Best K.O. II Calc. alternatives: apps like K.O. II Calc.

10+ similar apps compared and reviewed

3.7 avg rating

10 free apps

Updated November 2026

Jesus Evert Corral Pedraza

Looking for something like K.O. II Calc.? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to K.O. II Calc.

#1

Manager for OP1 by Red Door Endeavors Inc.

Backup Projects for OP1

Editor's Choice

2.6(12 ratings)

FreeIn-App Purchases

Manager for OP1 screenshot 1

Manager for OP1 screenshot 2

Manager for OP1 screenshot 3

Easily sync, save, and share your OP-1 projects. Import and export all four tracks to and from your device via USB. Offers iCloud Drive synchronization and cross-platform compatibility.

#2

WIDI App by CME PTE. LTD.

Strong Contender

3.1(32 ratings)

Free

WIDI App screenshot 1

Configure and manage wireless Bluetooth MIDI devices. Update firmware, rename devices, adjust Bluetooth settings, and optimize performance for low latency or jitter. Supports group connections and troubleshooting.

#3

XTEINK by Shenzhen Xiaohu Xingtong Technology Co., Ltd.

Ultra-portable E-paper

Worth Considering

2.5(52 ratings)

Free

XTEINK screenshot 1

XTEINK screenshot 2

XTEINK screenshot 3

This app serves as a companion for an e-reader, allowing users to transfer books, comics, wallpapers, and fonts from their phone. It offers intelligent format conversion and features like scheduled pushes for a personalized reading experience.

More apps like K.O. II Calc.

8BitDo Ultimate Software

8BitDo Ultimate Software

8BitDo Ultimate Software

for Pro 2 Bluetooth Controller

Gain complete control over your compatible gamepad. Customize button layouts, fine-tune analog stick and trigger responses, and manage vibration intensity. Create custom macro commands for advanced gameplay.

Button mapping customizationStick and trigger sensitivity adjustmentVibration power control

Compare with K.O. II Calc.

by GL Technologies (HK) Limited

Manage your GL.iNet router remotely, from basic setup and password changes to configuring mesh networks and VPN connections. Monitor real-time traffic, block unwanted users, and check device performance. Easily update firmware, control LED lights, and pause WiFi.

Basic router setup and password managementMesh network configurationOpenVPN and WireGuard VPN setup

Compare with K.O. II Calc.

Frequency: Sound Generator

Frequency: Sound Generator

Frequency: Sound Generator

by Lucija Jaksic

Generate various sound waves, including sine, square, sawtooth, and triangle, with adjustable frequencies from 1Hz to 22000Hz. Visually observe animated sound waves and control volume. Useful for testing hearing, speakers, instruments, and even cleaning water from speakers.

Generate sine, square, sawtooth, triangle wavesAdjustable frequency (1Hz-22000Hz)Animated sound wave visualization

free with in-app purchases

Compare with K.O. II Calc.

by Meshtastic LLC

This app enables off-grid, decentralized text messaging using low-power LoRa radios. It creates a mesh network for communication in areas lacking cellular or WiFi service. The open-source platform is designed for reliable, decentralized connectivity.

Off-grid communicationDecentralized mesh networkLoRa radio integration

Compare with K.O. II Calc.

Comet - AI Browser & Assistant

Comet - AI Browser & Assistant

Comet - AI Browser & Assistant

Browser and AI assistant

This AI-powered browser serves as a personal assistant, enhancing focus and streamlining workflows. It offers unified AI search, instant context, and automation across websites for tasks like summarizing, shopping, scheduling, and research.

Unified AI searchInstant context and automationSummarize, shop, schedule, research

free with in-app purchases

Compare with K.O. II Calc.

Flipper Mobile App

Flipper Mobile App

Flipper Mobile App

For Flipper Zero

Manage your portable multi-tool device data, organize digital keys, and share them with a community of users. This application enhances the functionality of your device for various geeky projects.

Manage device dataOrganize digital keysShare keys with users

Compare with K.O. II Calc.

Printer control and 3D models

Control your 3D printers remotely, monitor print status in real-time, and access a vast library of free 3D models. Discover, customize, and print designs with ease, and connect with a community of makers.

Remote printer operationReal-time print status monitoringAccess to free 3D models

free with in-app purchases

Compare with K.O. II Calc.