Pebble Core vs just sit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pebble Core
Manage your Pebble smartwatch, Index 01 ring, and other Core Devices products. Pair devices, customize settings, and explore a gallery of watchfaces, apps, and tools. Sync health data and control notifications.
- 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.
just sit
This app offers a straightforward meditation timer with customizable bells and ambient music. Users can journal their intentions and reflections, track sessions, and enjoy 24/7 live streaming guided meditations. Data is stored privately via iCloud and exportable.
- Simple meditation timer
- Journaling for intentions and reflections
- Four channels of ambient music
- 24/7 live guided meditations
- Customizable interval bells
- Light and dark mode
- Private iCloud data storage
- Data export to CSV/JSON
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a simple meditation timer, tracker, and journal with four channels of ambient music and guided meditations streaming live 24/7 how it works: - tap the disc to start the timer, tap again to end - option to journal your intention and reflection with each sit - select from 4 streaming meditation audio channels, or leave radio off also: - 5 lovely bell sounds - add any number of interval bells - light and dark mode no sign-up, no account; your data is stored privately in iCloud and can be fully exported at any time to csv or json please send any feedback to adam@lud.win
Screenshots
Verdict
The clearest difference is review sentiment: just sit at 100% against Pebble Core's 70%. just sit also leads on rating (4.9 vs 4.5) and update cadence (every 4 days vs every 10 days). Pebble Core's advantage is ratings volume (75 vs 11) and iOS requirement (15.6 vs 18). On price, ads, in-app purchases and monetization model there is nothing between them.
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.
just sit holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Pebble Core has 75 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 70% of Pebble Core's written reviews are positive against 100% of just sit's.
Pebble Core ships an update every 10 days, just sit every 4 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.
| Parameter | Pebble Core | just sit |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (75 ratings) | 4.9 (11 ratings) — better |
| Positive reviews | 70.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 75 — better | 11 |
| Update frequency | Every 10 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 18 |
| Further details — not scored | ||
| Size | 166 MB | 3 MB |
| Age rating | 12+ | 4+ |
| Developer | Core Devices LLC | Adam Ludwin |
Customer experience
Pebble Core
just sit
Bugs and requests
Pebble Core
Reported bugs
1 issue- None mentioned
Requested features
1 request- Standard email registration option
just sit
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Pebble Core
No in-app purchases
just sit
No in-app purchases
