Side by side
Marmalead vs SERPTool
Both stand on keyword research tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan ExtensionWeb
Marmalead combines Etsy keyword research, listing guidance, seasonality data, and AI assistance. Its browser compatibility and subscription requirements matter when choosing how to use it.
Visit Marmalead Free plan Self-hostedWeb
SERPTool focuses on live-SERP weakness analysis, scoring and bulk research, with self-hosting as an option. Buyers should account for credit expiration, lookup costs and the paid plans that start at $34 a month.
Visit SERPToolThe facts
| Marmalead | SERPTool | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Extension, Web | Self-hosted, Web |
| Lowest paid plan | Annual: $190 a year | Starter: $34 a month |
| Plans published | 4 | 8 |
| Maker | Not published | Not published |
| Website | marmalead.com | serp-tool.com |
| On keyword research tools | #18 of 36 | #22 of 36 |
Marmalead: what it does well
- Keyword volume and engagement estimates
- 12-month seasonality and forecast views
- Listing grades include SEO and sales factors
- Free fees calculator and hashtag generator
- Marma AI offers listing advice
What to know first
- Extension does not work in Firefox or Safari
- Full extension features require subscription
- Searches return up to 500 keywords
- No Etsy endorsement or certification
SERPTool: what it does well
- Analyzes up to 1,000 keywords per analysis
- Checks 17 weakness signals in top results
- Provides a 0–100 Opportunity Score
- Includes AI search visibility indicators
- Offers summary and full SERP CSV exports
What to know first
- No free trial
- Subscription credits expire on renewal
- AI Mentions lookups cost 40 credits each
Alternatives to Marmalead Alternatives to SERPTool The whole list

