Easily plan network changes with this tool. Enter an IP address and use a slider to select a subnet mask, instantly calculating and displaying all subnet-related information on a single screen.
5.0(2 ratings)
$4.99
Best CallsingQRZ alternatives: apps like CallsingQRZ
5+ similar apps compared and reviewed
4.9 avg rating
2 free apps
Updated October 2026
Whether you want more options like CallsingQRZ or a completely different take on the same concept, our curated list of 5+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Top Alternatives to CallsingQRZ
HamOperators by Randolph W Duerr
Strong Contender
🔍 Reference
0.0(0 ratings)
Free
4.8😊(1.1K ratings)
$19.99
This astronomy companion app, after 12 years of updates, is being retired. A more advanced version, Luminos Pro, is available with new features and ongoing support. This version remains accessible for existing users.
What We Love
- 🌟 Excellent astronomy app
- 🔭 Comprehensive features and information
- 🌌 Beautiful and intuitive interface
- 🔍 Helpful for both beginners and advanced users
- 🌍 Accurate tracking of celestial objects and satellites
- 🌠 Ability to view the sky from different perspectives
- 🔍 Detailed data on stars, planets, and deep-sky objects
- 🔍 Useful for planning observations and astrophotography
Room to Improve
- 🐛 Occasional crashes or freezes
- 🔧 Difficulty configuring for use with telescopes
- 🔒 Concerns about subscription model changes
- 🔍 Steep learning curve for some features
- 🔍 Lack of instructions or user guide
