Comparison

Limitless AI ChatBot Assistant vs Spike Studio

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

Head to head
About

Limitless AI ChatBot Assistant

Engage in advanced AI conversations with access to multiple leading AI models. Integrate your own API keys for personalized experiences and enjoy a user-friendly interface for research, learning, or casual chats.

Highlights
  • Access to multiple advanced AI models
  • Custom API integration
  • User-friendly interface
  • Versatile use cases
  • Continuous updates
Read full description

Limitless – Your Gateway to Advanced AI Conversations Step into the future of interactive chat with Limitless, the ultimate AI chat app that puts the power of cutting-edge AI technology right at your fingertips. Whether you’re looking for smart assistance, creative brainstorming, or engaging conversations, Limitless connects you with the latest models from OpenAI, Anthropic, Google, and XAI Grok—all in one seamless experience. Key Features: -Access the Latest AI Models: Enjoy real-time conversations with the most advanced AI models available. Switch effortlessly between OpenAI, Anthropic, Google, and XAI Grok to experience a diverse range of responses and capabilities. -Custom API Integration: Already have your own API key? No problem. Limitless allows you to integrate and use your own AI models, giving you complete control over your conversational experience. -User-Friendly Interface: Designed for simplicity and efficiency, Limitless ensures that interacting with powerful AI is just a tap away. Enjoy a clean, intuitive interface that lets you focus on what matters most—your conversation. -Versatile Use Cases: Whether you’re a professional looking for insights, a student in search of help, or just curious about the future of AI, Limitless adapts to your needs. Enjoy everything from detailed research assistance to casual, engaging chats. -Stay Ahead of the Curve: With continuous updates and support for the latest advancements in AI, Limitless keeps you at the forefront of technology, ensuring you always have access to the most innovative tools available. -Unlock a world of possibilities and redefine your interaction with artificial intelligence. Download Limitless today and start exploring the endless potential of AI-powered conversations! Limitless Chat may offer both free and premium features. Access to premium features requires payment. Terms: https://www.agiapplications.org/apps/limitless-chat/terms Privacy: https://www.agiapplications.org/apps/limitless-chat/privacy

About

Spike Studio

Run powerful AI models locally on your device without cloud dependence. Enjoy private, fast responses and full control over your AI experience. Ideal for developers and AI enthusiasts seeking unlimited model usage and zero tracking.

Highlights
  • Run AI models locally
  • No cloud dependence
  • Private data processing
  • Zero cloud costs
  • Unlimited model usage
  • Instant responses
Features
Read full description

Meet Spike Studio: AI chat on your iPhone, with a choice of where your model runs. GET STARTED WITH SPIKE CLOUD Create a free account in the app, verify your email, and start chatting. You do not need a computer or your own server. Free usage limits apply. This version offers no in-app subscriptions or purchases. USE YOUR OWN MODELS Connect an OpenAI-compatible server, including LM Studio, or download an on-device model on a supported iPhone. These options do not require a Spike account. Model downloads need available storage, and on-device performance depends on your iPhone and the selected model. CONNECT YOUR COMPUTER Use an account-linked Runtime from Spike Studio on your computer, and follow Agent work from your iPhone. Computer and Runtime setup are required for these optional features. KEEP YOUR CONVERSATIONS TOGETHER Sign in with the same Spike account across devices to sync encrypted conversations. Organize chats in projects and choose tools for the task at hand. Tools that use iPhone features request the relevant permissions. Cloud chats are processed by Spike Cloud; on-device models run on your iPhone; a connected server processes the chats you send to it. Choose the option that fits your needs.

Screenshots

Limitless AI ChatBot Assistant4 screens
Spike Studio4 screens

Verdict

The call

The clearest difference is review sentiment: Spike Studio at 71% against Limitless AI ChatBot Assistant's 0%. Spike Studio also leads on rating (3.1 vs 1.0) and in-app purchases (none vs 3). Limitless AI ChatBot Assistant's advantage is device support (4 vs 2). On price, ads and iOS requirement 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. Limitless AI ChatBot Assistant sells 3 in-app purchases, starting at $19.99 per month. Spike Studio asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Spike Studio holds the better App Store score, 3.1 against 1.0. That said, the two scores are not equally well evidenced: Spike Studio has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Limitless AI ChatBot Assistant's written reviews are positive against 71% of Spike Studio's.

UpkeepUpdate frequency

Limitless AI ChatBot Assistant ships an update every 8 months, Spike Studio every 8 days. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

Scorecard7 real differences · 3 level
Limitless AI ChatBot Assistant versus Spike Studio: the parameters behind the verdict, then further details
ParameterLimitless AI ChatBot AssistantSpike Studio
PriceFreeFree
Rating1.0 (1 ratings)3.1 (11 ratings) — better
Positive reviews0.0% of reviews71.4% of reviews — better
Number of ratings111 — better
Update frequencyEvery 8 monthsEvery 8 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Mac, Vision Pro — betteriPhone, Apple Watch
Requires iOS17.017.0
Further details — not scored
Size64 MB118 MB
Age rating4+4+
DeveloperAI AgentJan Stellmann

Customer experience

Limitless AI ChatBot Assistant

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Spike Studio

All ratings11 ratings
Positive54.5%
Neutral9.1%
Negative36.4%
Written reviews7 reviews
Positive71.4%
Neutral0.0%
Negative28.6%

In-app purchases

3 purchases

Limitless AI ChatBot Assistant

Subscriptions2
  • Monthly Plan$19.991 Month
  • Yearly Plan$200.001 Year
One-time1
  • Limitless Lifetime$99.99
None

Spike Studio

No in-app purchases

Questions

Is Limitless AI ChatBot Assistant free?
Limitless AI ChatBot Assistant is free to download, with in-app purchases available.
Is Spike Studio free?
Spike Studio is free to download, with no in-app purchases.
Which has better reviews, Limitless AI ChatBot Assistant or Spike Studio?
Spike Studio is rated higher. Limitless AI ChatBot Assistant averages 1.0 out of 5 from 1 ratings, while Spike Studio averages 3.1 from 11 ratings.
Do Limitless AI ChatBot Assistant or Spike Studio have ads?
Neither Limitless AI ChatBot Assistant nor Spike Studio shows ads.
Which is updated more often, Limitless AI ChatBot Assistant or Spike Studio?
Limitless AI ChatBot Assistant ships an update every 8 months, and Spike Studio every 8 days. Most recently, Limitless AI ChatBot Assistant was updated on October 17, 2026 and Spike Studio on October 6, 2026.

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