ASO Engine vs eryx
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
ASO Engine compared with eryx
| Detail | 
ASO Engine | 
eryx |
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| What it does | Research App Store keywords, translate metadata with your own OpenAI key, and review global pricing
| WebAssembly sandbox for running untrusted Python safely
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| Stage | Not given
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| Founded | Not given
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| Based in | US
| Not given
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| Pricing model | Free
| Open source
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| Pricing | $0 free to use for the current release. OpenAI API usage for AI translation is billed separately to your API account.
| Not given
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| Key features | - Keyword research with estimated popularity and difficulty scores
- Competitor analysis showing public app listings and keyword rankings
- App rank tracker for monitoring position by country
- Metadata translation using your own OpenAI API key
- Price Parity for reviewing in-app purchase and subscription pricing across territories
- Protected Keychain credential storage
- Apple Silicon and Intel Mac support
- Native Mac app with no browser dashboard required
- Drafts and review workflow before publishing changes
- macOS 15 or later support
| - Full CPython 3.14 with standard library
- Async callbacks from sandboxed code
- No filesystem or network unless allowed
- Fast startup in 1–5 milliseconds
- Embed from Python, JavaScript or Rust
- MCP server support
- gRPC server deployment
- Hosted execution over HTTP and WebSocket
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| What makes it different | - Native Mac app designed specifically for App Store research workflow, not a web dashboard
- You control your own credentials and API keys stored in the Mac's Data Protection Keychain
- Use your own OpenAI key for metadata translation with no separate AI service subscription
- Review and edit translations and pricing changes as drafts before publishing to App Store Connect
- No account or checkout required to download and use the current free release
| - Full CPython 3.14 running in WebAssembly
- Async callbacks between sandbox and host
- Extremely fast sandbox startup
- Works as MCP server for AI agents
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 9 ▼ −3 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 7 | 0 |
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| Citation Flow (Majestic) | 20 | 6 |
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| Referring domains (Majestic) | 6 | 2 |
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4 details filled in for both companies.
More alternatives to ASO Engine More alternatives to eryx