Best apps like Keylines

10+ similar apps compared and reviewed

3.5 avg rating
10 free apps
Updated July 2026

Keylines 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 Keylines

Simple Hex Editor: Read Bytes#1

Simple Hex Editor: Read Bytes by SEUNGWOO JO

Dive Deep into Your Files
Editor's Choice
🛠️ Developer Tools
1.0(2 ratings)
FreeAdsIn-App Purchases
Simple Hex Editor: Read Bytes screenshot 1
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Simple Hex Editor: Read Bytes screenshot 4
Simple Hex Editor: Read Bytes screenshot 5

Easily view and modify the raw byte data of any file with a straightforward interface. This tool is designed for developers and tech enthusiasts who need a quick and efficient way to perform hex editing without unnecessary complexity.

IoTConnect Bridge#3

IoTConnect Bridge by Softweb Solutions Inc.

Worth Considering
🛠️ Developer Tools
5.0(1 ratings)
Free
IoTConnect Bridge screenshot 1
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IoTConnect Bridge screenshot 4

This app acts as a bridge, simplifying the connection of BLE-enabled devices to a cloud platform for IoT device management. It offers real-time data streaming, visualization, and automatic cloud provisioning for AWS and Azure.

More apps like Keylines

4
PixelsMeasure
PixelsMeasure
PixelsMeasure
Measure anything on the screen
Free

This tool offers precise on-screen measurements for design and analysis. It features distance and object measurement, alignment tools, and screenshot capture for efficient workflow. A free trial is available, with options for basic free features or a lifetime purchase.

Distance MeasurementObject MeasurementCross Mode Alignment
🛠️ Developer Tools
(2)
free with in-app purchases
5
NativewindUI
NativewindUI
NativewindUI
Native feeling UI
Free

A collection of over 30 pre-built UI components and templates designed for React Native applications. These elements offer a native look and feel across mobile devices, built using Nativewind.

30+ pre-built UI componentsNative look and feelReact Native compatible
🛠️ Developer Tools
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6
QR Debug
QR Debug
QR Debug
Debug all your scannable codes
Free

This app allows you to quickly view the data encoded in various scannable codes without being redirected. It captures and displays the scanned image along with the encoded data, offering options to copy or share both.

Scan codes with device cameraView encoded dataSee captured image
🛠️ Developer Tools
(5)
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7
Flutter Component Library
Flutter Component Library
Flutter Component Library
Flutter Widgets | Screens
Free

This app provides a collection of pre-built Flutter widgets, screens, and code snippets to accelerate development for Flutter programmers. It also includes database schema examples to aid in application architecture.

Flutter widgets libraryPre-built screensCode snippets
🛠️ Developer Tools
(1)
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8
ChameleonTiny Manager
ChameleonTiny Manager
ChameleonTiny Manager
by Eric Betts
Free

Configure all eight slots of your Chameleon device, including slot type, SAK mode, and UID mode. Transfer logs and virtualized cards to and from your device, and recover Mifare Classic keys by submitting detection logs.

Configure all eight Chameleon slotsChange active slots and set slot typesConfigure button actions
🛠️ Developer Tools
(3)
free with in-app purchases
9
SixD
SixD
SixD
for SwiftUI x Design
Free

Learn and create with SwiftUI through an intuitive interface. Explore components, design graphically, and get native SwiftUI code. Browse SF Symbols with natural language search.

SwiftUI component explorationNative graphical design interfaceCopy SwiftUI code directly
🛠️ Developer Tools
(29)
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10
UIKit Lab
UIKit Lab
UIKit Lab
A guide to UIKit for designers
Free

An interactive guide for designers to explore and customize UI components. Visualize and understand interface essentials through hands-on demos. Get a feel for how components look and behave with real-time adjustments.

Interactive UI component demosBrowse organized interface essentialsCustomize UI components
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(42)
free