OptiMonk vs Koast
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. OptiMonk starts at $29/mo and Koast starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Prompt-to-popup builder
- Automatic A/B testing
- Exit-intent and gamified popups
- Animated backgrounds
- MCP server
- 1,000+ popup examples
- Multi-account ads manager
- Rule-based agent tasks
- Creative review pipeline
- Stop-loss automation
- Reporting and forecasts
- MCP and developer access
| Feature | OptiMonk | Koast |
|---|---|---|
| Best for | AI agent that designs and runs website popups for online stores | Operating system for performance marketing teams with AI agents |
| Category | Marketing | Marketing |
| Pricing model | Freemium | Paid |
| Starting price | $29/mo | See pricing page |
| Free plan | Yes | No |
| Made by | OptiMonk | Koast |
| Based in | Hungary | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
OptiMonk starts at $29/mo and Koast starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- 10,000 pageviews per month
- 1,000 AI credits per month
- 1 domain
Essential
$29/mo
- From 20,000 pageviews per month
- 3,000 AI credits per month
- 2 domains
Growth
$99/mo
- From 100,000 pageviews per month
- 10,000 AI credits per month
- 4 domains
Premium
$249/mo
- From 500,000 pageviews per month
- 20,000 AI credits per month
- 10 domains
- Key account manager
Master
Custom
- Custom pageviews and credits
- Unlimited domains
- Key account manager
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
OptiMonk
- Free plan covers 10,000 pageviews
- No OptiMonk branding on any plan
- Agent keeps testing after launch
- Live chat support on every plan
- Prices rise with store traffic
- AI credits cap how much the agent does
- Focused on popups, not full site CRO
Koast
- Agents work on a schedule or trigger
- Launch to many ad accounts at once
- No percentage of ad spend
- Pricing is not shown publicly
- Aimed at teams with large ad budgets
- Demo needed to get started
Which one should you choose?
Choose OptiMonk if you want:
- Free plan covers 10,000 pageviews
- No OptiMonk branding on any plan
- Agent keeps testing after launch
Watch out: prices rise with store traffic.
Choose Koast if you want:
- Agents work on a schedule or trigger
- Launch to many ad accounts at once
- No percentage of ad spend
Watch out: pricing is not shown publicly.
OptiMonk vs Koast FAQ
What is the difference between OptiMonk and Koast?
OptiMonk: AI agent that designs and runs website popups for online stores. Koast: Operating system for performance marketing teams with AI agents. Both are marketing tools.
Is OptiMonk or Koast cheaper?
OptiMonk starts at $29/mo and Koast starts at See pricing page. Check both pricing pages for current plans.
Do OptiMonk and Koast have free plans?
OptiMonk: Yes. Koast: No.
Who makes OptiMonk?
OptiMonk is made by OptiMonk, based in Hungary.
Who makes Koast?
Koast is made by Koast.
Which should I choose, OptiMonk or Koast?
Choose OptiMonk if you value free plan covers 10,000 pageviews and no optimonk branding on any plan. Choose Koast if you value agents work on a schedule or trigger and launch to many ad accounts at once.