ToolRankBest AI marketing tools for $20 a month or less
Updated 21 Oct 2026 · Prices from vendor pages only · How we rank →
The short answer
Every tool here has a paid plan listed at $20 a month or less on its vendor's pricing page. HubSpot Breeze comes first: HubSpot's AI agents and assistants built into its CRM and marketing hub. The cheapest verified paid plan here is Buffer Essentials ($5/month per channel ($60 billed yearly)). 3 of the 4 have a free plan we could confirm. Every price below is from the vendor’s own page, checked 17–21 Oct 2026.
Ranked shortlist
- HubSpot Breeze: HubSpot's AI agents and assistants built into its CRM and marketing hub. Plan: Starter: $20/seat/month
Limited-time offer for new customers from $7/seat/month; 500 HubSpot Credits, 1,000 marketing contacts, Agent Hub and Agent Builder - Buffer: Free plan with AI Assistant and API access; paid plans from $5 per channel. Plan: Essentials: $5/month per channel ($60 billed yearly)
Unlimited posts, advanced analytics - Predis.ai: Creates and publishes ads in one tool, with mobile apps and e-commerce integrations. Plan: Core: $19/month billed yearly ($32 monthly)
1 brand, 1,300 credits; unlimited team members - Metricool: A free plan for one brand, low per-brand pricing, plus MCP and API access. Plan: Starter: From $20/month billed annually; from $25/month billed monthly
Up to 10 brands, unlimited publishing, LinkedIn
Order follows ToolRank’s editorial ranking in Marketing & Sales, filtered to tools that fit this page. Anything we couldn’t confirm on a vendor page says “Not yet verified”.
Side by side
| Rank | Tool | Relevant plan | Starting price | Free plan | Best for | Main limitation | Last checked |
|---|---|---|---|---|---|---|---|
| #1 | HubSpot Breeze | Starter: $20/seat/month Limited-time offer for new customers from $7/seat/month; 500 HubSpot Credits, 1,000 marketing contacts, Agent Hub and Agent Builder | $20/seat/month (Marketing Hub Starter; limited-time new-customer offer from $7/seat/month) | Free tools: $0/month for up to 2 users, no credit card | Marketing teams already on, or moving to, the HubSpot CRM who want AI agents built in | AI agents run on HubSpot Credits, and Professional and Enterprise add mandatory onboarding fees | 17 Oct 2026 |
| #2 | Buffer | Essentials: $5/month per channel ($60 billed yearly) Unlimited posts, advanced analytics | $5/month per channel (Essentials, billed yearly) | Free plan: $0 forever, 10 scheduled posts per channel, AI Assistant | Creators and small teams scheduling posts on several social networks on a budget | Free plan allows 10 scheduled posts per channel and 1 user | 20 Oct 2026 |
| #3 | Predis.ai | Core: $19/month billed yearly ($32 monthly) 1 brand, 1,300 credits; unlimited team members | $19/month (Core, billed yearly) | 3-day free trial (card required) | Small brands and agencies making social ads and posts without a designer | The 3-day trial needs a card and is charged when it ends | 20 Oct 2026 |
| #4 | Metricool | Starter: From $20/month billed annually; from $25/month billed monthly Up to 10 brands, unlimited publishing, LinkedIn | $20/month (Starter, billed annually) | Free: 1 brand, 20 scheduled posts a month, AI assistant, MCP | Freelancers and agencies scheduling and reporting on several brands' social accounts | LinkedIn and X need a paid plan; the free plan caps posts at 20 a month | 21 Oct 2026 |
Prices as listed by each vendor on the last-checked date, USD, before tax. Plans and limits change, so follow the sources below.
Who should pick which
Pick HubSpot Breeze for marketing teams already on, or moving to, the HubSpot CRM who want AI agents built in (Starter: $20/seat/month). Watch out: AI agents run on HubSpot Credits, and Professional and Enterprise add mandatory onboarding fees. Pick Buffer for creators and small teams scheduling posts on several social networks on a budget (Essentials: $5/month per channel ($60 billed yearly)). Watch out: free plan allows 10 scheduled posts per channel and 1 user. Pick Predis.ai for small brands and agencies making social ads and posts without a designer (Core: $19/month billed yearly ($32 monthly)). Watch out: the 3-day trial needs a card and is charged when it ends. Pick Metricool for freelancers and agencies scheduling and reporting on several brands' social accounts (Starter: From $20/month billed annually; from $25/month billed monthly). Watch out: LinkedIn and X need a paid plan; the free plan caps posts at 20 a month.
FAQ
Which of these is cheapest?
Buffer Essentials ($5/month per channel ($60 billed yearly)) is the lowest paid price we verified on this list (https://buffer.com/pricing, checked 20 Oct 2026). Check the vendor page for tax, billing period and usage limits.
Which of these have a free plan?
HubSpot Breeze: Free tools: $0/month for up to 2 users, no credit card; Buffer: Free plan: $0 forever, 10 scheduled posts per channel, AI Assistant; Metricool: Free: 1 brand, 20 scheduled posts a month, AI assistant, MCP.
How were these tools chosen?
They are the tools in ToolRank's rankings with a verified paid plan at or below $20/month (USD), confirmed on the vendor's own website on 17–21 Oct 2026. Tools we could not verify are left out rather than guessed, and anything unconfirmed is marked Not yet verified.
Sources
- HubSpot Breeze: HubSpot Marketing Hub pricing checked 17 Oct 2026
- HubSpot Breeze: HubSpot AI (Breeze / Agent Hub) checked 17 Oct 2026
- Buffer: Buffer pricing checked 20 Oct 2026
- Predis.ai: Predis.ai pricing checked 20 Oct 2026
- Metricool: Metricool pricing checked 21 Oct 2026
Related comparisons
Profiles: HubSpot Breeze · Buffer · Predis.ai · Metricool
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