--- title: "AstroFITS - Reviews, Revenue and Downloads in Portugal | Apple App Store" description: "A simple app to open FITS file in iOS quickly using GPU. It has an auto-stretch feature. And works on FITS file with RGB or gray color. It handles BITPIX of 8,16,32,-32 and -64. It is designed and tes" --- # AstroFITS — Portugal ![AstroFITS App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/d2/94/e9/d294e98e-c062-5c57-d7a8-2c77c88f1d64/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/434x0w.png) **Developer:** [Unknown](https://apptail.io/developer/unknown-oxv) (United States) **Category:** Photo Video **Rating:** N/A (0 ratings) **Price:** Free **Bundle ID:** com.appspot.AstroFITS **Store:** Apple App Store **Country:** Portugal **Version:** 1.5 (released 2026-08-03) **Original Release:** 2025-12-15 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/pt/app/app/id6756322104) **AppTail Page:** [https://apptail.io/app/astrofits-WAZz/portugal](https://apptail.io/app/astrofits-WAZz/portugal) ## AstroFITS Description A simple app to open FITS file in iOS quickly using GPU. It has an auto-stretch feature. And works on FITS file with RGB or gray color. It handles BITPIX of 8,16,32,-32 and -64. It is designed and tested for Seetar FITS file. It takes about 2 seconds to open and automatically stretch a 50mb FITS file. Sample links are provided below. Enjoy! Use: 1. Download your FITS file to your phone File directory. 2. Tap Image icon on the first top left. 3. Select your FITS file. 4. It will auto stretch. 5. Adjust the image level. 6. Adjust the image curve. 7. Tap the second top icon to save image to Photo. If you encounter an issue, please email to ustrainsit74@gmail.com with your FITS file as attachment. Sample: Below are some FITS files for download. - - - Privacy policy and term of use (EULA) is at ## AstroFITS Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/fe/4c/23/fe4c2380-860a-c7ce-66f7-bc99dac7d54d/m51.png/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/40/a8/d1/40a8d161-7520-804a-15e6-b049143fe07a/fish.png/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/9a/f2/48/9af24851-de21-f54a-a7d5-e59e50d70c70/AstroFits-ngc253.png/1242x2688.png) ## AstroFITS Available In - [United Arab Emirates](https://apptail.io/app/astrofits-WAZz/united-arab-emirates) - [Armenia](https://apptail.io/app/astrofits-WAZz/armenia) - [Argentina](https://apptail.io/app/astrofits-WAZz/argentina) - [Austria](https://apptail.io/app/astrofits-WAZz/austria) - [Australia](https://apptail.io/app/astrofits-WAZz/australia) - [Bulgaria](https://apptail.io/app/astrofits-WAZz/bulgaria) - [Bahrain](https://apptail.io/app/astrofits-WAZz/bahrain) - [Bermuda](https://apptail.io/app/astrofits-WAZz/bermuda) - [Brunei](https://apptail.io/app/astrofits-WAZz/brunei) - [Chile](https://apptail.io/app/astrofits-WAZz/chile) - [China](https://apptail.io/app/astrofits-WAZz/china) - [Colombia](https://apptail.io/app/astrofits-WAZz/colombia) - [Cyprus](https://apptail.io/app/astrofits-WAZz/cyprus) - [Czechia](https://apptail.io/app/astrofits-WAZz/czechia) - [Germany](https://apptail.io/app/astrofits-WAZz/germany) - [Ecuador](https://apptail.io/app/astrofits-WAZz/ecuador) - [Spain](https://apptail.io/app/astrofits-WAZz/spain) - [France](https://apptail.io/app/astrofits-WAZz/france) - [United Kingdom](https://apptail.io/app/astrofits-WAZz/united-kingdom) - [Grenada](https://apptail.io/app/astrofits-WAZz/grenada) - [Croatia](https://apptail.io/app/astrofits-WAZz/croatia) - [Hungary](https://apptail.io/app/astrofits-WAZz/hungary) - [Italy](https://apptail.io/app/astrofits-WAZz/italy) - [Japan](https://apptail.io/app/astrofits-WAZz/japan) - [Cayman Islands](https://apptail.io/app/astrofits-WAZz/cayman-islands) - [Lebanon](https://apptail.io/app/astrofits-WAZz/lebanon) - [Lithuania](https://apptail.io/app/astrofits-WAZz/lithuania) - [Luxembourg](https://apptail.io/app/astrofits-WAZz/luxembourg) - [Madagascar](https://apptail.io/app/astrofits-WAZz/madagascar) - [North Macedonia](https://apptail.io/app/astrofits-WAZz/north-macedonia) - [Mali](https://apptail.io/app/astrofits-WAZz/mali) - [Malta](https://apptail.io/app/astrofits-WAZz/malta) - [Mauritius](https://apptail.io/app/astrofits-WAZz/mauritius) - [Mexico](https://apptail.io/app/astrofits-WAZz/mexico) - [Nicaragua](https://apptail.io/app/astrofits-WAZz/nicaragua) - [Netherlands](https://apptail.io/app/astrofits-WAZz/netherlands) - [Panama](https://apptail.io/app/astrofits-WAZz/panama) - [Peru](https://apptail.io/app/astrofits-WAZz/peru) - [Philippines](https://apptail.io/app/astrofits-WAZz/philippines) - [Pakistan](https://apptail.io/app/astrofits-WAZz/pakistan) - [Portugal](https://apptail.io/app/astrofits-WAZz/portugal) - [Paraguay](https://apptail.io/app/astrofits-WAZz/paraguay) - [Qatar](https://apptail.io/app/astrofits-WAZz/qatar) - [Russia](https://apptail.io/app/astrofits-WAZz/russia) - [El Salvador](https://apptail.io/app/astrofits-WAZz/el-salvador) - [Uganda](https://apptail.io/app/astrofits-WAZz/uganda) - [Uruguay](https://apptail.io/app/astrofits-WAZz/uruguay) - [Venezuela](https://apptail.io/app/astrofits-WAZz/venezuela) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*