This app simplifies telescope, eyepiece, and camera calculations with a unified database of equipment. Easily mix and match your gear or input custom values for precise specifications.
5.0(1 ratings)
Free
Best apps like calc-o-scope
42+ similar apps compared and reviewed
3.3 avg rating
7 free apps
Updated July 2026
Whether you want more options like calc or a completely different take on the same concept, our curated list of 42+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
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This astronomy tool helps users calculate telescope performance, choose eyepieces, and manage equipment data. It offers detailed parameter explanations for both beginners and experts.
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4
SynScanLink
by Pacific Telescope Corp.
Free
Control your Sky-Watcher telescope mount with a Wi-Fi adapter. This app allows slewing the mount and controlling its shutter port. It requires the SynScan App to be installed on your device.
Control Sky-Watcher telescope mountsInternal/external SynScan Wi-Fi adapter supportSlew mount functionality
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SynScan Photo
by SynueTech
Free
Control Skywatcher AZ-Mounts for astrophotography tasks like panoramas and time-lapses. Requires a mount with a Wi-Fi module and specific firmware version.
Control Skywatcher AZ-MountsPerform panoramic photographyCreate time-lapse sequences
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Angle Unit Converter
Easily convert angle units!
$1.99
This application converts angle measurements between five different units: degrees, radians, degrees/arcminutes/arcseconds, arcminutes, and arcseconds. Simply input your value and select the desired output units for instant conversion.
Converts between 5 angle unitsSupports degrees, radians, arcminutes, arcsecondsConverts degrees to degrees/arcminutes/arcseconds
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BENRO Filter Calculator
by Snoppa Technology Co., Ltd.
Free
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iOptron Commander (iOS)
iOptron mount control utility
Free
Control your iOptron telescope mount remotely using your iOS device. This utility allows for basic functions like slewing to celestial objects, syncing time and location, and managing compatible mount series.
Remote telescope mount controlSlew to stars and deepsky objectsSync time and site from iOS
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Tracker Console
by Astropower Technology Co. Ltd.
Free
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HamAntCal
by State Road 41 Apps LLC
$0.99
This app helps amateur radio operators calculate the starting lengths for various antenna types. It supports both imperial and metric units and offers adjustable calculations for inverted vee antennas based on wire angle. Results require final trimming for precise tuning.
Calculate antenna starting lengthsSupports feet/inches and metric unitsCalculates for Dipoles, Inverted Vee, and Verticals
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free with in-app purchases