Key Takeaways
- Promptwatch is built around diagnosis and proof: IP-verified AI crawler logs, visitor analytics, page-level tracking, and Citation Trends. Indexly has no crawler-log equivalent that I could confirm.
- Indexly is a hybrid. You get AI tracking plus a traditional SEO suite (keywords, backlinks, site audit, automated indexing). If you don't have Semrush or Ahrefs, that is a real selling point.
- Entry prices are almost identical ($95 vs $99/mo, both 50 prompts), but Promptwatch includes all models and API/MCP access on Essential. Indexly's Starter covers 3 models, and API access is Scale only ($499).
- Promptwatch has a free Explore tier and agency plans from $199/mo. Indexly has no permanent free tier and gates white-label to $499.
- Indexly leans toward volume: 10 to 60 articles a month, Reddit and LinkedIn agents, and ChatGPT Ads creation. Promptwatch leans toward evidence-led fixes through the Action Board and Content Agent.
- Neither tool is a rank tracker in the classic sense. Both answer 'what do AI engines say about us?', but they differ on how much you can trust the answer and what you can do next.
Overview
Promptwatch is an end-to-end AI search visibility and GEO platform. It tracks brands in ChatGPT, Google AI Overviews, Google AI Mode, Gemini, Perplexity, Copilot, Claude, Grok, and more, using the real consumer interfaces rather than just APIs. That matters because user-facing answers and citations can differ from API output. Around that tracking sits the rest of the stack: IP-verified crawler logs, visitor analytics, weekly site audits, Reddit, YouTube and LinkedIn citation reports, a Content Agent with CMS publishing, and an Action Board. It is used by 1,840+ brands and agencies and holds a 4.7/5 rating on G2.
Indexly is an AI search visibility platform that starts with an AI readiness audit and works toward traffic. It tracks ChatGPT, Gemini, Perplexity, Claude, Grok, and AI Overviews, then adds what it calls agents: Content Agents, Forum Agents for Reddit, and Social and Ad Agents for LinkedIn, X, and ChatGPT Ads. It also bundles SEO basics like keyword opportunities, backlink intelligence, and automated indexing. The pitch is 'AI Search Growth on Autopilot', and the workflow is: pick buyer questions, publish, distribute, measure.
Side-by-side comparison
| Feature | Promptwatch | Indexly |
|---|---|---|
| Entry price | $95/mo (Essential) | $99/mo (Starter) |
| Free option | Free Explore tier + 7-day trial | Trial only, no free tier |
| Prompts at entry | 50 | 50 |
| Models at entry | All models | 3 models |
| Data source | Real consumer UIs | Not stated in detail |
| AI crawler logs | Yes, IP-verified | Not confirmed |
| AI traffic attribution | Visitor analytics, 360 Insights | AI referral analytics (Growth+) |
| Reddit tracking | Yes, plus YouTube and LinkedIn citations | Reddit monitoring (Growth+) |
| Content generation | Content Agent, Content Refresh (Professional+) | Content agents, 10 to 60 articles/mo |
| Traditional SEO suite | Search Console and Bing data, site audit | Keywords, backlinks, indexing, audit |
| API / MCP | Essential and up, 110+ MCP tools | API on Scale only |
| Agency / white-label | Agency plans from $199/mo | Scale ($499) and up |
| G2 rating | 4.7/5 | Not found |
Head-to-head deep dive
Tracking depth and data quality
Both tools track the big engines. The difference is in how much context you get. Promptwatch records prompt volumes, difficulty scores, and query fan-outs (the exact web searches an AI runs per response). That tells you which prompts are worth chasing. Metrics like Visibility Score, Share of Voice, position, and sentiment are read together to locate the problem: low Share of Voice is a coverage issue, late position is prominence, mentions without self-citations point to crawlability.
Indexly tracks a fixed prompt watchlist daily and includes a hallucination detector, sentiment, and query fanout. It's competent. But the prompt cap is shared across brands and projects, and on Starter you get 3 models, so wider coverage costs you an upgrade.
| Area | Promptwatch | Indexly |
|---|---|---|
| Engines | 9+ incl. AI Mode, Copilot, Alexa | 6 incl. Grok |
| Prompt volumes and difficulty | Yes | Not confirmed |
| Query fan-outs | Yes | Yes |
| Sentiment | Yes, with weekly AI summary | Yes |
| Hallucination detection | No | Yes |
Verdict: Promptwatch, on depth. Indexly's hallucination detector is a nice extra.
Crawler logs and technical visibility
This is the biggest gap. Promptwatch's Agent Analytics shows IP-verified hits from GPTBot, ChatGPT-User, ClaudeBot, PerplexityBot and others, which pages they read, which errors they hit, and a citation rate per page. Spoofed bots are filtered out. Combine that with weekly site audits (21 checks) and you can see why a page isn't getting cited.
Indexly offers an AI readiness audit (robots.txt for AI crawlers, schema, canonicals) and generates an llms.txt file. Useful, but it is a checklist, not a log of what bots actually did.
This matters more than it sounds. Promptwatch Data shows how quickly crawler mix shifts, and Meta-WebIndexer went from about 2% to nearly 38% of tracked AI crawler requests between mid-July and August 9, 2026. If you can't see crawlers, you won't notice that kind of change.
Verdict: Promptwatch, clearly.
Content creation and publishing
Indexly is more generous with volume. Starter includes 10 articles a month, Growth 30, Scale 60, with an Auto-Pilot agent and CMS integrations from Growth. If your bottleneck is output, that is attractive. One third-party review criticizes it as producing content at scale rather than diagnosing which existing pages to fix. I can't fully verify that, but it matches how the product is positioned.
Promptwatch's Content Agent plans, writes, and publishes to Webflow, Framer, or WordPress based on visibility gaps, with a review inbox or hands-off mode. Content Refresh gives git-diff-style updates to existing pages, and a Knowledge Base and Brand Book keep tone consistent. Published pages are tracked through crawls, citations, and AI traffic, and underperformers come back as Action Board items. The catch: Essential has no content writing. You need Professional ($245) or higher, and the fully automated agent is on Business.
| Area | Promptwatch | Indexly |
|---|---|---|
| Cheapest tier with content | Professional, $245/mo (5 AEO articles) | Starter, $99/mo (10 articles) |
| Automated publishing | Business ($579) | Growth ($299) |
| Refresh existing pages | Yes | Content optimization 10 to 25/mo |
| Closed-loop tracking per page | Yes | Partial |
Verdict: Indexly for cheap volume. Promptwatch for content that is tied to evidence and measured afterward.
Reddit, social, and ads
Indexly's Forum Agent finds Reddit conversations and drafts disclosed, answer-first replies. The Social Agent covers LinkedIn and X, with Instagram coming soon, and it can build ChatGPT ad concepts. That is a broader set of distribution tools than Promptwatch offers.
Promptwatch approaches this from the measurement side: dedicated reports for the subreddits, videos, channels, and LinkedIn posts AI actually cites, plus 'My channels' filters. It also has Ads Radar to see which advertisers bid on your prompts. Worth knowing before you invest in Reddit: Promptwatch's data shows reddit.com's share of ChatGPT citations fell from about 4% to 0.5% on August 14, 2026, and ChatGPT drew just 0.46% of citations from social platforms versus 12.2% for AI Overviews (Sep 28 to Oct 4, 2026). Social effort pays off differently by engine.
Verdict: Indexly if you want agents that participate. Promptwatch if you want to know which channels are worth it first.
Traffic and attribution
Both connect visibility to visits. Indexly offers AI traffic analytics on Growth and up. Promptwatch includes visitor analytics from Essential (200K events), and 360 Insights joins crawls, citations, clicks, and Search Console and Bing data per page. That lets you ask 'which pages rank in Google but never get cited by AI?' Crisp reported 2x higher conversion from AI traffic, and TreeHouse reached roughly 25% of organic conversions from AI search.
Verdict: Promptwatch, thanks to page-level joins.
Traditional SEO features
Indexly wins here. Keyword tracking, backlink intelligence, automated indexing (200 to 1,000 URLs a day), and website audits (100 to 1,000 pages) come in the same subscription. Promptwatch is not a classic SERP rank tracker. It brings in Search Console and Bing data but doesn't replace a full SEO suite.
Verdict: Indexly.
Pricing comparison
| Plan | Promptwatch | Indexly |
|---|---|---|
| Free | Explore: 10 prompts, ChatGPT only | None |
| Entry | Essential $95/mo: 50 prompts, 6,000 responses, all models | Starter $99/mo: 50 prompts, 3 models |
| Mid | Professional $245/mo: 150 prompts, 18,000 responses | Growth $299/mo: 100 prompts, 4 models |
| Upper | Business $579/mo: 350 prompts, 42,000 responses | Scale $499/mo: 200 prompts, 5 models |
| Agencies | Kick-off $199, Growth $399, Scale $799 | White-label from Scale |
| Enterprise | Custom, SSO | Custom, done-for-you service |
| Annual discount | 12 months for the price of 10 | About 17% |
Indexly's pricing page shows a conflicting card (100 prompts, 2 sites at $99), so check before you buy. Confirm Promptwatch's numbers at promptwatch.com/pricing.
Per prompt, Promptwatch is cheaper at every tier: $1.90 at Essential, $1.63 at Professional, and $1.65 at Business, versus Indexly's $1.98, $2.99, and $2.50.
Pros and cons
Promptwatch
- Real-UI tracking across the widest engine list, with prompt volumes and difficulty
- IP-verified crawler logs and weekly site audits
- Page-level tracking from crawl to citation to click
- Free tier, agency plans, and MCP/API from the first paid plan
- Content writing is locked behind Professional
- Business is demo-only, with no self-serve trial
- Not an SEO suite: no backlink or keyword database
Indexly
- SEO and AI visibility in one subscription
- Generous article quotas and Reddit/LinkedIn/X agents
- Hallucination detector and llms.txt generation
- Multi-model coverage, CMS, and API are held back for higher tiers
- No confirmed crawler logs and no permanent free tier
- Fewer independent reviews, and some pricing page inconsistencies
Who should pick which tool
| If you are... | Pick |
|---|---|
| An SEO or content team that wants proof of why AI does or doesn't cite you | Promptwatch |
| An agency managing many clients | Promptwatch |
| A developer-tool or API company | Promptwatch (coding agent tracking) |
| A startup without Semrush or Ahrefs wanting one tool | Indexly |
| A team that needs lots of articles on a tight budget | Indexly |
| A brand that wants Reddit and LinkedIn participation automated | Indexly |
If you're still shortlisting, the GEO software directory lists other options. And if your wider goal is ranking in Google and getting cited by AI, an agency like 1001 SEO Media can pair tooling with strategy.
Final verdict
Promptwatch is the better pick for most teams serious about AI search: it shows why you are or aren't visible, fixes it, and checks whether the fix worked. Indexly is a reasonable all-in-one if you want SEO basics and high-volume content for about the same entry price.