217+ iOS apps curated and reviewed
Looking for free stx3 dk ble apps? 19 of our 217+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | — | No | May 2026 |
| 2 |  | Free | 4.5★ (449) | No | No | Aug 2026 |
| 3 |  | Free | 4.6★ (70K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 2.6★ (317) | No | No | Aug 2026 |
| 5 |  | Free | 4.0★ (276K) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.9★ (115K) | No | No | Aug 2026 |
| 7 |  | Free | 4.6★ (35K) | No | Yes | Aug 2026 |
| 8 |  | Free | 3.7★ (995) | No | Yes | Aug 2026 |
This app is a versatile tool for scanning, exploring, and communicating with Bluetooth Low Energy devices. It also enables your device to act as a peripheral and supports firmware updates for compatible devices.
Track satellites in real-time, including the ISS and Starlink. Get predictions for upcoming passes and set alerts. Explore satellite orbits and trajectories with various viewing modes.
This app enables remote work by allowing users to access their office phone extension from any location. It facilitates calls, conference scheduling, team chat, and video conferencing directly from an iOS device.
A fast, secure, and powerful instant messaging app synced across all devices. It offers unlimited media and file sharing, robust encryption, and extensive group chat capabilities. Enjoy a simple, private, and customizable communication experience.
This app helps you set up and optimize your satellite internet connection. It guides you through finding the best installation spot, checking for obstructions, and verifying your WiFi. You can also monitor your network, receive alerts, and troubleshoot issues.
This app provides instant voice communication, allowing users to talk to individuals or large groups with a single button press. It enables real-time conversations over Wi-Fi or cellular data, supports message replay, and allows for the sharing of photos and locations. It's designed for efficient communication in various settings, from business operations to personal use.
This app offers a powerful integrated development environment for Python, C, and C++ on iOS devices. It includes a Python interpreter with extensive libraries, a C/C++ compiler, a terminal, and a code editor with advanced features like code completion and debugging.
Experience a stunning, real-time rendered 3D Earth on your device. Explore detailed textures, atmospheric effects, and celestial bodies with dynamic lighting and reflections. Personalize your device with this visually immersive planetary display.
Connect with people worldwide through secure messaging and free audio/video calls. Enjoy group chats, disappearing messages, and low-cost international calls. Express yourself with stickers, GIFs, and AI bots.
Explore a detailed 3D model of our solar system and the universe. Interact with planets, moons, and satellites, and take virtual flights through space. Travel through time to see the universe's past and learn with educational movies.
This app enables wireless control of microcontrollers like Arduino and ESP32 via Bluetooth Low Energy. It features a customizable remote interface, a serial console for real-time data monitoring, and device management tools for makers and hobbyists.
This app connects your compatible Samsung smartwatch to your mobile device. It allows you to manage watch features, download applications, and find your lost device. Ensure a stable Bluetooth connection for full functionality.
Track the International Space Station and Starlink satellites with real-time live maps and HD video feeds from NASA. Get personalized reminders for optimal viewing times and explore the universe from an astronaut's perspective.
This utility app aids developers in testing and debugging Bluetooth Low Energy applications on Silicon Labs development boards. It simplifies troubleshooting firmware updates, data throughput, and interoperability with a user-friendly interface and built-in demos.
This app facilitates efficient team communication with real-time messaging, video chat, and task management. It offers secure private channels, instant language translation, and read receipts to ensure messages are seen and understood. It also includes features like announcements and GIF support for enhanced team interaction.
This utility app allows developers to connect, develop, and test Bluetooth Low Energy (BLE) devices. It offers smart filtering, device connection, and the ability to read, write, and receive notifications for data streams. It's designed to accelerate the development and deployment of BLE-enabled applications.
Explore the night sky with a real-time planetarium. Identify stars, planets, constellations, and satellites by simply pointing your phone. Offers detailed astronomical data and cultural constellation interpretations.
This tool streamlines Bluetooth Low Energy device debugging. It allows users to scan, inspect GATT services, exchange data in real-time, and automate testing sequences. Capture and export logs for detailed analysis.