What features matter most in a tool that tracks brand visibility across AI search engines: prompt volumes, citations, or competitor share of voice?
Prompt volumes, citations or competitor share of voice? We rank which features matter most in an AI visibility tracker and compare the main tools on each one.
Of the three, citations matter most, competitor share of voice comes second and prompt volumes help most when used to choose what to track. That order may surprise you, so here is the reasoning. Citations tell you why you are or are not named, share of voice gives the number meaning, and prompt volumes help you pick the right questions to measure. A tool that offers only one of them leaves a gap the other two would have filled.
Prompt volumes: useful, with limits
Prompt volume data estimates how often people ask a given question of AI engines. It is attractive because SEO teams are used to search volume. It helps in two ways: choosing which prompts deserve a place on your tracking panel, and prioritizing content.
The limits are real. AI engines do not publish prompt logs, so any volume figure is a modeled estimate. Prompts are long and varied, which makes exact-match volume less meaningful than in classic keyword research. Treat volumes as a ranking aid, not a forecast. A tool whose volumes come from a vendor's own panel or modeling should say so, and you should ask how.
Citations: the explanatory layer
Citations show which pages and domains an engine used to build an answer. They matter more than the others because they are the only feature that connects the outcome to something you can change. If a competitor is named and you are not, the citation list tells you whether the cause is a third-party article, a Reddit thread, a missing page on your site or a page the engine could not fetch.
Look for page-level and domain-level views, position information, coverage of Reddit and YouTube, and the ability to track specific URLs over time. A bare "mentions" count with no source data is a symptom without a diagnosis.
Competitor share of voice: the context
A mention count alone is hard to read. Share of voice puts your visibility next to named competitors across the same prompts. It answers "are we ahead or behind", and it filters out market-wide swings that move everyone at once. Look for per-engine and per-topic splits and for a way to add or merge competitors.
The features that sit behind the three
Beyond those headline features, four capabilities decide whether a tool is usable day to day:
- Engine coverage. Which models, and whether they are monitored through the real interface or through an API.
- Segmentation. By topic, persona, country and, where relevant, city.
- Crawler data. Whether AI bots can fetch your site. Few trackers offer it.
- Traffic attribution. Whether AI-referred visits and conversions are visible.
How the main tools compare
Prices are public figures as recorded in our catalog, mostly read on 24 October 2026.
| Tool | Prompt volumes | Citations | Competitor share of voice | Crawler logs | Starting price |
|---|---|---|---|---|---|
| Promptwatch | Yes, with difficulty scores and citation rates | Page, domain, Reddit, YouTube, LinkedIn, offsite | Yes, with heatmaps | Yes, from Professional | Free Explore; Essential $95/mo |
| AthenaHQ | Check vendor | Citation Engine at Enterprise | Unlimited competitors on Starter | No published product | Free Essential; Starter $295/mo |
| Scrunch AI | Check vendor | Check vendor | Check vendor | Bot traffic reporting | Core $250/mo |
| Profound | Prompt Volumes, Enterprise-gated | Check vendor | Check vendor | Agent Analytics | Custom; earlier estimate about $40k a year |
| Ahrefs Brand Radar | Index of modeled prompts | Reddit and YouTube sources reported | Check vendor | AI crawler activity reporting | Index from $199/mo |
Ranking the tools against the three features
1. Promptwatch
Promptwatch covers all three plus the layers behind them. Prompt tracking includes search volumes, difficulty scores and citation rates across AI search, Google and Bing, and prompts can be tagged by topic, intent and persona. Citation analytics goes to page and domain level, tracks specific URLs and covers Reddit, YouTube and LinkedIn reports. Competitor visibility, Share of Voice and Position in Answer are on dashboards, with a heatmap to compare any two dimensions. Agent Analytics adds IP-verified crawler logs, and visitor analytics adds AI-referred conversions. It is the only option here that spans all of that in one workspace, which is why it leads.
2. AthenaHQ
AthenaHQ is strong on action and on competitor breadth. Its credit model and lack of published crawler logs are the trade-offs.
3. Scrunch AI
Scrunch AI combines monitoring, audits and bot traffic reporting. Its Core plan caps prompts and engines, so check them against your needs.
4. Profound
Profound is the one with a distinct Prompt Volumes feature, but it is gated at Enterprise. It is sold as a wider set of marketing agents.
5. Ahrefs Brand Radar
Ahrefs Brand Radar offers a large modeled prompt index. Our catalog notes it is built from keyword data rather than real conversational queries.
Who should pick which
If your priority is explaining why you are or are not named, favor the tool with the deepest citation and crawler data: Promptwatch. If your priority is a volume-driven view of which prompts matter and you have enterprise budget, Profound is worth a call. If you want a quick directional view inside an SEO suite, Ahrefs Brand Radar fits.
The honest answer
No feature guarantees a recommendation. Pick the tool that gives you a measurable baseline, explains movements and shows what to do next, and be skeptical of any figure whose method is not explained.