Best SJ705M alternatives: apps like SJ705M

10+ similar apps compared and reviewed

3.5 avg rating

8 free apps

Updated November 2026

YOHAN KIM

Whether you want more options like SJ705M or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to SJ705M

Survey Toolbox by Kongkrit Thongrueangsri

Editor's Choice

🔧 Utilities

0.0(0 ratings)

FreeIn-App Purchases

Coil 32 - Radio Frequency by Ashvin Kevadiya

Inductor & Coil Calculator

Strong Contender

🔧 Utilities

1.0(1 ratings)

FreeIn-App Purchases

Calculate inductance for various coil types, including air core, ferrite toroid, and PCB flat square coils. Determine the number of turns needed or verify existing inductance values. Ideal for electronics enthusiasts and builders.

SAGUA Barcode Reader by Chang Hong Xu

Worth Considering

🔧 Utilities

0.0(0 ratings)

Free

More apps like SJ705M

HAM-Toolbox

Tools for HAM-Radio Operators

$14.99

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

Real-Time RPM Analysis

Free

This app provides real-time analysis of shoot power and scores directly on your device. It features a personal best tracker, launch history, and customizable display options. Enjoy a distraction-free experience with its unique interface and multi-device connectivity.

Real-time score and shoot power displayPersonal-best tracker and launch historyShoot-profile chart and session trend line

Antenna, Coax, dB Calculators

Free

This app provides a comprehensive suite of 45 RF and antenna calculators for engineers and technicians. It offers unit-tested formulas for field, site, and lab calculations, including RF exposure and impedance matching. A free version offers 16 calculators, with Pro unlocking all features and advanced options.

45 RF and antenna calculatorsUnit-tested formulas against industry standardsField and site calculations (VSWR, link budget, RF exposure)

Amateur Radio Toolkit 2025

Amateur Radio Tools

Free

This app provides ham radio enthusiasts with a comprehensive suite of calculators and tools for designing and building radios and antennas. It includes features for code references, coordinate conversions, unit conversions, and various antenna and technical calculations.

Q Code, 92 Code, and RST Code referencesCoordinate and Grid Square calculatorsAntenna length calculators (Dipole, Vertical, Quad, etc.)

🔧 Utilities

(16)

free with in-app purchases

Compare with SJ705M

HAM Support - Powerful log app

Log it, remind it, and HAM it!

Free

This app helps amateur radio operators manage their contacts and logs. It offers features like station searching, QSO logging, QSL card reminders, and data export. Enjoy offline functionality and an ad-free experience for efficient radio operations.

QRZ.com integration for station searchComprehensive QSO log managementAutomatic GPS data input

Your Icom radio on your iPad

$49.99

Control your Icom radio remotely from your iPad, whether at home via Wi-Fi or anywhere over the internet. View spectrum scope, waterfall, and access all radio controls, including microphone and speaker functionality. Supports various Icom models and offers multiple communication modes.

Remote Wi-Fi and internet controlSpectrum scope and waterfall displayFull radio control interface