Nexus LLM vs Spike Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nexus LLM
This app unifies multiple large language models into a single chat interface. It allows users to connect with various LLM services, create custom assistants, and supports self-hosted instances for enhanced privacy. The clean UI offers Markdown formatting for organized conversations.
- Connect multiple LLMs
- Create custom assistants
- Support for self-hosted LLMs
- Markdown formatting
- Clean, modern UI
- API integration
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Nexus LLM: Your Hub for Connecting and Customizing LLMs Nexus LLM brings all your favorite large language models into one seamless, powerful chat app. Easily connect with Ollama, and JanAI via their APIs, enabling access to each service’s full suite of models—all in one place. With Nexus, you can create custom Assistants tailored to your needs, fine-tuning models for personalized interactions. For enhanced privacy, Nexus also supports self-hosted instances of Ollama and JanAI, providing secure, local access to LLMs. Enjoy a clean, modern UI that supports Markdown for formatting, including tables, code blocks, and other essentials, making your chat experience as clear and organized as possible.
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.
- Run AI models locally
- No cloud dependence
- Private data processing
- Zero cloud costs
- Unlimited model usage
- Instant responses
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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
Verdict
The clearest difference is review sentiment: Nexus LLM at 100% against Spike Studio's 71%. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Nexus LLM | Spike Studio |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.1 (11 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 71.4% of reviews |
| Number of ratings | — | 11 — better |
| Update frequency | — | Every 8 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 118 MB |
| Age rating | 4+ | 4+ |
| Developer | Hydra Design LLC | Jan Stellmann |
Customer experience
Nexus LLM
Spike Studio
In-app purchases
Nexus LLM
No in-app purchases
Spike Studio
No in-app purchases







