Hacker ApprovedDepartments

PebbleOS

Shares rank 58 of 87 operating systems by recommenders

People recommend it as an open-source smartwatch OS released under Apache-2.0, with rapid iteration on watch faces and apps possible. Critics say the browser build is slow and unstable, and it still includes some proprietary blobs.

People recommend it as an open-source smartwatch OS released under Apache-2.0, with rapid iteration on watch faces and apps possible. Critics say the browser build is slow and unstable, and it still includes some proprietary blobs.

16 people gave an opinion

recommend it
8
criticize it
8
approval share
50%
Each figure is one person. RecommendsCriticizes

Recommended in 2 of 13 months

  1. November 2025: recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 8 people recommend itNeeds 10 or more, not met.
  • 1 recommender for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 2 of 13 monthsNeeds 4 or more, not met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Open-source under Apache-2.0 license

    “All development is happening in the open, and released under Apache-2.0 license.”

    Comment from 18 Nov 2025 in “Pebble, Rebble, and a path forward”

    “they did the Right Thing this year and open-sourced PebbleOS”

    Comment from 25 Nov 2025 in “Pebble Watch software is now open source”

What people warn about

Each mark is one comment

  • Slow frame rate in browser

    “Getting 2 fps on my iPhone SE 2020.. it's nearly usable!”

    Comment from 12 Feb 2026 in “Run Pebble OS in Browser via WASM”

    “Really slow FPS for me (macOS, Firefox). Not really getting past 1fps”

    Comment from 12 Feb 2026 in “Run Pebble OS in Browser via WASM”
  • Crashes or unstable in browser

    “found an assertion just by clicking up/down. doesn't seem too stable.”

    Comment from 12 Feb 2026 in “Run Pebble OS in Browser via WASM”

    “Keeps crashing on iOS safari for me”

    Comment from 12 Feb 2026 in “Run Pebble OS in Browser via WASM”
  • Contains proprietary binary blobs

    “Getting a functional OS out with "only" a few binary blobs is a massive engineering and legal victory.”

    Comment from 25 Nov 2025 in “Pebble Watch software is now open source”

    “PebbleOS contains some proprietary blobs for some peripherals in the watch”

    Comment from 24 Nov 2025 in “Pebble Watch software is now open source”

Other operating systems people recommend

The four most recommended other operating systems, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

PebbleOS compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Windows1,2873,58226%1310 yrs192 owners—
macOS1,0411,92835%1211 yrs183 owners—
Linux74527773%1219 yrs116 ownersApproved
FreeBSD3359478%1220 yrs69 ownersApproved
PebbleOSThis page8850%2——
See all 87 operating systems, ranked

What people said

11 of the 16 comments that mention it, newest first. Each links to the original comment.

“Definitely lots of potential for rapid iteration on new watch faces and apps!”

RecommendsComment from 14 Feb 2026 in “Run Pebble OS in Browser via WASM”

“Getting 2 fps on my iPhone SE 2020.. it's nearly usable!”

MixedComment from 12 Feb 2026 in “Run Pebble OS in Browser via WASM”

“Really slow FPS for me (macOS, Firefox). Not really getting past 1fps”

CriticizesComment from 12 Feb 2026 in “Run Pebble OS in Browser via WASM”

“Keeps crashing on iOS safari for me”

CriticizesComment from 12 Feb 2026 in “Run Pebble OS in Browser via WASM”

“found an assertion just by clicking up/down. doesn't seem too stable.”

CriticizesComment from 12 Feb 2026 in “Run Pebble OS in Browser via WASM”

“I'm not even getting that - its stuck at: 10:26:18.028 [status] Loading QEMU WASM module (17MB)...”

CriticizesComment from 12 Feb 2026 in “Run Pebble OS in Browser via WASM”

“Getting a functional OS out with "only" a few binary blobs is a massive engineering and legal victory.”

RecommendsComment from 25 Nov 2025 in “Pebble Watch software is now open source”

“they did the Right Thing this year and open-sourced PebbleOS”

RecommendsComment from 25 Nov 2025 in “Pebble Watch software is now open source”

“PebbleOS contains some proprietary blobs for some peripherals in the watch”

CriticizesComment from 24 Nov 2025 in “Pebble Watch software is now open source”

“All development is happening in the open, and released under Apache-2.0 license.”

RecommendsComment from 18 Nov 2025 in “Pebble, Rebble, and a path forward”

“Their libc is kind of a mess of various sources.”

CriticizesComment from 13 Nov 2025 in “How To Build A Smartwatch: Software”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.