App Store Optimization (ASO)
Free app store optimization tools
26 of the 43 app store optimization tools in this directory are free or have a free plan.
2 have no paid plan at all. The rest pair a free plan with paid ones, and the table says what each free plan includes.
Listings checked up to Oct 23, 2026 · Where the facts come from
| Tool | Price | What is free |
|---|---|---|
| Sensor TowerMarket intelligence on app downloads, revenue, usage and ads | Free plan | A free account can be created on the site; Sensor Tower says full access to App Performance Insights needs a paid plan and does not list what the free account includes. |
| AppFollowApp review management with AI replies, plus ASO keyword tracking | Free plan · from $19/mo | Track 2 apps and 1,000 keywords in all countries, invite up to 5 team members, and see reviews, updates and rankings, with integrations and email reports. |
| AppfiguresApp analytics, review replies and ASO keyword tracking in one account | Free plan · from $7.99/mo | Connect up to 5 apps and track their downloads, revenue, subscriptions, ad revenue, campaign spend and payouts. No keyword tracking or review replies. |
| AsodeskASO keyword research, rank tracking and review replies for apps | Free plan · from $47/mo | 1 app, 200 keywords, 1 teammate, 100 review replies and 100 API credits a month, with ASO monitoring, top charts and email or Slack reports. |
| SplitMetricsStore page A/B testing and Apple Ads campaign automation | Free plan · from $500/mo | Acquire Starter: manage up to $25,000 of monthly Apple Ads spend, 20,000 keywords, 8 active automations and 1 user, free with no time limit and no card. |
| ASOMobileASO keyword tracking and research for the App Store and Google Play | Free plan · from $47/mo | Free plan, no card needed: 20 keywords, 2 apps, 1 teammate, 10 competitors and 100 review replies, with rank tracking, top charts and category rankings. |
| AstroMac app for App Store keyword research and daily rank tracking | Free plan · from $9/mo | The free version tracks up to 10 keywords, without the popularity and difficulty scores. |
| AppDriftASO workspace for keywords, screenshots, translation and publishing | Free plan · from $14.99/mo | 1 app, 5 keywords tracked daily, 1 competitor, the screenshot editor with unlimited exports and no watermark, and 50 AI tokens once. It does not expire. |
| ApplyraFlat-price ASO keyword tracker for the App Store and Google Play | Free plan · from $8.33/mo | 1 app, 5 keywords, 1 competitor, 7 days of ranking history and 25 keyword inspections a month on both stores. No AI suggestions, exports, API or MCP. |
| AppVectorASO platform for keyword ranks, reviews and Google Play downloads | Free plan · from $49/mo | 1 app, 10 keywords per app, 1 team member and 5,000 credits a month. |
| ASOToolKeyword research and rank tracking for App Store and Google Play | Free plan · from $12.99/mo | 10 searches a day, 1 app, 10 saved keywords and 2 competitors, with a daily rank email and full history on both stores. No Optimize or team workspaces. |
| FoxDataApp market intelligence with ASO, Apple Ads and download estimates | Free plan · from $9.90/mo | Free account: 1 seat and 2 tracked apps with limited keyword and competitor tracking. Exports, the API and download estimates need a paid plan. |
| AppStoreSpyApp market research with install estimates and a Play Store extension | Free plan · from $15/mo | 1 user, 100 app views a day, Google Play keyword analysis, 1 collection of 5 apps and 100 API credits a month. |
| SonarASO keyword data and rank tracking that AI agents can use over MCP | Free plan · from $24.17/mo | No account needed: 7 API and MCP endpoints, such as keyword suggestions and top charts, at 30 requests a day per IP and 5 keywords a day for keyword metrics. |
| ASOToolsFree ASO keyword research and app analytics for both app stores | Free | Everything. There is no paid plan. |
| RespectASOOpen-source Mac app for App Store keyword research, with AI Pro tools | Free plan · from ₹1,800/mo | Free open-source edition: keyword research in 175 storefronts, difficulty scores, competitor and rank tracking, opportunity finder and CSV export, with no account. |
| QimaiChinese app market data platform for ASO and Apple Ads | Free plan | A free edition sits beside the VIP, SVIP and Enterprise memberships: 10 apps, 100 keywords per app (1,000 in all) and 10 competitors. The comparison shows only after signing in. |
| AndroidRankFree Google Play rankings with install and rating history | Free | Everything. There is no paid plan. |
| AppLaunchpadBrowser-based App Store and Google Play screenshot generator | Free plan · from $10/mo | The drag-and-drop editor, 10 templates, 100+ graphics, 100 layouts and 70 fonts, and resizing to every device size, with limited exports. |
| AppSigmaApp Store keyword tracking and review analysis with an MCP server | Free plan · from $19.99/mo | 1 user, 1 app with 5 keywords in one market, daily positions, the newest 500 reviews analyzed, MCP access and 1,000 API credits. No card needed. |
| AsoBeastOpen-source ASO rank tracker for both app stores, hosted or self-run | Free plan · from $10/mo | Self-hosting is free with every feature, unlimited apps and keyword markets, and no rate limits; you run it with Docker. There is no free hosted plan after the trial. |
| ASOZenASO audits, keyword checks and rank tracking with a free tier | Free plan · from $9/mo | 3 full app audits and 10 keyword checks a month, 1 saved app with 1 tracked keyword checked daily, a 7-day changes window and 1 AI generation in total. |
| ASOStacksKeyword research and daily rank tracking for both app stores | Free plan · from $19/mo | 10 tracked keywords and 2 apps with daily rank checks, 20 keyword researches, 1 opportunity scan, 5 app reports and 5 AI tool runs a day. No card needed. |
| GetAppNicheApp market research with revenue estimates, ASO and a browser add-on | Free plan · from $20.75/mo | Free with an email sign-in: the extension's chart position and rating on any app, review growth on 2 apps, the newest listing change, 1 followed app, and free web tools. |
| AppBirdApp Store and Google Play market intelligence for indie studios | Free plan · from $199/mo | Free and signed-out visitors can browse the release feeds and archives with a 5-day preview of release history. |
| AppReplyApp review inbox with AI replies across five app stores | Free plan · from $79/mo | 1 connected App Store or Google Play app, 100 published replies a month, a unified inbox, 3 auto-reply rules, chat alerts and unlimited users. |
Common questions
Which app store optimization tools are free?
26 of the 43 app store optimization tools in this directory are free or have a free plan. They are Sensor Tower, AppFollow, Appfigures, Asodesk, SplitMetrics, ASOMobile, Astro, AppDrift, Applyra, AppVector, ASOTool, FoxData, AppStoreSpy, Sonar, ASOTools and 11 more.
Which app store optimization tools are free with no paid plan?
ASOTools and AndroidRank have no paid plan. The others on this page limit the free plan and sell paid ones.
When was this checked?
Every listing on this page was checked on Oct 23, 2026, against the pages it cites. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and each listing names the pages it was read from.