How we make this list: we compare pricing pages, product documentation and public user reviews. Rankite is independent; if a vendor ever pays for a featured spot, that listing is clearly labeled Partner.
Key takeaways
- The Trade Desk and Google Display & Video 360 are the enterprise standards, but both are quote-only with meaningful minimum spends and sales-led buying.
- StackAdapt is the most accessible self-serve DSP for mid-market teams, with no official minimum and strong native, video and CTV inventory.
- Choozle (from $99/month) is the cheapest published entry point into programmatic for small businesses and freelancers.
- Amazon DSP is the pick when your budget already lives in Amazon's ecosystem; its retail purchase data is the targeting advantage nobody else can copy.
- AdRoll's pay-as-you-go model with no fixed minimum suits ecommerce brands that want programmatic retargeting without enterprise contracts.
Quick comparison
| Tool | Best for | Starting price | Free plan |
|---|
 The Trade Desk | Enterprise omnichannel buying | See website (quote-based) | No |
 Google Display & Video 360 | Advertisers already in the Google ecosystem | See website (quote-based) | No |
 Amazon DSP | Amazon sellers and retail brands | See website (quote-based) | No |
 StackAdapt | Self-serve mid-market programmatic | See website (no official minimum) | No |
 Basis | Agencies combining media planning and buying | See website (quote-based) | No |
 Simpli.fi | Local and regional programmatic targeting | See website (quote-based) | No |
 Adform | Independent programmatic in Europe | See website (quote-based) | No |
 Choozle | Small-budget programmatic entry | $99/month (Choozle Go) | No |
 AdRoll | Pay-as-you-go ecommerce retargeting | Pay-as-you-go (no fixed minimum) | No |
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Programmatic advertising now handles the large majority of US digital display ad spend, according to industry estimates from the IAB and eMarketer. The buying happens through demand-side platforms (DSPs): software that bids on ad impressions in real time across exchanges, apps and connected TV. The catch for small and mid-size businesses is that most DSPs were built for agencies spending millions, and their pricing, minimums and sales processes show it. Nine platforms across the accessibility spectrum.
Starting priceSee website (quote-based)
Free planNo
The Trade Desk is the default answer for "which DSP" at the enterprise level. It is independent (it does not own media, unlike Google or Amazon), which is why agencies trust its bidding to be neutral. Inventory spans display, video, audio, native and connected TV, with a large third-party data marketplace for audience targeting. Koa, its AI bidding engine, handles optimization across channels.
Everything about the commercial model is enterprise-shaped: custom contracts, meaningful minimum spends and a platform that assumes you know programmatic. Third-party buyer reports put typical entry well into five figures a month. If you spend under $50,000 a month on programmatic, StackAdapt or Choozle will serve you better. If you spend above that with an agency or in-house trading desk, this is the benchmark everything else is measured against.
What we like- The largest independent DSP with the broadest inventory and data marketplace
- Strong CTV and audio capabilities
- Transparent bidding mechanics that agencies trust
Watch out for- Enterprise minimums and sales-led contracts put it out of reach for small budgets
- The platform expects an experienced media buyer to run it
Starting priceSee website (quote-based)
Free planNo
DV360 is Google's enterprise DSP, sitting inside the Google Marketing Platform alongside Campaign Manager and Search Ads 360. Its structural advantage is access: YouTube inventory, which other DSPs cannot buy programmatically, plus Google's exchange and third-party inventory. Integration with GA4, BigQuery and Google's audience products makes measurement clean for teams already on the stack.
The trade-offs are cost and neutrality. Licensing is quote-based and aimed at large advertisers and agencies; there is no self-serve tier. And because Google owns both the DSP and much of the inventory, independent buyers question whether bidding is truly neutral, which is exactly why The Trade Desk exists. Choose DV360 when YouTube is central to your media plan and you already run on Google Marketing Platform. Otherwise, an independent DSP avoids the conflict.
What we like- Native access to YouTube and Google inventory plus third-party exchanges
- Tight integration with Google Analytics, Campaign Manager and BigQuery
- Strong for video and YouTube campaigns
Watch out for- Google Marketing Platform licensing is quote-based and expensive
- The platform favors Google-owned inventory, which raises neutrality questions
- Complexity needs dedicated operators
Starting priceSee website (quote-based)
Free planNo
Amazon DSP's targeting is its moat: audiences built from actual purchase behavior, not inferred interests. A brand selling supplements can target people who bought competitors' supplements. The DSP buys across Amazon's owned properties (including Prime Video and Twitch inventory) and third-party exchanges, reaching shoppers both on and off Amazon.
Access is the friction. Amazon DSP has historically been managed-service with reported minimums around $50,000 a month, though self-serve options through the Amazon Ads console have expanded. Pricing is quote-based either way. If you sell on Amazon or compete with brands that do, the purchase data is worth the hassle. If you do not sell physical products, the advantage disappears and a general DSP fits better.
What we like- Purchase-based audience targeting from Amazon's retail data, the most valuable signal in programmatic
- Reaches shoppers on and off Amazon
- Strong for CPG and ecommerce
Watch out for- Managed-service minimums reported around $50,000 a month keep small brands out
- Self-serve access is limited
- Reporting is weaker than the targeting
Starting priceSee website (no official minimum)
Free planNo
StackAdapt is the DSP most mid-market teams actually end up on. It opened self-serve signup broadly, publishes no official minimum spend, and reviewers consistently describe it as more accessible than The Trade Desk. Native advertising is its historical strength, and it has expanded into video, CTV, audio and display with solid contextual targeting for the post-cookie world.
The honest caveat is pricing opacity. StackAdapt discloses no percentage, no minimum and no rate card; third-party reviews suggest managed offerings start around $15,000 a month while self-serve works at much smaller budgets. Get the fee structure in writing before scaling spend. For a marketing team spending $5,000 to $50,000 a month that wants real programmatic without an enterprise contract, this is usually the first platform to evaluate.
What we like- The most accessible serious DSP, with self-serve signup and no published minimum
- Strong in native, video and CTV
- Page-contextual and first-party-data targeting built for the cookieless era
Watch out for- No published pricing means you negotiate blind
- Some advanced features and managed services sit behind higher spend tiers
- Smaller data marketplace than The Trade Desk
#5
Basis
Best for: Agencies combining media planning and buying
Visit basis.com
Starting priceSee website (quote-based)
Free planNo
Basis, from Basis Technologies (formerly Centro), is built for agencies rather than brands. The platform wraps programmatic buying in the operational tools agencies run on: media planning, vendor management, billing reconciliation and business intelligence. If your agency still plans in spreadsheets and buys in a separate DSP, Basis consolidates the workflow.
Pricing is a SaaS license plus a percentage of media spend; third-party reports cite around $1,000 a month plus 10 to 15 percent of spend, but that is not a published list price. The value is operational: fewer tools, cleaner billing, automated workflows. Direct brands buying their own media get less from the planning layer and should compare StackAdapt or Simpli.fi first.
What we like- Combines the DSP with media planning, workflow and business intelligence tools agencies actually need
- Strong automation for campaign management
- Built for agency operations
Watch out for- Quote-based SaaS licensing (reported around $1,000 a month plus a percentage of media)
- Agency-oriented, so direct brands get less value
- Smaller inventory story than pure DSPs
#6
Simpli.fi
Best for: Local and regional programmatic targeting
Visit simpli.fi
Starting priceSee website (quote-based)
Free planNo
Simpli.fi built its reputation on local. Its geo-fencing can target households, businesses and event attendees with unusual precision: a car dealer can target people who visited competing dealerships, a retailer can target event foot traffic. For franchises, multi-location brands and local media groups, that granularity is the product.
Reviewers praise the absence of campaign budget minimums and flexible pricing, though Simpli.fi publishes no rates; the model is CPM-based with premiums for advanced targeting. Implementation and support get strong marks from local advertisers. The platform is less compelling for national brand campaigns where The Trade Desk's scale matters more. If your advertising is inherently local, start here.
What we like- Unmatched local targeting with addressable geo-fencing down to the household and event level
- No campaign budget minimums per reviewers
- Strong for franchises and multi-location brands
Watch out for- No published pricing and limited transparency
- CPM-based model with targeting premiums that add up
- The platform is less suited to national brand campaigns
Starting priceSee website (quote-based)
Free planNo
Adform is the independent alternative with the strongest European footprint. It offers the full stack, DSP, data management and ad serving, in one platform, and positions on transparency: clear fee structures and GDPR-native data handling. For European advertisers and agencies that want independence from both Google and The Trade Desk, it is the natural candidate.
Pricing is quote-based; third-party reports cite tech fees around 10 to 15 percent of gross spend with minimum monthly commitments, but confirm the numbers in a sales conversation. US advertisers will find thinner inventory and support than the American DSPs. Evaluate it if you buy significant European media and care about fee transparency.
What we like- Independent full-stack platform (DSP, DMP, ad server) with a transparency-first positioning
- Strong in European markets with GDPR-native infrastructure
- Integrated creative and data tools
Watch out for- Quote-based pricing with reported tech fees around 10 to 15 percent of spend
- Smaller US presence and inventory depth than The Trade Desk
- Enterprise sales motion
Starting price$99/month (Choozle Go)
Free planNo
Choozle exists for everyone the enterprise DSPs ignore. Choozle Go starts at $99 a month with a self-serve platform covering display, video, mobile, audio and connected TV, with first, second and third-party data targeting and real-time reporting. Freelancers, small businesses and small agencies can run real programmatic campaigns without a sales call or a five-figure minimum.
The limitations match the price. There is no free trial, the entry tier's inventory and data depth are thinner than StackAdapt's or The Trade Desk's, and serious spend belongs on the custom-priced Choozle Pro tier. Reviewer sentiment is mixed on support quality. But as a way to learn programmatic or to run modest always-on campaigns, nothing else on this list starts at $99.
What we like- The cheapest published entry into programmatic at $99 a month
- Self-serve platform covering display, video, audio and CTV
- White-label options for small agencies
Watch out for- No free trial
- The $99 tier is limited next to the custom-priced Pro tier
- Inventory depth and data options are thinner than enterprise DSPs
- Support is lighter
Starting pricePay-as-you-go (no fixed minimum)
Free planNo
AdRoll is the accessible end of programmatic for ecommerce. The Ads Plan is pay-as-you-go with no fixed minimum: a DTC brand at any spend level can run display and social retargeting from the self-serve platform. Email and audience integrations with Klaviyo and Mailchimp keep it in the ecommerce workflow, and Shopify merchants earn 10 percent of spend back in ad credits.
The honest framing is that AdRoll is a retargeting platform with programmatic buying, not a full DSP for prospecting at scale. Upper-funnel campaigns belong on StackAdapt or The Trade Desk. The Advanced Package adds managed services, ad credits and dedicated support for brands that outgrow self-serve. For a Shopify store that wants to retarget site visitors without learning programmatic, this is the simplest on-ramp.
What we like- No fixed minimum and pay-as-you-go pricing, rare in programmatic
- Nearly two decades of retargeting expertise
- Shopify merchants earn 10 percent of spend back in credits
Watch out for- Retargeting-first, so it is weaker for prospecting and upper-funnel
- The Advanced Package with managed services is the real upsell
- Less of a full DSP than a retargeting platform
What actually determines your programmatic bill
DSP pricing confuses buyers because the platform fee and the media spend are separate numbers. You pay the exchange for impressions (the media) and the DSP a tech fee, usually a percentage of spend, for the buying. Enterprise DSPs also layer minimums: a monthly spend commitment, a platform fee, or both. A $10,000 monthly budget on a DSP charging 15 percent tech fees is really $8,500 of media.
Minimums are the real gatekeeper. The Trade Desk and DV360 expect enterprise budgets; Amazon DSP's managed service has reported minimums around $50,000 a month; Simpli.fi reviewers praise the lack of minimums; StackAdapt publishes none; Choozle starts at $99 a month. Match the platform to your budget first, because the best DSP you cannot afford to run is worthless.
How we chose
We researched the current commercial reality of every platform, and marked quote-based DSPs honestly: seven of the nine tools here do not publish pricing, so they show "See website" rather than third-party estimates presented as facts. We compared on what decides DSP purchases: inventory breadth and quality, CTV and video capabilities, audience data depth, targeting options, fee transparency, minimum spends and the self-serve versus managed-service model. We read buyer reviews on G2, Capterra and Reddit for the recurring complaints: hidden fees, minimum-spend traps, reporting opacity and support quality at small budgets.
What to look for before you buy
Start with your monthly budget and work backward. Under $2,000 a month, Choozle or AdRoll are the realistic options. From $5,000 to $50,000, StackAdapt's self-serve tier is the sweet spot. Above $50,000 with an agency or trading desk, The Trade Desk, DV360 and Amazon DSP enter the conversation. Buying enterprise software for a $3,000 budget is the most common mistake in this category.
Ask for the full fee picture in writing: platform tech fee as a percentage of spend, any monthly minimums, data fees for third-party audiences, and creative or managed-service charges. Two DSPs quoting the same tech fee can differ by thousands a month once data and minimums are included.
Finally, check who operates it. Programmatic rewards active management: audience testing, bid tuning, creative rotation and exclusion lists. A DSP without someone running it weekly is an expensive way to buy mediocre impressions. If nobody on your team will operate it, buy managed service or do not buy programmatic at all.
Frequently asked questions
What is the best programmatic advertising platform for small businesses?
Choozle (from $99/month) is the cheapest published entry. AdRoll's pay-as-you-go model with no minimum suits ecommerce retargeting. StackAdapt's self-serve tier works from around $5,000 a month in spend without an official minimum.
How much does programmatic advertising cost?
Media spend is separate from platform fees. Small businesses can start at $99 a month platform cost on Choozle plus media. Mid-market teams typically spend $5,000 to $50,000 a month in media on StackAdapt. Enterprise DSPs expect $50,000-plus monthly budgets with tech fees around 10 to 15 percent of spend.
What is the difference between a DSP and an ad network?
A DSP buys impressions in real time across many exchanges and publishers through one platform, with your targeting and bidding rules. An ad network sells you its own inventory pool. DSPs give you control and transparency; networks give you simplicity.
Do I need a minimum budget for programmatic?
It depends on the platform. Choozle starts at $99 a month, AdRoll has no fixed minimum, and Simpli.fi reviewers report no campaign minimums. The Trade Desk, DV360 and Amazon DSP expect enterprise budgets, with reported minimums from $10,000 to $50,000 a month.
Is programmatic better than Google Ads or Meta Ads?
They do different jobs. Google and Meta are walled gardens with unmatched intent and social data. Programmatic DSPs buy across the open web, apps and connected TV with your own audience rules. Most mature advertisers run both: walled gardens for intent, programmatic for reach and retargeting.
Sources we checked (11)
- https://www.thetradedesk.com
- https://marketingplatform.google.com/about/display-video-360/
- https://advertising.amazon.com/solutions/products/amazon-dsp
- https://www.stackadapt.com
- https://basis.com
- https://www.simpli.fi
- https://www.adform.com
- https://www.choozle.com/pricing/
- https://www.adroll.com/pricing/
- https://resources.rework.com/tools/advertising/smartly-vs-madgicx-vs-stackadapt
- https://www.adroll.com/blog/adroll-vs-stackadapt
Is your product missing or out of date?
We review this list regularly. Vendors can request a listing, send updated pricing or ask about featured placement.
Shihab Mia · Founder, Rankite
Shihab has spent more than a decade helping SaaS and e-commerce brands grow through search. He writes Rankite's software buying guides from pricing pages, documentation and public user reviews. More about Shihab.