After nine years in stasis, Pebble—the iconic smartwatch that pioneered wearable computing—is returning through a grassroots revival led by its original founder and a passionate community of developers. The rePebble project, launched in January 2025 by Pebble founder Eric Migicovsky, represents a rare second act in consumer hardware: a beloved product brought back from the dead not by corporate acquisition, but by enthusiast demand and open-source collaboration.
The Return of a Cult Classic
Pebble’s story began in 2008 when Migicovsky started building what would become the world’s first commercially successful smartwatch. The original 2012 Kickstarter campaign remains one of the platform’s most funded projects of all time, and its successor, the Pebble Time, holds the record as the second most-funded Kickstarter ever. Over four years, Pebble sold more than two million watches and cultivated a community of thousands of developers who created over 15,000 apps and watchfaces.
Yet the fairy tale ended abruptly in 2016 when Pebble Tech Corp shut down. Fitbit acquired the company’s intellectual property, which later passed to Google when it acquired Fitbit. For nearly a decade, Pebble owners watched their watches slowly lose functionality as services went offline—until an unlikely resurrection began.
The Open-Source Catalyst
The revival’s catalyst came from an unexpected source: Google. In January 2025, Google open-sourced PebbleOS, the operating system that powered the original watches. This wasn’t merely a gesture of goodwill—it was the result of a year-long effort by ex-Pebble employees now at Google and the Rebble Foundation, a volunteer organization that had kept Pebble watches functional through community servers and unofficial app stores since 2018.
“Reproducing [PebbleOS] for new hardware would take a long time,” Migicovsky wrote in his announcement post. “Instead, we took a more direct route—I asked friends at Google if they could open source PebbleOS. They said yes.”1
The Google release included most of the operating system’s source code, though proprietary chipset and Bluetooth stack components required replacement. This release enabled what Migicovsky calls “the critical ingredient” for revival: the ability to manufacture new hardware running authentic Pebble software.
New Hardware: Three Watches and a Ring
The rePebble project has already shipped one product—the Pebble 2 Duo—and has three more in production: the Pebble Time 2, Pebble Round 2, and the entirely new Pebble Index 01 smart ring.
Pebble 2 Duo (Shipping Now)
The Pebble 2 Duo, which entered mass production in August 2025 and began shipping to customers in September, represents the project’s proof of concept. This black-and-white e-paper watch improves upon the original Pebble 2 with 20-meter water resistance, a redesigned charger dongle, and battery life currently averaging 17 days with a target of 30 days through software optimization. All 8,000 units manufactured have sold out, with 70% delivered as of November 2025.2
Pebble Time 2 (Shipping March–June 2026)
Currently in the Production Verification Test (PVT) phase—the final step before mass production—the Pebble Time 2 features a color e-paper display, 30-meter water resistance (3ATM), and dual microphones for voice input. Mass production is scheduled to begin March 9, 2026, with first deliveries expected in early April and all pre-orders fulfilled by June.3
Pebble Round 2 (Shipping May 2026)
Announced in January 2026, the Pebble Round 2 updates the thinnest smartwatch ever made with a bezel-free 1.3-inch color e-paper display (260×260 pixels, double the original’s resolution), two-week battery life, and a remarkably slim 8.1mm profile. Available in matte black, brushed silver, and polished rose gold, it represents the project’s most stylish offering at $199.4
Pebble Index 01 (Shipping March 2026)
Perhaps the most innovative product is the Index 01, a $75 smart ring that serves as “external memory for your brain.” With a battery lasting years (never requiring charging), the ring features a button and microphone for recording thoughts, setting reminders, and controlling devices. Recordings process locally on the user’s phone using open-source speech-to-text, ensuring privacy. The ring stores up to five minutes of audio locally when the phone is out of range, syncing later.5
The Software Renaissance
Beyond hardware, the rePebble project has achieved what Migicovsky calls “100% open source” status for all Pebble software components:
| Component | Status | Repository |
|---|---|---|
| PebbleOS (watch firmware) | Fully open source | github.com/coredevices/PebbleOS |
| Mobile companion app | Fully open source | github.com/coredevices/mobileapp |
| SDK and developer tools | Updated and open | developer.repebble.com |
| CloudPebble IDE | Revived and open | cloudpebble.repebble.com |
| Hardware designs | Published | github.com/coredevices/hardware |
| Appstore | Multi-feed, decentralized | apps.repebble.com |
This openness addresses the fundamental vulnerability that killed the original Pebble: dependence on centralized services. With all software open-sourced and the appstore designed to support multiple feeds (similar to package managers like pip or APT), the ecosystem can survive even if Core Devices—the Migicovsky-founded company behind rePebble—disappears.
Developer Ecosystem Revival
The developer community has responded enthusiastically. CloudPebble, the browser-based IDE that allows developing Pebble apps without installing software, has returned after “several years in hibernation.” The SDK has been modernized to work on contemporary computers—previously, development required an Ubuntu virtual machine running Python 2.
Perhaps most significantly, the project introduced Alloy, a new JavaScript SDK powered by Moddable’s XS engine. For the first time, developers can write Pebble apps entirely in modern JavaScript (ES2025) or TypeScript, running natively on the watch. This opens development to a vastly larger audience than the previous C-only approach, while maintaining compatibility with the existing 15,000-app catalog.6
Manufacturing Realities and Transparency
The rePebble project maintains unusual transparency about manufacturing challenges. Migicovsky regularly shares production updates, including setbacks: the Pebble Time 2’s initial December 2025 target slipped to April 2026 due to waterproofing challenges, while the Pebble 2 Duo shipped two months behind initial estimates.
“Building hardware is an exercise in balancing competing priorities of cost, quality and speed,” Migicovsky wrote in a February 2026 update. “Unlike with software, you can’t easily fix hardware issues after you ship!”7
This honesty extends to product limitations. The company explicitly warns that Pebble watches are not fitness devices (“if you want real health and fitness/GPS etc, you should probably get a Garmin”), that the included straps are “pretty basic,” and that software bugs will exist. The five-person team (compared to 180 employees at the original company) cannot provide extensive customer support or guarantee 100% reliability in all features.
A Different Business Model
Core Devices operates fundamentally differently from the original Pebble Tech Corp. Self-funded without investors, the company prioritizes sustainability over growth. “The goal is to be able to continue to produce these watches long into the future,” Migicovsky explained. “I don’t envision raising money from investors, or hiring a big team.”
This lean approach enables survival but requires trade-offs. The Pebble 2 Duo sold out its 8,000-unit production run with no plans for additional manufacturing. Pre-orders for new watches fund production, with customers paying tariffs and VAT calculated at shipping time rather than purchase.
Frequently Asked Questions
Q: Will my original Pebble watch work with the new system? A: Yes. The new Pebble mobile app works with all original Pebbles, including the Kickstarter edition, Pebble Steel, Pebble Time, Pebble Time Round, and Pebble 2. However, Bluetooth connectivity to older watches is less reliable than to new hardware because firmware bugs in the original watches cannot be easily fixed.8
Q: What happens if Core Devices goes out of business? A: Unlike the original Pebble shutdown, which left users stranded, the rePebble project has open-sourced all software and decentralized the appstore. The Rebble Foundation, an independent non-profit, continues supporting the ecosystem. Even in a worst-case scenario, the community has all necessary code to maintain functionality indefinitely.
Q: How does the new Pebble compare to Apple Watch or Wear OS devices? A: Pebble occupies a distinct niche. While Apple and Google watches offer color touchscreens, cellular connectivity, and extensive health sensors, they require daily charging and always-on internet connectivity. Pebble prioritizes week-long battery life, sunlight-readable e-paper displays, physical buttons, and offline functionality. It’s designed for notifications, timekeeping, and basic health tracking rather than comprehensive fitness monitoring or app ecosystems.
Q: Can I develop apps for the new Pebbles? A: Absolutely. The updated SDK supports traditional C development, while the new Alloy framework enables JavaScript/TypeScript development. CloudPebble provides browser-based development requiring no installation. Apps developed for new hardware are backward-compatible with original Pebbles (with some limitations).
The Road Ahead
The rePebble project’s success remains uncertain. Hardware manufacturing is notoriously difficult, and the small team’s capacity is stretched thin across multiple products. Yet the project’s mere existence represents a victory for sustainable consumer electronics and community-driven development.
As of February 2026, Pebble Time 2 production is scheduled to begin, Pebble Round 2 is entering design verification, and Index 01 is completing its final test phase. The appstore continues growing, developer tools are improving, and thousands of original Pebble owners have already transitioned to the new platform.
Whether the rePebble project represents a viable alternative to Big Tech wearables or merely a nostalgia-driven interlude remains to be seen. But for thousands of enthusiasts who missed their Pebbles, the revival offers something rare in consumer technology: a second chance.
Footnotes
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Migicovsky, Eric. “It’s time for a new Pebble.” Eric’s Blog, January 2025. ↩
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rePebble. “Pebble 2 Duo Production Update.” November 2025. ↩
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rePebble. “Pebble Time 2 PVT and Shipping Schedule.” February 2026. ↩
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rePebble. “Pebble Round 2 Announcement.” January 2026. ↩
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rePebble. “Pebble Index 01 Smart Ring.” Product page, 2026. ↩
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rePebble Developer Documentation. “Alloy JavaScript SDK.” developer.repebble.com ↩
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Migicovsky, Eric. “February 2026 Production Update.” rePebble Blog. ↩
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rePebble Support. “Original Pebble Compatibility FAQ.” ↩