Best apps like GridCalc

10+ similar apps compared and reviewed

4.0 avg rating

5 free apps

Updated October 2026

ALAN WILLIAM DIPERT

GridCalc is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to GridCalc

#1

Glink 5250 by Gallagher & Robertson AS

TN5250 Terminal Emulator

Editor's Choice

5.0(1 ratings)

$29.99

Glink 5250 screenshot 1

Glink 5250 screenshot 2

Glink 5250 screenshot 3

Glink 5250 screenshot 4

This application provides robust IBM 5250 terminal emulation for iOS devices, enabling access to IBM iSeries systems. It supports secure communication, multiple host sessions, and customizable toolbars with macro recording. It also offers features like session persistence and remote configuration management.

#2

Morse Decoder AI by Yuriy Kvasha

Neural network technology

Strong Contender

2.0(4 ratings)

$2.99

Morse Decoder AI screenshot 1

Morse Decoder AI screenshot 2

Morse Decoder AI screenshot 3

Morse Decoder AI screenshot 4

This AI-powered tool decodes Morse code signals from audio input, ideal for amateur radio enthusiasts. It offers two modes and neural network options for various signal conditions and speeds, with customizable themes.

#3

18XXc by Magnus Orn Gylfason

Calculator for 18XX games

Worth Considering

4.9(17 ratings)

FreeIn-App Purchases

18XXc screenshot 1

18XXc screenshot 2

18XXc screenshot 3

18XXc screenshot 4

18XXc screenshot 5

This app assists players of 18XX board games by providing specialized calculators for fundraising, routes, and game results. It supports a vast number of 18XX games and includes a game editor for unsupported titles.

More apps like GridCalc

Tools for HAM-Radio Operators

This utility app offers a comprehensive suite of tools for amateur radio operators, including band conditions, DX-Cluster monitoring, and a logbook. It features direct radio integration for tuning and automatic logging, along with various calculations and resource information.

DX-Cluster and PSK-Reporter activity monitoringBandplan, Glossar, and AWG resource informationBuilt-in radio integration for direct tuning

Compare with GridCalc

Ultimate Remote

Ultimate Remote

Ultimate Remote

Remotely Control Your C64

Control your Ultimate-II or Ultimate 64 devices remotely from your iPhone, iPad, or Mac. Easily manage and run files, import media, create custom layouts, and even use keyboard macros for your Commodore 64.

Scan and register devicesImport and manage storage mediaPlay SID files and run programs

Compare with GridCalc

Packet Commander

Packet Commander

Packet Commander

Terminal for Packet Radio

This app provides a classic terminal experience for packet radio communication on mobile devices. It offers powerful terminal features, smart connection management, and real-time over-the-air traffic monitoring. It's designed for amateur radio operators to connect with nodes, BBS, and decode traffic.

Full-screen terminal for packet nodes and BBSClassic color themes and adjustable layoutYAPP protocol support for file transfers

free with in-app purchases

Compare with GridCalc

For the classic BBS experience

Relive the classic BBS experience with a modern terminal emulator. Connect to telnet-enabled BBSes worldwide and enjoy pixel-accurate retro display modes and aesthetic effects like simulated modem speed and CRT curvature. Upload and download files with classic protocols.

Telnet BBS connectionAuthentic retro display modes (CP437, PETSCII, ATASCII)Simulated modem speed

Compare with GridCalc

SDR-Control for Icom

SDR-Control for Icom

SDR-Control for Icom

For IC-705,7610,9700, R-8600

Control compatible Icom transceivers remotely or locally from your iPad. Offers full operation, dual VFO, a logbook, and integrated digital modes like FT8/FT4, SSTV, and CW decoding.

Remote transceiver operationDual VFO and DualWatchIntegrated logbook with ADIF support

Compare with GridCalc

SDR-Control Mobile

SDR-Control Mobile

SDR-Control Mobile

Now available for your iPhone

Control your Icom transceiver remotely or locally from your iPhone. Operate in all modes, log QSOs, and utilize integrated digital modes like FT8/FT4 and SSTV. No extra hardware is needed for global access.

Remote transceiver operationAll mode controlAuto logging logbook

Compare with GridCalc

by Rig Expert Ukraine Ltd.

Connect your RigExpert antenna analyzer to your smartphone for detailed antenna system analysis. Visualize SWR and Smith charts, and view all parameters in one place.

Connects to RigExpert analyzers via BLESWR chart visualizationSmith chart visualization

Compare with GridCalc