Rerun vs Synter
Rerun and Synter are both workflow automation tools. Rerun is aimed at small businesses and agencies, while Synter is aimed at agencies and small businesses. Synter costs less, from $20/mo versus $29/mo for Rerun. Both have a free plan.
Open-source AI coworkers that run on your Claude or ChatGPT plan
AI agent operator that runs paid ads on 40+ ad platforms via MCP
| Pricing | Open source · $29 | Freemium · $20 |
| Starting price | $29/mo | $20/mo |
| Free plan | Yes | Yes |
| Free trial | 5 days | — |
| Built for | Small businesses, Agencies, Freelancers, Developers | Agencies, Small businesses, Enterprise, Developers |
| Platforms | web | web |
| Country | — | — · 2025 |
| Rating | — | — |
Choose Rerun if
Small businesses and agencies that want always-on AI agents for routine sales, support and marketing work on a modest budget.
- Reuses an existing Claude or ChatGPT subscription for model costs
- Unlimited teammates on Pro with no per-seat fees
- Open source, so you can inspect and self-host the code
Look elsewhere if: Teams that need deterministic, auditable workflows or enterprise agent governance (n8n, Relevance AI).
Choose Synter if
Growth teams and agencies that run several ad channels and want an AI agent to execute changes with approvals and spend caps.
- Read-only reporting across connected platforms is free
- One agent connection replaces many separate ad managers
- No percentage of ad spend; platforms bill media directly
Look elsewhere if: Advertisers who only run Meta or search campaigns and prefer a mature single-channel tool (Madgicx, Optmyzr).
Rerun vs Synter pricing
Rerun
- Free trial$05 days, card required, up to 3 coworkers, 350 credits
- Pro$29/mo5 coworkers, unlimited seats, 500 credits/mo; 20% off yearly
- EnterpriseCustomSSO, SLA, dedicated or self-hosted infrastructure
- Self-hosted$0AGPL-3.0 code on GitHub, bring your own Supabase and keys
Synter
- Solo$20/mo$20 usage credits, 1 seat, 1 workspace; $200/yr billed annually
- Scale$500/mo$500 credits, 5 seats, Autopilot, CRM sync; $5,000/yr annually
- CustomCustomUnlimited seats, SSO, DSP and CTV access, white-label portal
Rerun · Key features
- AI coworkers with their own memory and skills on an isolated cloud machine
- Computer use to click through apps that have no integration
- Schedules, webhook triggers and on-demand runs
- Approval requests before sending, paying or deleting
- Foreman agent that plans and hires a team of coworkers
- Runs on Claude or ChatGPT subscriptions, API keys or Rerun credits
Cons
- Free trial requires a card and lasts only 5 days
- Hosted machines run in Europe only
- Self-hosting needs Docker, Node.js, Supabase and an OpenRouter key
Synter · Key features
- MCP server and API for Claude, Cursor, ChatGPT and other agents
- 40+ listed ad platforms, from Google and Meta to The Trade Desk
- Campaign IDE with a document canvas for authoring and project work
- Spend caps, policy checks and human approval before changes ship
- Change log with before and after states and rollback
- Cross-platform reporting, attribution and media mix modeling
Cons
- Young company founded in 2025 with mostly self-reported results
- Many platforms are still beta or request-access only
- Actions in the Synter web app cost 5x the MCP rate
Rerun vs Synter: FAQ
Which is cheaper, Rerun or Synter?
Synter starts at $20/mo and Rerun at $29/mo. Both prices are checked on the vendors' own pricing pages.
Do Rerun and Synter have a free plan?
Yes, both Rerun and Synter have a free plan; paid plans add more usage and features.