ASO.dev Alternative for Indie iOS Developers: RespectASO vs ASO.dev

What Is ASO.dev?

ASO.dev is a hosted ASO platform for app developers, paired with an App Store Connect companion iOS app for managing metadata. It covers keyword research and metadata workflows for the App Store and Google Play, and its site describes an AI Companion (MCP) for working with ChatGPT, Claude, and Cursor.

ASO.dev sits in the same indie-friendly part of the market as RespectASO, which means the comparison is more about workflow choice than about a stark feature gap.

Fundamental Differences

RespectASO is built for developers who want local-first iOS keyword research, transparent scoring, open-source core tooling, and Pro agentic AI workflows for niche research, competitor analysis, and metadata simulation. ASO.dev is designed around a hosted research-and-metadata workspace for app developers.

Key Differences

Hosted Workspace vs. Local-First Architecture

ASO.dev stores your research and metadata work in its hosted workspace. RespectASO is local-first by architecture: the keywords you research, the apps you track, and your search history stay on your Mac, with no RespectASO account or telemetry. The privacy-first ASO tool page lists everything the app connects to (Apple, GitHub to check for a new version, the AI provider you pick for Pro AI, and the license check), so you can see exactly what leaves your Mac.

Subscription vs. Open-Source Free Edition

ASO.dev offers paid subscription tiers with a trial. The RespectASO free edition is the open-source core app under AGPL-3.0 with the source on GitHub. You can read the code, run it as a Mac app, or self-host with Docker via the included docker-compose.yml. The open-source ASO tool page explains the AGPL community fork and how it relates to Pro.

Country Opportunity Scanning

For indie iOS developers, the country choice is one of the most important launch decisions. RespectASO's Country Opportunity Finder scans the App Store storefronts you pick for a single keyword and ranks them by opportunity score. That makes it practical to find tractable launch markets for an app that can't fight US Top 5 from day one.

Two MCP Stories, Different Data

Both tools connect to AI assistants. ASO.dev describes an AI Companion (MCP) for metadata automation with ChatGPT, Claude, and Cursor. RespectASO Pro ships a first-party MCP server with 32 ASO tools that work with your own research on your Mac: keyword scoring, opportunity scans, Top Search Terms, and the three agentic AI workflows (AI Niche Researcher, AI Competitor Analyzer, and ASO Score Simulator). Pro is BYOK with any cloud model, or a local model via Ollama or LM Studio.

RespectASO's Advanced Strengths

Recent RespectASO releases added a set of capabilities that matter in any ASO tool comparison:

• Every App Store storefront: keyword research, difficulty, competitors and the Country Opportunity Finder work in all 175 storefronts Apple operates, not a shortlist of the big ones. The supported countries page lists them, and says where Apple publishes search popularity and where Apple offers an App Store listing language, so you know what a market will give you before you spend time on it.
• Official Apple popularity data (free): connect a free Apple Ads API key once (no campaigns, no ad spend) and RespectASO shows Apple's official weekly search popularity from the Apple Ads Platform API. You choose whether Apple's values or the built-in estimate power your scores, and the key stays on your computer. How the two sources work.
• A calibrated estimate: where Apple publishes no popularity, the built-in estimate fills in, fitted against thousands of Apple's official search-popularity values across several countries, so it speaks the same scale as Apple's own numbers.
• A measured rank, for your app: the opportunity score is built on where apps like yours actually land in the search results, measured on 309 real App Store searches in six countries, and it is scored for the app you track the keyword for, from its own ratings in each storefront. Under every score RespectASO shows the rank it assumed and why. How the score is worked out.
• AI that scores for your app (Pro): the AI Niche Researcher and the AI Competitor Analyzer can score every keyword for one of your own apps, from its ratings and the ranks the Keywords page measured for it. The ASO Score Simulator says when a low score comes from the app's missing ratings rather than its metadata, shows what the same metadata would score with 100 ratings, and tells you how each refined version's estimated search downloads compare with your current metadata. How the AI features work.
• Whole keyword lists in one search (Pro): paste up to 1,000 keywords and RespectASO researches them across up to 5 storefronts in the background. Switch tabs or quit the app, and it continues where it left off, with the results streaming into Tracked Keywords as they come in. The free edition takes 3 keywords per search.
• Top Search Terms (Pro): browse Apple's official most-searched terms per storefront and category: up to 500 terms across 15 categories with rank, popularity, weekly climbers and fallers, and brand-new entries. Track any term or send it to the AI Researcher in one click.
• Rival Tracker (Pro): follow your app against up to 10 rivals every day in up to 3 countries: ranks on your keywords with 13 months of history, ratings side by side, each rival's App Store updates, and a weekly AI summary of what their users complain about. How Rival Tracker works.
• A first-party MCP server (Pro): all 32 ASO tools are usable from Claude Desktop, Claude Code, Cursor, VS Code, and other MCP clients: your assistant scores keywords, runs opportunity scans, and drives the AI workflows against your own local research data. MCP setup.
• Any AI model, any provider (Pro): type any model ID from OpenAI, Anthropic, Google Gemini, or OpenRouter. The in-app test is the only gate, so new models work the day they ship. Connect any other OpenAI-compatible service (OpenCode Zen, Groq, and similar) as a custom endpoint with its address, your key, and a model ID. Or skip the cloud entirely and run a local model via Ollama or LM Studio with no per-query cost.
• Source-aware AI reports (Pro): every AI analysis states which popularity source produced its numbers, and saved reports freeze their figures so the text and the numbers always match. See everything in Pro.

Where the Hours Go

Manual keyword research is slow in a very specific way: checking one keyword in one storefront means an App Store search, a scroll through the results, and notes on the top apps. That is a few minutes every time, multiplied by every keyword and every country you care about. RespectASO automates exactly that arithmetic. With Pro, one search takes a list of up to 1,000 keywords across 5 storefronts and works through it in the background (you can switch tabs or quit, and it continues where it left off), and the Country Opportunity Finder checks a keyword across the storefronts you pick, which would otherwise cost an afternoon of storefront-by-storefront checking.

The rest of the routine runs itself: tracked keywords update by themselves every day, Apple's official popularity arrives every week with nothing to click, and bulk actions apply to your whole selection even across pages. With Pro, Rival Tracker checks where your app and up to 10 rivals rank on every followed keyword each day, records their ratings and App Store updates, and collects their newest reviews, a check that would otherwise mean opening every rival's page every morning. With Pro, the AI Niche Researcher turns one seed keyword into 50-70 scored candidates plus ready-to-test metadata in a single run, and through MCP your AI assistant runs the same research mid-conversation, with no app switching and no copy-pasting of scores.

When RespectASO Is the Better Fit

• You want privacy that's a property of the architecture (research that stays on your Mac, no account, no telemetry) and a published list of everything the app connects to.
• You want Apple's official search-popularity data powering your scores, updated weekly through your own free Apple Ads key.
• You want an open-source free edition you can inspect and either run as a Mac app or self-host with Docker.
• You want Country Opportunity Finder to pick launch markets across many storefronts at once.
• You want Pro agentic AI workflows for niche research, competitor analysis, and metadata simulation with BYOK: any cloud model, or a local one via Ollama or LM Studio.
• You want a free edition that's the full free edition rather than a trial.

When ASO.dev Is the Better Fit

• You prefer a hosted product you can open from any device without installing a desktop app or running Docker.
• You want an App Store Connect companion app for managing metadata from a hosted workspace.
• You publish on Google Play as well and want both stores in one subscription.

The Bottom Line

ASO.dev is a hosted ASO platform with metadata management and an AI Companion (MCP). RespectASO is a local-first iOS keyword research and metadata workflow with Apple's official popularity data available at no cost, an open-source free edition, the Country Opportunity Finder for launch-market selection, and Pro agentic AI workflows that compress the research-to-metadata cycle.

For comparisons with other indie-friendly tools, see how RespectASO compares to TheTool, Sonar, or Appfigures.