Grow App Store downloads with ASO built for indie developers.

Track your App Store keyword rankings, find metadata gaps, and grow organic downloads without an ASO team or a $400/month subscription.

Start free - no card needed

Free forever for 1 app, 50 tracked keywords, and daily rank updates.

Example of Marteso dashboard showing keyword rankings and organic installs charts

Used by indie studios and growth teams at

Fringelo. Aglo Solutions

Everything you need to get seen, ranked, and downloaded

Marteso One

  • Connect keywords, metadata, and competitors
  • Track rank movement and store visibility
  • Audit your listing for what blocks installs
Try for free
Store visibility 100 60 20 Jun Jul Aug

Keywords

  • Find keyword ideas with volume and difficulty
  • Track daily ranks across 180+ countries
  • See which terms competitors already own
See how it works
Keyword research Keyword Volume Rank 3 7 12 24

Metadata

  • Score your title, subtitle, and keyword field
  • Get AI suggestions with live character counts
  • Test store listings before you ship them
Start now
Listing audit 78% Title keywords 28 / 30 chars Keyword field 91 / 100 chars

Competitors

  • Benchmark ratings and review sentiment
  • Get alerts when rivals change their metadata
  • See your whole category at a glance
Try for free
Share of category You Rival A Rival B

Reviews

  • Track ratings and sentiment across countries
  • Spot themes in praise, bugs, and requests
  • See feedback next to your ASO metrics
Try for free
Sentiment Positive 72% Neutral 20% Negative 8%

Screenshots

  • Automate captures with GitHub Actions
  • Frame devices and localize captions fast
  • Ship App Store-ready assets every release
See how it works
Pipeline Capture screenshots ✓ Frame devices ✓ Localize captions ✓ Upload to App Store Connect ✓

Every ASO tool you need

From keyword research to review management - Marteso covers the full ASO workflow.

Keyword Research

Discover high-volume, low-competition keywords for your category. Get search volume scores, difficulty ratings, and trend data for 180+ countries.

Rank Tracking

Monitor your keyword positions daily across the App Store. Get instant alerts when you move up or drop out of the top results.

Metadata Optimizer

AI-assisted title, subtitle, and description suggestions. See keyword density, character counts, and store guidelines in real-time as you write.

Competitor Analysis

Track competitors' keyword strategies, ratings, reviews, and metadata changes over time. Benchmark your store performance side by side.

Review Management

Aggregate and analyze reviews from all storefronts. Detect sentiment trends, surface critical feedback, and respond directly from the dashboard.

Metadata Localization

Manage title, subtitle, keywords, and description across all 20+ App Store languages. Auto-translate drafts each locale; you review and approve before submission.

Get useful ASO signals in five minutes

The free tier is built to show value before setup becomes a project.

01

Enter your app

Add an App Store listing URL or search by app name. Marteso reads your current title, subtitle, category, rating, and visible keywords.

02

Review keyword suggestions

Marteso suggests seed keywords from your listing, competitor overlap, and category terms so your first tracking list is not blank.

03

Track what can move

Start with 50 free tracked keywords, daily rank updates, and a clear view of which metadata changes are worth testing next.

Simple, transparent pricing

Start for free. Upgrade as your app grows.

Starter
€0
forever free
For solo developers and early-stage apps getting started with ASO.
  • 1 app
  • 50 keywords tracked
  • Daily rank updates
  • 3 competitor apps
  • Review inbox
Get started free
Most popular
Pro
€18
per app / month
For growing apps that need deeper insights and full optimization tooling.
  • Unlimited apps
  • 500 keywords tracked
  • AI metadata optimizer
  • Unlimited competitors
  • Weekly email reports
Start with Pro
Agency
Custom
talk to us
For agencies and studios managing multiple clients and dozens of apps.
  • Everything in Pro
  • White-label reports
  • Client workspace management
  • API access
  • Dedicated account manager
Contact sales

Start with one app for free.

Track 50 App Store keywords, review competitor movement, and get metadata ideas without adding a credit card.

Create free account Read the docs