AstroFinder
Telescope pointing solved
Only for iPhone
Free · In‑App Purchases
iPhone
Try every feature free for a full month — no charge until it ends. Cancel anytime and pay nothing.
**AstroFinder turns your iPhone into a plate-solving push-to finder for any telescope — no motors, no alignment stars, no setting circles.**
Clamp your phone beside the scope. AstroFinder takes a short exposure of the real sky, identifies the star pattern the way a research plate-solver does, and repeats about once a second — so you always know exactly where you're pointed. A red-on-black star chart shows your aim live, and a simple arrow guides you onto whatever you want to see.
**Find anything**
• Planets, Sun and Moon — sorted by what's up right now
• Deep sky by catalog number — Messier, NGC, IC, and more, on a keyboard-free keypad
• Named stars and showpiece double stars
• "Best this month" — well-placed showpieces for your location, tonight, nearest to where you're already aimed
**Built for the eyepiece**
• Fully night-vision friendly: red on black, dimmable below the phone's own minimum
• Alt-azimuth mode for Dobsonians (no field rotation) or equatorial mode for tracking mounts
• Tap any object on the chart for details, then push-to it
• Optional constellation lines, labels, and progressive zoom as you close in
• Works in portrait or landscape, at any mounting angle
**How it works**
AstroFinder mounts alongside your telescope and syncs to your eyepiece in seconds. From then on, the chart and all guidance are aligned to your scope's actual aim. Everything runs on-device — no internet needed under the stars.
A one-month free trial gives you a full new-moon cycle to try it. Subscription then renews yearly; cancel anytime.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://www.santangeli.net/astrofinder/privacy
Clear skies.
Ratings & Reviews
- AstroFinder now speaks 14 languages — the whole app is localized.
- Clearer free-trial details on the subscription screen.
The developer, Peter Santangeli, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Peter Santangeli
- Size
- 94.7 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later.
- iPhone
- Languages
English and 14 more
- English, Arabic, Dutch, French, German, Hindi, Indonesian, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Turkish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- AstroFinder Yearly $12.99
- Copyright
- © 2026 Peter Santangeli