Choose Improve ASO when…
You want a human to research the live iOS listing, rewrite the metadata, review conversion gaps, and tell you what to ship first.
Buyer guide / Official sources checked
10 best App Store Optimization tools.
The best ASO option depends on the job: choosing a strategy, researching keywords, tracking rankings, comparing competitors, managing reviews, or understanding the wider app market.
01 / Short answer
Pick the option that matches your bottleneck.
A broad enterprise platform is not automatically better than a focused Mac app, Apple’s free dashboards, or a human report. Buy the smallest option that answers your repeated question.
Choose software when…
You have someone who will use keyword, ranking, competitor, review, or market data repeatedly and turn it into decisions over time.
How this list works: Improve ASO appears first because this is the service offered on this site and it is the only human, done-for-you option in the table. The remaining products are matched to the use case their official product material supports. This is not a claim that one option is universally best. Features and plans change, so verify the current vendor page before purchasing.
02 / Comparison table
Top ASO tools and services at a glance.
| Option | Type | Best for | Core strength | Consider before buying |
|---|---|---|---|---|
| 1Improve ASO Our pick for decisions | Human iOS ASO service | Indie developers and small teams that want ready-to-ship recommendations | Research, rewritten metadata, conversion direction, and rollout priorities in one deliverable | iOS only; not a live rank-tracking dashboard |
| 2Astro | Native Mac software | Independent Apple developers | Focused keyword research, popularity and difficulty context, competitor keywords, and ranking history | Mac and Apple ecosystem focus; you still interpret and implement the data |
| 3AppTweak | Web platform | Growth teams and agencies operating across markets | Deep keyword, competitor, creative, market, and reporting workflows | A broad platform can be more than a single-app team needs |
| 4Appfigures | Web platform | Teams combining ASO with app analytics and competitive intelligence | Keyword discovery, rank tracking, competitor analysis, and wider app performance context | Choose a plan around the apps, tracked keywords, and intelligence depth you actually need |
| 5MobileAction | Web platform | Teams connecting organic ASO and paid Apple Ads intelligence | Keyword, competitor, visibility, creative, localization, and paid-search research | Most useful when a team will actively operate both organic and paid workflows |
| 6App Radar | Web platform | Teams that want research and store-listing workflows together | Keyword discovery and tracking, competitor comparison, metadata editing, and listing operations | Review permissions and import/export behavior before connecting production store accounts |
| 7AppFollow | Web platform | Teams where ratings, reviews, and reputation are central to ASO | Review workflows alongside keyword, organic, competitor, and store-performance views | Best value appears when review operations are a real recurring workload |
| 8ASOMobile | Web platform | Budget-conscious teams that need both stores and a free starting tier | Keyword research and tracking, competitor analysis, metadata tools, and market modules | Compare free and paid limits against your app, keyword, country, and API needs |
| 9Sensor Tower | Enterprise intelligence platform | Organizations making market, portfolio, and competitive investment decisions | Large-scale app, market, advertising, audience, download, and revenue intelligence | Often more platform and sales process than an indie app needs for routine ASO |
| 10App Store Connect + Apple Ads | First-party Apple tools | Every iOS developer, especially with a zero software budget | First-party acquisition, conversion, search-term, campaign, and product data | Less convenient for competitor research and ongoing keyword rank history |
03 / The top 10
Which ASO option is best for you?
Use these fit summaries to create a two- or three-option shortlist. Then test the workflow with one real app and one real decision.
Improve ASO
Best for: founders who want answers, not another tool to operate. You receive iOS storefront research, a competitor review, keyword and metadata recommendations, conversion direction, and a prioritized rollout plan. Choose it when the bottleneck is deciding what to change.
Astro
Best for: indie Apple developers who want a focused native workflow. Astro provides keyword popularity and difficulty context, daily rank history, suggestions, competitor keywords, translations, and ratings analysis across Apple storefronts.
AppTweak
Best for: app-first growth teams and agencies. Its official ASO suite spans keyword research and monitoring, competitor and creative tracking, featuring, estimates, reporting, and Apple Ads connections across many markets.
Appfigures
Best for: teams that want ASO beside app analytics and competitive intelligence. The ASO product covers keyword discovery, ranking changes, competitors, translation, alerts, and performance context.
MobileAction
Best for: growth teams connecting organic visibility with Apple Ads research. Its product pages emphasize keyword and competitor tracking, localization and creative analysis, store visibility, and paid keyword intelligence.
App Radar
Best for: teams that want to research, draft, and operate listings in one place. It combines keyword finder and tracker views, competitor comparisons, metadata editing, analytics, and review workflows.
AppFollow
Best for: products with a large review and reputation workload. AppFollow combines review operations with keyword tracking, organic dashboards, competitor views, app updates, featuring, and conversion benchmarks.
ASOMobile
Best for: developers who want a broad free starting tier and support for both App Store and Google Play. Paid plans expand keyword, competitor, market, metadata, review, and API capabilities.
Sensor Tower
Best for: companies making market- and portfolio-level decisions. It belongs on a shortlist when competitive downloads, revenue, advertising, audience, and market intelligence matter more than a lightweight keyword workflow.
App Store Connect + Apple Ads
Best for: every iOS developer. Start with Apple’s acquisition, conversion, territory, campaign, search-term, and product data before paying for more estimates. Add software when you need faster research, competitors, or rank history.
04 / Buying checklist
Evaluate the workflow, not the feature count.
What repeated decision will it improve?
“Find and track US keywords before each release” is specific. “Get more ASO data” is not.
Who will operate it?
Software only creates value when someone owns research, interpretation, implementation, and review.
Which data is first party?
Separate your App Store Connect data, public store observations, modeled estimates, and vendor scores.
Which stores and countries matter?
An iOS-only indie app, a global game, and a cross-store agency need different coverage and limits.
Can you preserve history?
Exports, notes, release markers, rankings, and before/after comparisons make repeated work more valuable.
What is the real annual cost?
Check apps, countries, keywords, seats, exports, APIs, onboarding, and the team time required to use the product.
05 / Recommended stacks
You may need a combination, not one winner.
| Situation | Start with | Add when needed |
|---|---|---|
| First iOS launch | App Store Connect, Apple Ads keyword context, and the launch guide | Improve ASO when you want an outside review and ready-to-ship plan |
| Indie app, ongoing ASO | Improve ASO for the first prioritized release | Astro for repeated research and ranking history |
| Growing cross-store team | AppTweak, Appfigures, MobileAction, App Radar, or ASOMobile based on the main workflow | Specialized review, paid acquisition, or market intelligence as the workload grows |
| Review-heavy product | AppFollow for review and reputation operations | A deeper keyword or market platform if discovery work becomes the constraint |
| Enterprise portfolio | AppTweak, MobileAction, Appfigures, or Sensor Tower depending on organic, paid, or market needs | Human consulting and internal owners for implementation and experimentation |
06 / Sources
Verify the shortlist.
These official product pages informed the feature summaries. Open the current plan and documentation before making a purchase.
07 / FAQ
Common ASO tool questions.
What is the best ASO tool for an indie iOS developer?
Choose Improve ASO when you want human recommendations and rewritten metadata; Astro when you want a focused Mac app for ongoing keyword research and ranking history; or start with App Store Connect and Apple Ads when your software budget is zero.
Do ASO tools guarantee higher rankings?
No. ASO tools organize store data, estimates, rankings, and workflows. They cannot guarantee a ranking, downloads, subscriptions, or revenue.
Should I buy an ASO tool or hire an ASO service?
Buy software when someone on the team can research, interpret, implement, and monitor ASO repeatedly. Buy a service when your constraint is deciding what to change and producing a practical release plan.
Can I do ASO for free?
Yes. Start with App Store search, App Store Connect Analytics, Apple Ads data, reviews, competitor listings, and a spreadsheet. Pay when software saves repeated time or a service improves an important decision.
Which ASO tool supports both the App Store and Google Play?
AppTweak, Appfigures, MobileAction, App Radar, AppFollow, ASOMobile, and Sensor Tower cover both ecosystems in different ways. Improve ASO and Astro are deliberately Apple-focused. Confirm current country, store, and plan coverage with each vendor.
Want the recommendations made for you?
Improve ASO turns your live iOS listing into specific metadata, conversion priorities, and an ordered plan delivered within three business days after complete intake.