Sci vs Pebble Core
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sci
Customize your home screen with unique sci-fi themed widgets. Display various information like clocks, calendars, system stats, and fitness data with extensive styling options. Create multiple widgets in different sizes with personalized layouts, backgrounds, fonts, and colors.
- Customizable sci-fi widget styles
- Display clocks, calendars, system info
- Show fitness data (steps, distance)
- Multiple widget sizes (Large, Medium, Small)
- Personalize layout, background, fonts, colors
- Use custom background images
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Add some Sci-Fi to your Home Screen. This widget making tool is for displaying many types of information with great styling customization. You can display multiple widgets, all with their own unique style and info in Large, Medium, and Small widget sizes You can change the layout, background, fonts and colors, and even use your own images. *Offline contains the pre-made template backgrounds, but the background selection section needs internet to download from online. DISPLAYABLE INFORMATION: • Digital clock • Analog clock (some with second hand to show a little animation) • Calendar • Date/Day • System info (battery, brightness, memory, storage) • Countdown/Days since • Step count - Distance - Floors • Display contacts (just opens this widget app) These are generic sci-fi styles to to keep the coolness of how designers imagined future interfaces past and present on low and high budgets, but actual display real information instead of meaningless gobbledygook. * Please do not ask in reviews or by mail to include any trademarked names, logos, images or other properties. NSTEnterprises respects copyrights and will not include them.
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.
Screenshots
Verdict
The clearest difference is price: Pebble Core at Free against Sci's $3.99. Pebble Core also leads on update cadence (every 11 days vs every 3 months) and rating (4.4 vs 4.0). On ratings volume, 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
Pebble Core is free to download; Sci costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Pebble Core holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 46 and 68 respectively. Written reviews point the same way: 56% of Sci's written reviews are positive against 68% of Pebble Core's.
Sci ships an update every 3 months, Pebble Core every 11 days. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.
| Parameter | Sci | Pebble Core |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.0 (46 ratings) | 4.4 (68 ratings) — better |
| Positive reviews | 55.6% of reviews | 68.3% of reviews — better |
| Number of ratings | 46 | 68 — better |
| Update frequency | Every 3 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 186 MB | 158 MB |
| Age rating | 4+ | 12+ |
| Developer | NSTE, LLC | Core Devices LLC |
Customer experience
Sci
Pebble Core
Bugs and requests
Sci
Not enough reviews yet to summarise bugs or requests.
Pebble Core
Reported bugs
1 issue- None mentioned
Requested features
1 request- Standard email registration option
In-app purchases
Sci
No in-app purchases
Pebble Core
No in-app purchases









