Pebble Core vs OpenExo GUI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pebble Core
Manage your smartwatch, customize settings, and explore a variety of watchfaces and apps. Sync health data, control notifications, and update firmware. Supports a wide range of smartwatch models.
- Bluetooth pairing
- Watchface and app gallery
- Firmware updates
- Notification control
- Health data sync
- Developer tools
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Pebble Core is the official iPhone app for managing your Pebble smartwatch, Pebble Index 01 ring and other Core Devices products. Pair your watch and/or ring, customize your settings, and discover a growing ecosystem of watchfaces, apps, and tools designed for your device. Features include: • Bluetooth pairing and reconnection • Watchface and app gallery browsing • Firmware updates and bug reporting • Notification control and preferences • Health data sync (steps, sleep, heart rate*) • Developer tools for sideloading and debugging This app supports all Core Devices smartwatches (Pebble 2 Duo, Pebble Time 2, Pebble Round 2), Pebble Index 01 ring, and older Pebble models (Pebble, Pebble Steel, Pebble Time, Time Steel, Time Round, and Pebble 2) Built for long battery life, fast sync, and full compatibility. This app is open source - https://github.com/coredevices/mobileapp.
OpenExo GUI
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OpenExo GUI is the companion app for OpenExo devices, giving users a simple and intuitive way to connect, configure, and control their exoskeleton system from an iPhone. Designed for researchers, developers, clinicians, and advanced users, the app provides streamlined access to key device functions, allowing you to monitor status, adjust settings, and manage operation in real time. With OpenExo GUI, you can connect to supported OpenExo devices, view device information, check system status, adjust control parameters, and start or stop device functions from a clean mobile interface. Whether you are testing new configurations, conducting research, or operating an OpenExo device in a controlled environment, OpenExo GUI helps simplify device interaction and improve workflow. Key Features: Connect to supported OpenExo devices Monitor device status and connection state Configure device settings and operating parameters Start, stop, and manage device operation Designed for research, development, and controlled-use environments Important Notice: OpenExo is not FDA-approved and is not intended for personal, medical, or commercial use. Use at your own risk. We are not liable for any harms or losses. By accessing OpenExo materials, you agree to these terms.
Screenshots
Verdict
Pebble Core and OpenExo GUI are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Pebble Core | OpenExo GUI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (71 ratings) — better | — |
| Positive reviews | 69.8% of reviews | — |
| Number of ratings | 71 — better | — |
| Update frequency | Every 11 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.1 |
| Further details — not scored | ||
| Size | 159 MB | 1 MB |
| Age rating | 12+ | 4+ |
| Developer | Core Devices LLC | Biomotum |
Bugs and requests
Pebble Core
Reported bugs
1 issue- None mentioned
Requested features
1 request- Standard email registration option
OpenExo GUI
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Pebble Core
No in-app purchases
OpenExo GUI
No in-app purchases
Questions
Is Pebble Core free?
Is OpenExo GUI free?
Do Pebble Core or OpenExo GUI have ads?
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