Side by side
ColdSEO vs MentionAgent
Both stand on blogger outreach software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APIWeb
ColdSEO brings prospect research, personalized outreach, and backlink tracking into one platform. Its monthly credit limits and plan caps are important to consider when choosing a plan.
Visit ColdSEO Free trial AndroidAPIiPhone+1
MentionAgent combines prospect discovery, customer-approved outreach, and follow-up handling, with an MCP connection and AI mention tracking. It is focused on off-page outreach and starts at $99/mo, with no free plan.
Visit MentionAgentThe facts
| ColdSEO | MentionAgent | |
|---|---|---|
| Free plan | Yes | A free trial |
| Open source | Not published | Not published |
| Runs on | API, Web | Android, API, iPhone, Web |
| Lowest paid plan | Pro: $79 a month | Starter: $99 a month |
| Plans published | 3 | 4 |
| Maker | Not published | Not published |
| Website | coldseo.com | mentionagent.ai |
| On blogger outreach software | #1 of 17 | #4 of 17 |
ColdSEO: what it does well
- Searches prospects using multiple discovery methods.
- Connects to Gmail, Google Workspace, Microsoft 365, or custom SMTP.
- Threads and categorizes replies.
- Offers a free plan.
What to know first
- Monthly plan credits do not roll over.
- Campaigns pause at the monthly cap.
- No free trial is listed.
MentionAgent: what it does well
- Customer approval required before emails are sent
- Verifies editor or author email addresses
- Tracks replies and records live placements
- Free trial is available
What to know first
- No free plan
- Each warmed inbox is limited to 40 cold emails daily
- Does not buy placements or write guest posts
- Starter includes one site and one inbox
Alternatives to ColdSEO Alternatives to MentionAgent The whole list

