Comparison

Liquid Apollo 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

Liquid Apollo

Access a wide range of AI language models, both locally on your device and through cloud APIs. This app allows you to chat with open-source models, connect to your own hosted LLMs, or utilize services like OpenRouter for broad model access.

Highlights
  • Local LLM support
  • OpenRouter integration
  • Custom backend connections
  • Private AI chat
  • Access to open-source models
  • Connect to hosted LLMs
Features
Read full description

Chat with private, local AI models, connect to every open source AI, or your own locally-hosted private LLMs. Apollo is your own customizable client for accessing language models from all around the web. Local model support (powered by LEAP, a Liquid AI product): run smaller LLMs privately and securely on-device. OpenRouter support: bring an OpenRouter API key to chat with every model on the web. Just sign in by creating an account over at OpenRouter and paste it in to Apollo to access nearly every model, from open source models like Meta Llama 3, to closed source models like OpenAI’s ChatGPT-4. Custom Backend support: want ChatGPT at home? Run an LLM on your computer with tools like LM Studio or Ollama and connect to it with Apollo to host your own private ChatGPT-like mobile app for your family.

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

Liquid Apollo4 screens
Pebble Core4 screens

Verdict

The call

The clearest difference is ratings volume: Liquid Apollo at 599 against Pebble Core's 68. Pebble Core's advantage is iOS requirement (15.6 vs 18.0). On price, rating, review sentiment and update cadence 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Liquid Apollo against 4.4 for Pebble Core. That said, the two scores are not equally well evidenced: Liquid Apollo has 599 ratings behind it against 68, so its average is the more settled of the two. Written reviews split almost evenly too, at 68% and 68% positive.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 11 days. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 8 level
Liquid Apollo versus Pebble Core: the parameters behind the verdict, then further details
ParameterLiquid ApolloPebble Core
PriceFreeFree
Rating4.5 (599 ratings) — better4.4 (68 ratings)
Positive reviews68.5% of reviews — better68.3% of reviews
Number of ratings599 — better68
Update frequencyEvery 11 daysEvery 11 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, Mac — betteriPhone, iPod
Requires iOS18.015.6 — better
Further details — not scored
Size150 MB158 MB
Age rating12+12+
DeveloperLiquid AI, Inc.Core Devices LLC

Customer experience

Liquid Apollo

All ratings599 ratings
Positive88.1%
Neutral3.0%
Negative8.8%
Written reviews146 reviews
Positive68.5%
Neutral11.0%
Negative20.5%

Pebble Core

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

User reviews

Liquid Apollo

From 599 App Store ratings

What we love

  • 🚀 Great app
  • 🚀 Works well with OpenRouter
  • 🚀 Excellent for running local models
  • 🚀 Convenient one-time purchase
  • 🚀 Clean and intuitive UI

Room to improve

  • 🐛 Crashes frequently
  • 🐛 Glitches when editing messages
  • 🐛 Inconsistent message formatting
  • 🐛 Slow performance with larger conversations
  • 🔒 Unable to disable app transport security

Pebble Core

From 68 App Store ratings

What we love

  • 🚀 Usable for basic functionality
  • 👍 Works great
  • 👍 No issues since installing
  • 👍 Supports legacy Pebble watches
  • 👍 Excited for the future

Room to improve

  • 🔒 Requires restrictive Rebble login
  • 🔒 Violates privacy

Bugs and requests

Liquid Apollo

Reported bugs

6 issues
  • Unable to download Liquid Models
  • Deleted locally installed models
  • OpenRouter support crashes the app
  • Voice list doesn't load all available voices
  • Backspace lag leading to unintended text deletion
Show 1 more
  • Inconsistent behavior when using code blocks

Requested features

10 requests
  • Add support for more open-source models (e.g. Gemma 3)
  • Implement image generation and upload functionality
  • Allow scheduling of asynchronous tasks
  • Integrate with Hugging Face model repository
  • Provide built-in prompt library
Show 5 more
  • Add MCP (Multimodal Conversation Protocol) support
  • Enable direct OpenAI API integration
  • Improve voice chat functionality
  • Add option to delete all chat history
  • Implement search and filtering for chat history

Pebble Core

Reported bugs

1 issue
  • None mentioned

Requested features

1 request
  • Standard email registration option

In-app purchases

None

Liquid Apollo

No in-app purchases

None

Pebble Core

No in-app purchases

Questions

Is Liquid Apollo free?
Liquid Apollo is free to download, with no in-app purchases.
Is Pebble Core free?
Pebble Core is free to download, with no in-app purchases.
Which has better reviews, Liquid Apollo or Pebble Core?
Liquid Apollo is rated higher. Liquid Apollo averages 4.5 out of 5 from 599 ratings, while Pebble Core averages 4.4 from 68 ratings.
Do Liquid Apollo or Pebble Core have ads?
Neither Liquid Apollo nor Pebble Core shows ads.
Which is updated more often, Liquid Apollo or Pebble Core?
Liquid Apollo ships an update every 11 days, and Pebble Core every 11 days. Most recently, Liquid Apollo was updated on September 22, 2026 and Pebble Core on September 19, 2026.

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