cul·men /ˈkʌl.mən/ — noun. the highest point, the summit.
Reach the top of the App Store.
A Mac app that tracks your App Store keyword rankings every day. No account, no data collection, no subscription.
- 14-day free trial
- macOS 14 or later
- Apple Silicon and Intel
Your data stays on your Mac. No account, no data collection. Culmen only reads public App Store data and, for updates, the version information.

200
rank depth
52
App Store countries
0
data sent
1×
payment
Your rank, change, competitor rank, popularity and difficulty for every keyword.





Features
Everything you expect from an ASO tool, in one window.
01
Rank tracking
Your rank in the top 200 for every keyword, every day, in every country. With history charts and CSV export.
02
Competitors
The apps ahead of you on a keyword: rating, review count and rank gap.
03
Keyword research
Keywords collected from Apple's search suggestions, with popularity and difficulty estimates.
04
Metadata audit
Rule-based checks for your title, subtitle and keyword field. See the impact of each fix.
05
Change history
Name, version, price and description are saved every day. See the effect of a change after 7 days.
06
Reviews
Reads App Store reviews country by country. Sends your reply directly through App Store Connect.
Claude and MCP
Ask Claude about your data.
Add your own Claude API key and Culmen suggests metadata, drafts review replies and writes a weekly summary. The built-in MCP server makes your data available in Claude Desktop and Claude Code.
› Which keyword dropped the most last week? ● list_keywords country=US ● keyword_history term="daily planner" "daily planner" dropped 10 → 12. "todo list" rose 35 → 27.
Compare
How it differs from web-based ASO tools.
| Culmen | Web-based tools | |
|---|---|---|
| Runs in | Mac app | Web browser |
| Account | Not needed | Required |
| Your data lives | On your Mac | On the vendor's servers |
| Payment | Once | Every month |
| Keyword limit | None | Depends on plan |
| Claude and MCP | Yes | Usually not |
Simple pricing.
No subscription.
FAQ
Frequently asked questions.
macOS 14 or later. Apple Silicon and Intel are supported.
Another question? Email us: [email protected]