Comparison

Sci vs Pebble Core

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • Bluetooth pairing
  • Watchface and app gallery
  • Firmware updates
  • Notification control
  • Health data sync
  • Developer tools
Read full description

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

Sci4 screens
Pebble Core4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Sci versus Pebble Core: the parameters behind the verdict, then further details
ParameterSciPebble Core
Price$3.99Free — better
Rating4.0 (46 ratings)4.4 (68 ratings) — better
Positive reviews55.6% of reviews68.3% of reviews — better
Number of ratings4668 — better
Update frequencyEvery 3 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size186 MB158 MB
Age rating4+12+
DeveloperNSTE, LLCCore Devices LLC

Customer experience

Sci

All ratings46 ratings
Positive71.7%
Neutral8.7%
Negative19.6%
Written reviews36 reviews
Positive55.6%
Neutral13.9%
Negative30.6%

Pebble Core

All ratings68 ratings
Positive83.8%
Neutral4.4%
Negative11.8%
Written reviews41 reviews
Positive68.3%
Neutral4.9%
Negative26.8%

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

None

Sci

No in-app purchases

None

Pebble Core

No in-app purchases

Questions

Is Sci free?
Sci costs $3.99, with no in-app purchases.
Is Pebble Core free?
Pebble Core is free to download, with no in-app purchases.
Which has better reviews, Sci or Pebble Core?
Pebble Core is rated higher. Sci averages 4.0 out of 5 from 46 ratings, while Pebble Core averages 4.4 from 68 ratings.
Do Sci or Pebble Core have ads?
Neither Sci nor Pebble Core shows ads.
Which is updated more often, Sci or Pebble Core?
Sci ships an update every 3 months, and Pebble Core every 11 days. Most recently, Sci was updated on September 21, 2026 and Pebble Core on September 19, 2026.

Other comparisons