional hookup to third-party sponsorship marketplaces that fill the ad breaks you mark. You decide how many ads run and which kinds of sponsors are allowed.
Substack hasn’t named the marketplaces, given a date for either piece, or said what cut Substack or the marketplaces will take. Its published fee is 10% of paid subscription revenue, with no monthly charge for hosting, and the announcement adds nothing about sponsorship money.
One part is already done. Substack says it earned IAB Tech Lab certification for podcast download measurement, and IAB Tech Lab’s compliance list backs that up. When a sponsor asks how downloads are counted, a Substack show has a certified answer.
Does beehiiv have podcast ads?
Only ads you record into the episode yourself. beehiiv’s podcast page lists dynamic ad insertion with a “Coming soon” tag, and its FAQ says you can “bake advertising into your podcast episodes” while more monetization tools are on the way. There’s no date.
Don’t count on the beehiiv Ad Network to fill podcast slots, either. It’s a newsletter product. The Ad Network page says it’s open to anyone on Lite or above who is actively sending, and it pays on the clicks and opens it tracks in the 72 hours after an email goes out. An episode download earns nothing there.
beehiiv is on IAB Tech Lab’s list too, so the measurement side is ready on both platforms. The ad side isn’t.
Which platform can run a sponsor ad on a 2,000-download show today?
Take one small show, 2,000 downloads a month, and check it against each platform’s own pages. The last column is what IAB Tech Lab’s list shows for podcast measurement, with the date each company was last certified.
| Platform | Sponsor ad today? | Who fills it | Revenue share | Download cap | IAB Tech Lab list |
|---|---|---|---|---|---|
| Substack | Only a read recorded into the episode. Dynamic insertion is at the early-access sign-up stage | You. Third-party marketplaces are coming “soon” | Not published | None published, and hosting is free | Listed for downloads and listeners, August 25, 2026 |
| beehiiv | Only a read recorded into the episode. Dynamic ads are “Coming soon” | You. Its Ad Network only covers newsletters | Not published | 5,000 a month on the Free plan | Listed for downloads and listeners, August 13, 2026 |
| Captivate | Yes, dynamic insertion on every plan | You, or Captivate Marketplace (a US beta) | None listed on your own sponsors. Marketplace: you keep 75% | 30,000 a month on the $19 Personal plan | Listed for downloads and listeners, July 19, 2024 |
| Transistor | Yes, from the $49 Professional plan. Not on the $19 Starter plan | You. Transistor has no ad network | None listed. You set your own rates | 20,000 on Starter, 100,000 on Professional | Not listed |
Every plan in that table covers 2,000 downloads. The difference is whether old episodes can carry a new ad. A read baked into the audio stays in that episode after the deal ends, so last year’s episodes keep playing last year’s sponsor and can’t be resold. With dynamic ad insertion, every download, old episode or new, carries whatever campaign is live today.
The IAB column tells a sponsor your numbers are counted the industry’s way, which our explainer on what counts as a podcast download walks through. Two oddities: Captivate’s entry is the oldest of the three, dated July 2024, even though its pricing page lists “IAB certified analytics.” Transistor isn’t on the list, and its analytics page doesn’t claim certification.
What would one sponsor pay a 2,000-download show?
On CPM math, not much, and on one host it barely covers the bill. Say you run one mid-roll per download at a $25 CPM. That’s 2,000 impressions and $50 a month. In our CPM guide, $25 is the bottom of the host-read range for mid-size shows and near the top of the $8 to $30 range for programmatic and dynamically inserted ads, so treat it as generous.
| Route | Plan, billed monthly | What reaches you | Left after the plan |
|---|---|---|---|
| Captivate Personal, your own sponsor | $19 | $50 | $31 |
| Captivate Marketplace, same CPM | $19 | $37.50 after Captivate’s 25% | $18.50 |
| Transistor Professional, your own sponsor | $49 | $50 | $1 |
| Substack or beehiiv Free, a read in new episodes only | $0 | Up to $50, from the episodes that carry the read | Up to $50 |
Those are CPM numbers, and a show this size usually shouldn’t sell on CPM. Our CPM guide’s advice for a show under about 3,000 downloads an episode is to charge a flat rate per spot instead. A flat fee is the same on any host. The host only sets your plan cost and whether old episodes can carry the ad.
The $25 CPM is our own assumption, and no vendor quoted it. Captivate’s Marketplace FAQ says you set the price for each slot, which doesn’t guarantee a buyer at that price. Yearly billing lowers the plan line: Captivate Personal is $17 a month paid yearly, and Transistor gives 12 months for the price of 10. Captivate pays Marketplace money once you pass a $20 minimum, which $37.50 clears.
Transistor’s $19 Starter plan already covers 20,000 downloads but has no campaigns, so dynamic ads cost a show this size $30 a month extra. Captivate puts the same feature on its $19 plan. Whether 2,000 downloads can land a sponsor at all is its own question, and our guide to how many downloads you need for a sponsor takes it on.
Which podcast hosts can insert sponsor ads today?
Captivate, on every plan. Its AMIE tool inserts pre-roll, mid-roll, and post-roll audio, and Captivate’s pricing page says no feature is held back by plan, only downloads. Personal is $19 a month, or $17 billed yearly, for up to 30,000 downloads.
It’s also the only one of the four with an ad marketplace running today. Captivate’s Marketplace FAQ says Marketplace runs on DAX US, a digital advertising exchange, and its Marketplace page says advertisers make offers you can accept, decline, or counter. You choose which slots stay with your own sponsors and which go to automated ads. The default split is 75/25 in your favor.
Don’t expect much from it yet. The same FAQ calls Marketplace a beta rollout in the US, and it lists monthly downloads, genre, and where your listeners live among the things advertisers weigh. A 2,000-download show shouldn’t plan its month around offers. Try Captivate if you want your own sponsors in every episode on the cheapest plan, with the marketplace as a bonus.
Transistor, from Professional up. Dynamic ads come on the $49 Professional plan and the $99 Business plan. Transistor’s campaigns guide covers the setup: a default campaign covers every episode you haven’t assigned, and you pick mid-roll spots by ear in each episode. Campaigns can also be scheduled for set dates or episodes, per Transistor’s dynamic ads page.
Transistor won’t find you an advertiser. Its help center says it does “not currently provide an advertising network or match podcasts with sponsors,” and it points to outside networks like Gumball.fm, Podglomerate, and Advertisecast. For ads alone, Captivate is the cheaper door. Pick Transistor if you already sell your own sponsors, you like the rest of what it does, and the extra $30 a month over Starter doesn’t sting. Transistor vs Captivate covers the rest of that choice.
When does beehiiv make more sense than a podcast host?
When the newsletter is the business and the show rides along. beehiiv already has tools for selling newsletter sponsorships. Direct Sponsorships lets you price newsletter sends at a flat fee or a CPM, show them in a sponsor storefront, and invoice through Stripe for a $10 flat fee per transaction.
That gives you something to sell this week. Bundle a newsletter slot with a read you record into the episode, and the sponsor reaches both your readers and your listeners without any dynamic insertion. When beehiiv’s podcast ads do ship, you’ll already have the sponsor.
The rest of the money side is cheap. beehiiv takes 0% of paid subscriptions and digital products, so only Stripe’s 2.9% plus $0.30 comes out, and the Free plan hosts one show with up to 5,000 downloads a month. The Ad Network starts on Lite, which is $49 a month billed yearly at 1,000 subscribers.
The podcast side is where beehiiv falls short. No podcast ad insertion yet, a download cap on every plan (15,000 on Lite, 50,000 on Pro, per beehiiv’s podcast help article), and a price that climbs with your subscriber count, laid out plan by plan in beehiiv pricing.
Here’s how I’d split it. If the newsletter comes first, start on beehiiv, keep the show there, and sell bundled sponsors until its dynamic ads arrive. If the podcast is the business, host it on Captivate or Transistor and run the newsletter wherever you like. Already on Substack? Request early access from Substack’s announcement and keep recording reads into new episodes for now. For what each platform takes from paying listeners, rather than sponsors, see our breakdown of Spotify Memberships and the alternatives.
FAQ
Can you put ads in a Substack podcast? Yes, if you record the sponsor read into the episode yourself. Dynamic ad insertion, which swaps ads across old episodes, opened for early-access sign-ups on October 21, 2026. Substack says third-party sponsorship marketplaces will follow, with no date.
Does beehiiv have dynamic ad insertion for podcasts? Not yet. beehiiv’s podcast page marks dynamic ads “Coming soon,” and its FAQ says you can bake ads into episodes in the meantime. Its Ad Network pays on newsletter clicks and opens, not podcast downloads.
How much does Substack take from podcast sponsorships? It hasn’t said. Substack’s only published fee is 10% of paid subscription revenue, and hosting is free. The October 21 announcement gives no revenue share for sponsorships or for the marketplaces it plans to connect.
Are Substack and beehiiv podcast stats IAB certified? Yes. Both are on IAB Tech Lab’s podcast measurement list for downloads and listeners, with Substack last certified August 25, 2026, and beehiiv August 13, 2026.
Which podcast host will find sponsors for me? Of these four, only Captivate, through Captivate Marketplace. It’s a US beta, advertisers send offers you can accept, decline, or counter, and you keep 75% by default. Transistor says it doesn’t run an ad network or match shows with sponsors.
Is dynamic ad insertion on Captivate’s cheapest plan? Yes. AMIE comes with every Captivate plan, including Personal at $19 a month, or $17 a month billed yearly, which covers up to 30,000 downloads.
