Short answer
Devi and BuyerSpotter are both Chrome extensions that monitor Facebook groups, Reddit, X, LinkedIn and Nextdoor for leads. Devi adds AI intent detection, AI-drafted outreach and more sources such as WhatsApp and Telegram groups, from $19 per month. BuyerSpotter is read-only, grades intent with local rules and alerts by desktop, Telegram or webhook for $39.
Try it on the same brief you use today. 5-day trial, no card needed.
Add to ChromeKey takeaways
- Both are Chrome extensions covering Facebook groups (including private groups you joined), Reddit, X, LinkedIn and Nextdoor.
- Devi also lists WhatsApp groups, Telegram and news and blog monitoring, according to its website.
- Devi uses AI to detect intent and draft outreach; BuyerSpotter uses local rules and never writes or sends messages.
- Devi's pricing starts at $19 per month for 25 groups; BuyerSpotter Premium is $39 per month for up to 25 groups.
Devi vs BuyerSpotter at a glance
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| Devi | BuyerSpotter | |
|---|---|---|
| Format | Chrome extension | Chrome extension (desktop Chrome) |
| Networks | Facebook groups, LinkedIn, Reddit, X, WhatsApp groups, Telegram, Nextdoor, news and blogs | Facebook groups (up to 25), Reddit, X (Twitter), LinkedIn, Nextdoor |
| Intent detection | AI (language model) | Local, rule-based grading; posts are not sent to an AI provider |
| Outreach | AI-drafted comments and messages | None. Read-only; you write every reply |
| Alerts | Email (every 2–8 hours, daily or weekly), Slack, webhook | Desktop, Telegram, webhook, as often as every 15 minutes |
| Price | From $19/month (GeoBased) for 25 groups; extra groups $2 each | $39/month or $390/year for up to 25 groups; 5-day trial, no card |
Devi's details are from its pricing page (opens a new tab) and home page (opens a new tab).
Competitor details are taken from each vendor's own website as published on 26 September 2026 and can change. BuyerSpotter has not run a side-by-side test. Tell us at hello@buyerspotter.com if something here is out of date.
When Devi may suit you better
Choose Devi if you want AI to draft replies, need WhatsApp or Telegram group monitoring, want email digests or a native Slack integration, or want the lowest entry price. Those are real strengths, and BuyerSpotter does not offer them.
For Reddit-only needs, the F5Bot and GummySearch pages may be more relevant.
When BuyerSpotter may suit you better
BuyerSpotter is a Chrome extension that monitors Facebook groups, Reddit, LinkedIn, X (Twitter) and Nextdoor for posts where someone asks to buy, hire or get a recommendation, and alerts you so you can reply yourself. Choose it if you want a tool that never drafts or sends anything, keeps post text out of AI services, and sends fast desktop or Telegram alerts. Every match shows the phrase that matched and the intent signals, so you can see why it ranked. Read how BuyerSpotter handles data and the Facebook group monitoring page for details.
How to compare them yourself
Use the same brief in both: the same phrases, the same groups and the same week. Count how many matches you would actually answer, not the total. The match-quality worksheet gives you a simple method, and the first-week plan helps you set up BuyerSpotter's side.
Frequently asked questions
Is Devi a Chrome extension?
Yes. Devi describes itself as a Chrome extension for social media lead monitoring and outreach.
Does BuyerSpotter use AI?
No. The current version grades matches with local rules and does not send posts to an AI provider.
Which is cheaper, Devi or BuyerSpotter?
Devi's pricing page starts at $19 per month; BuyerSpotter Premium is $39 per month or $390 per year.
Can BuyerSpotter write replies for me?
No. It is read-only by design. You open the original post and reply in your own words.