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3sparks Chat

3sparks Chat

AI Chat Client and Keyboard

28 ratings
38 reviews
🔧 Utilities
📊 Productivity
$5.99

Details

  • Released
  • Updated

Features

Developer

3sparks Labs LLC
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3sparks Chat screenshot #6 for iPhone
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❓5 answered
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About

This AI chat client allows you to connect with local and cloud-based language models. It offers features like image and file support, a web content reader, and a home screen widget for quick chat initiation. The integrated AI keyboard helps refine your writing in any application.

✓Connect to local and cloud AI models
✓Image and file upload support
✓Web content reader
✓Home screen widget
✓Share extension
✓AI Keyboard Extension for rewriting
✓Customizable prompts and tone
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What users say

Summarized from real user reviews of 3sparks Chat. Based on 28 reviews and a 4.2/5 average, it highlights the 9 positives and 16 negatives reviewers mention most about this Productivity app.

Positive things

  • 👍Intuitive and easy to use
  • 🚀Works great with local LM Studio/Ollama
  • 💡Image enablement appreciated
  • 💡Saving and using system prompts
  • 💡Good value for money (one-time purchase)
  • 🤝Responsive and helpful developer
  • ✨Slick UI
  • 🔒Private alternative to cloud services
  • 🚀Fast setup and connection

Negative things

  • 🐛App freezes and locks up during chats
  • 🐛Updates break functionality
  • 🐛Cannot cancel subscription/no in-app cancellation
  • 🐛Does not work in prohibited countries without VPN
  • 🐛Timeouts make it unusable
  • 🐛LLM stops responding after a few messages
  • 🐛Chat history stops loading
  • 🐛Default token limit too small
  • 🐛No iOS Live Activity
  • 🐛Cannot provide local PDF files
  • 🐛No backgrounding while streaming responses
  • 🐛Wasted money
  • 🐛Grauenhafte Benutzerfreundlichkeit
  • 🐛Code blocks not shown in reply
  • 🐛Garbled responses from certain models
  • 🐛Requires https, not http
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What's New in 3sparks Chat

3.2

August 30, 2026

Pin the chats you use every day to the top of the list. Speak your messages with dictation, and have replies read back to you. Claude models can now think before answering, with the thinking shown separately from the reply. Start a chat or send a message from Shortcuts, Siri, or the Action button. Download any public Hugging Face model, not just the curated catalog. Paste a model ID or URL and pick the file you want. Also in this release: - Connections show their provider's logo, and every list in the app now shares one design - On iPad, Return sends and Shift+Return starts a new line - The "local model not loaded" notice can be dismissed - A connection missing its API key now says so - Timestamps no longer tick once a second Fixes: - Turning off memory for a chat now sticks - Deleting a chat's messages also clears what was remembered from them - Switching to a model that cannot reason no longer strands the setting - Sending works again as soon as you are back online - Quitting mid-save no longer loses a message

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User reviews

Most RecentHighest RatedLowest Rated

Works great with LM Studio

I have LM Studio on a private VPN. Works great with authentication enabled in LMS. Would be nice to support compaction. e.g. I have 200k context available and compaction could open a new chat that is compacted to 30k tokens with 40k most recent tokens remembered. For example, "new" compacted chat would "start" over with 70k tokens (30k summary with 40k recent preserved as literal text from previous chat (ok to have a nonsensical cutoff). Compaction should be per-connection configurable. Per model is even better buy per connection is still great and easier to implement.
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Sam GleskeSam Gleske

Updates = Broken

Every time we get an update, more things get broken. Now the app freezes and locks up during chats… you have to close the app and restart it, and your last prompt is gone and you have to redo everything. Can’t use it like this.
LateToThePartyDaveLateToThePartyDave

Intuitive and great support

Secure, easy to use with great features. Very good value for money.
yis90yis90

Works great with local LM Studio

The developer seems to be constantly improving the app and for me it meets many of my used case needs with a back in connection to LM studio.

I very much appreciate the image enablement.
IT ManagerIT Manager

Only Englisch keyboard layout

The language and layout could be also in German for exampel.
MarkissenMarkissen
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Developer apps

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User experience

🐞

Reported Bugs

9 issues

App freezes and locks up during chats

Bug

Updates break functionality

Bug

LLM stops responding after a few messages

Bug

Chat history stops loading

Bug

Timeouts make it unusable

Bug

Code blocks not shown in reply

Bug

Garbled responses from certain models

Bug

App freezes when clicking on a chat

Bug

Cannot connect to external servers that use the http protocol

Bug
✨

Requested Features

15 requests

German language and keyboard layout

Feature

Audio input for prompting

Feature

Set default per connection (token limit, etc.)

Feature

Enable Search grounding for Gemini models

Feature

iOS Live Activity for running queries

Feature

Option to provide local PDF files

Feature

Drag and drop of files into chat

Feature

Backgrounding while streaming responses

Feature

Support all modalities (image & video input/output)

Feature

Set default instructions, skip setup, choose default model

Feature

Lock in default settings (temperature, context window, streaming mode)

Feature

RAG and web search

Feature

Live camera OCR and image generation

Feature

Fix code block display

Feature

Support http protocol for connections

Feature

FAQ

What does 3sparks Chat do?

3sparks Chat is an AI chat client and keyboard that allows you to connect with both local and cloud-based large language models (LLMs). It enhances your chat experience with features like image and file support, a web content reader, and a home screen widget for quick access. The integrated AI keyboard helps you refine your writing in any app.

What are the key features of 3sparks Chat?

Key features include the ability to connect to local models (LM Studio, Ollama) and cloud APIs (OpenAI, Mistral, Gemini), image and file support for enhanced chats, a web content reader, a home screen widget for instant chat initiation, and a share extension. The AI Keyboard Extension allows for on-the-fly rewriting and tone customization in any application.

Is 3sparks Chat free to use?

Based on the provided information, 3sparks Chat is a free application. There are no mentions of in-app purchases or subscription models, and it is also indicated as having no ads.

What devices is 3sparks Chat compatible with?

3sparks Chat is optimized for iOS, iPadOS, and VisionOS. This means you can use it seamlessly across your iPhone, iPad, and Apple Vision Pro devices.

How can I use the AI Keyboard Extension?

The built-in AI Keyboard Extension lets you rephrase and fine-tune your writing directly within any app, such as iMessage, WhatsApp, or email. You can utilize customizable prompts for instant rewriting and set personalized tone and style preferences without forced cloud storage.