What to look for
Daily refresh cadence, mobile vs desktop split, local pack tracking, historical data retention, and honest sourcing (real SERP scraping vs modeled estimates).
All-in-one suites
Semrush and Ahrefs cover ranking, backlinks, audits, and content - great if you want one tool. The tradeoff is price ($100-$500+/mo) and a steep learning curve.
Rank-tracking specialists
AccuRanker and Nightwatch focus purely on rank tracking with the highest accuracy. Cheaper per keyword than the suites, no content tools.
AI-native alternatives
SEO Smart Engine covers rank tracking, audits, and AI-visibility (how often ChatGPT and Gemini cite you) at roughly half the price of Semrush. Best fit if AI search matters as much as Google to you.
Free options
Google Search Console is free and shows the truth for Google. Bing Webmaster Tools does the same for Bing. Neither tracks daily positions - use one of the paid tools for that.