serp.ac vs Nightwatch
Nightwatch is a rank tracker that added AI-search tracking. It's the closest match to serp.ac on this list — here's where each one is stronger.
The short answer
Nightwatch is a capable rank tracker with AI tracking on six engines, daily updates, unlimited seats, white-label reports and a 14-day trial with no card.
Pick serp.ac when rank and AI tracking are only part of the job: it adds purchased-link management, a built-in Google indexer, a “why not visible” AI diagnosis and alerts on Telegram, Slack and Discord. Nightwatch also caps AI answers per month, which matters when you track many prompts on many engines.
Features: serp.ac vs Nightwatch
“Not listed” means their pricing or product page doesn't mention it — it may still exist.
| Feature | serp.ac | Nightwatch |
|---|---|---|
| AI visibility | ||
| AI engines for prompt tracking | ChatGPT, Perplexity, Google AI Mode, Gemini and Claude — any 3–5 by plan | ChatGPT, Claude, Gemini, Perplexity, AI Mode, AI Overview |
| How often AI answers are re-checked | Weekly (every 2 weeks on Starter) | Daily (AI answers capped per month) |
| Citations / sources in AI answers | ||
| Share of voice vs. competitors | Not listed | |
| “Why am I not visible?” diagnosis | Not listed | |
| Google AI Overview citations | With every daily rank check | |
| Google rankings & SEO | ||
| Daily Google rank tracking | 100–1,000 keywords, top 100, any location | 500–7,500 keywords, daily |
| Keyword research database | Volume & difficulty lookups only | Volumes and keyword ideas |
| Site audit | ||
| Links & indexing | ||
| Purchased-link management (price, payments, renewals, vendors) | ||
| Deindex alerts for purchased links | ||
| Built-in Google indexer | 100–2,000 URLs / month | |
| Team & access | ||
| API | ||
| Team seats | 1–25 by plan | Unlimited |
| Free trial | 7 days (card required) | 14 days, no card |
Price at comparable usage
Each row is the usage of one serp.ac plan, priced on Nightwatch with the cheapest plan and add-ons that cover it. Red lines are what that Nightwatch plan can't do for this usage.
Prices as listed on — check their site for current pricing: Nightwatch pricing.
- Nightwatch: prices are in euros and not converted. We count one AI answer as one prompt on one engine in one run, and assume runs can be spaced to your chosen frequency.
- serp.ac engines are picked in this order when a plan has fewer than 5: ChatGPT, Perplexity, Google AI Mode, Gemini, Claude. You can choose any of them in the app.
When to choose Nightwatch
- You want AI answers checked daily — serp.ac re-checks AI prompts weekly (every 2 weeks on starter).
- You track thousands of keywords: Nightwatch includes 2,500 keywords on Professional and 7,500 on Agency.
- You need unlimited team seats, white-label client reports or a trial without a card.
- You track Google AI Overviews as a separate engine alongside the five chat assistants.
Why teams switch to serp.ac
- No monthly cap on AI answers: your prompts run on every engine you pick, at your plan's frequency.
- A “why am I not visible?” diagnosis that shows which pages and sources AI engines prefer over yours.
- Billing in USD with a money-back guarantee after your first payment.
- Purchased-link management: log the price, payment date and vendor of every link you buy, get renewal reminders, and alerts when a link is lost, turns nofollow or its page is deindexed.
- A built-in Google indexer (100–2,000 URLs a month by plan) and bulk index checks, next to the links and pages you track.
- Alerts where your team already is: Telegram, Slack, Discord and email — plus a public API and a Chrome extension.
serp.ac vs Nightwatch: FAQ
What's the difference between serp.ac and Nightwatch?
Both track Google rankings daily and AI answers on the major engines. serp.ac adds purchased-link management, a Google indexer and an AI visibility diagnosis; Nightwatch checks AI answers daily, includes more keywords on its larger plans and offers unlimited seats.
What are AI answers in Nightwatch's plans?
Nightwatch's plans list a monthly number of AI answers (1,500 on Starter). If one answer is one prompt on one engine, 50 prompts on one engine checked daily uses 1,500 answers a month — so more engines mean a bigger plan.
Why are Nightwatch's prices in euros?
Nightwatch lists its prices in euros. We show them as listed instead of converting them.
Can I import my keywords from Nightwatch?
Yes. Export your keyword list from Nightwatch and paste it into a serp.ac project, one keyword per line, then pick the location and device to track.
More comparisons
Rank tracking, AI visibility on 5 engines, purchased-link management and indexing in one dashboard.
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