Pebble Core vs ZZ.surf
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.
ZZ.surf
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A tiling web browser
Screenshots
Verdict
The clearest difference is iOS requirement: Pebble Core at 15.6 against ZZ.surf's 26.5. On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 11 days. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.
| Parameter | Pebble Core | ZZ.surf |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (68 ratings) — better | — |
| Positive reviews | 68.3% of reviews | — |
| Number of ratings | 68 — better | — |
| Update frequency | Every 11 days | Every 11 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 26.5 |
| Further details — not scored | ||
| Size | 158 MB | 1 MB |
| Age rating | 12+ | 17+ |
| Developer | Core Devices LLC | Pierre Carrier |
Bugs and requests
Pebble Core
Reported bugs
1 issue- None mentioned
Requested features
1 request- Standard email registration option
ZZ.surf
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Pebble Core
No in-app purchases
ZZ.surf
No in-app purchases
