# SUNSCAN

> SUNSCAN (iPhone/iPad app by STAROS.)

- Source: https://appshunter.io/ios/app/sunscan/id6680193688 (this page in markdown: same URL + `.md`)
- Developer: [STAROS](https://appshunter.io/developer/1768267881)
- Category: Utilities
- Price: Free
- Age rating: 9+
- Requires: iOS 15.1 · 47 MB
- Languages: American English
- Released: 2024-10-01
- Data updated: 2026-06-02
- User reviews in markdown: https://appshunter.io/ios/app/sunscan/id6680193688/reviews.md

## What is SUNSCAN?

The Sunscan is a revolutionary spectroheliograph designed to allow you to capture images of the Sun in minutes, directly from your smartphone. This complete and autonomous device is the result of several months of work by our team of enthusiasts. With the Sunscan, you will be able to explore the wonders of the Sun like never before. Thanks to our dedicated application, you will be able to control the Sunscan directly from your smartphone or tablet, making the experience even more intuitive and accessible. You will be able to make observations very simply and obtain images of our star automatically without any special knowledge, showing prominences, flares or even sunspots.


## Version history (last 5 releases)

### 1.4.4 — 2025-11-11

- Minor bug fixes to improve overall stability and user experience.
- Added colorization for stacked images.

### 1.4.3 — 2025-10-30

- Updated the core of the application and all dependencies to meet new requirements.
- Fixed several bugs in the app and in the SUNSCAN OS firmware on the RPI4.
- Improved control system: taller acquisition window, making helium line acquisitions easier.
- New focus assistant: displays a sharpness score to help fine-tune focus on the sun’s edges.
- Enhanced ephemeris panel.
- New 3D mode: view the sun as an interactive globe with rotation and zoom controlled by device motion.
- New negative view for the H-alpha line.
- Added the ability to choose the color mode for Doppler images: Orange-Blue or Red-Blue.
- Scan animation feature now available for stacked images.
- Continuum image calculation is now performed by default — no need to enable advanced mode anymore.
- New edge-to-edge display support 
- Added automatic or manual portrait orientation control, configurable from the settings page.

### 1.3.4 — 2025-03-31

Updated the method of calculating the solar radius for the display of the artificial eclipse mask.

### 1.3.3 — 2025-03-09

Fix backend firmware version number

### 1.3.2 — 2025-03-08

Fix intensity and spectrum graph

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## Related topics

[my sunnova](https://appshunter.io/ios/topics/my-sunnova)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-02.*