Best Keyword Tool Apps

245+ iOS apps curated and reviewed

3.7 avg rating
19 free apps
Updated September 2026

Finding the right keyword tool apps can be overwhelming with so many options. We've analyzed 245+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Keyword Tool Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1SEO Keyword Research ToolSEO Keyword Research ToolFree was $9.993.5★ (26)NoYesSep 2026
2Keyword Master SEO ToolKeyword Master SEO ToolFreeYesNoSep 2026
3Keyword Search Tool & PlannerKeyword Search Tool & PlannerFreeYesYesAug 2026
4Keyword Scout: ASO ResearchKeyword Scout: ASO ResearchFree4.3★ (6)NoYesAug 2026
5Keyword Analyzer ToolsKeyword Analyzer ToolsFree4.2★ (5)YesNoMay 2026
6vidIQ for YouTube & InstagramvidIQ for YouTube & InstagramFree4.8★ (19K)NoYesSep 2026
7SEO Rank Check & Keyword ToolSEO Rank Check & Keyword ToolFreeNoYesAug 2026
8ASO Tool - AI Keyword TrackerASO Tool - AI Keyword TrackerFree5.0★ (6)YesYesAug 2026

Top Picks for Keyword Tool

SEO Keyword Research Tool#1

SEO Keyword Research Tool by Krager Labs LLC

Find Popular Searches & Trends
Editor's Choice
💼 Business
3.5(26 ratings)
FreeIn-App Purchases
SEO Keyword Research Tool screenshot 1
SEO Keyword Research Tool screenshot 2
SEO Keyword Research Tool screenshot 3
SEO Keyword Research Tool screenshot 4
SEO Keyword Research Tool screenshot 5
SEO Keyword Research Tool screenshot 6

This app helps you discover popular search terms and trends for Google and YouTube. It provides keyword suggestions, search volume, and cost-per-click data without requiring registration. Gain valuable market insights to improve your online presence.

More Keyword Tool apps to explore

FAQ about Keyword Tool

What are the best keyword tool apps for iPhone?
SEO Keyword Research Tool tops our keyword tool apps ranking as of September 2026, with a 3.5-star average from 26 App Store ratings, and it's free to download.
Yes — 19 of the top keyword tool apps we rank are free to download, including SEO Keyword Research Tool and Keyword Master SEO Tool.
SEO Keyword Research Tool has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 245+ keyword tool apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you find popular search terms and trends for Google and YouTube. It provides valuable market data such as suggested keywords, search volume, and cost-per-click (CPC) to enhance your SEO efforts.
Key features include discovering suggested keywords, analyzing search volume for those keywords, and determining the average cost per click (CPC). It also offers market data insights and requires no registration to use.

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