AI Arena vs Spike Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AI Arena
Compare the responses of various AI assistants side-by-side. Create custom arenas to test different AI models with identical prompts and analyze their quality, accuracy, and creativity.
- Create custom comparison arenas
- Test multiple AI models simultaneously
- Send identical prompts
- Compare response quality
- Analyze accuracy and creativity
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AI Arena lets you create custom comparison arenas to test multiple AI assistants side-by-side. Ask the same questions to Claude, GPT, Perplexity, Llama, Google Gemini and more to directly compare their responses. KEY FEATURES: - Create multiple comparison arenas with different AI model combinations - Send identical prompts to multiple AI models simultaneously - Compare response quality, accuracy, creativity, and style
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: Spike Studio at 71% against AI Arena's 0%. Spike Studio also leads on rating (3.1 vs 1.0) and in-app purchases (none vs 3). On price, update cadence, ads and device support 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. AI Arena sells 3 one-off in-app purchases. Spike Studio asks for nothing beyond the download.
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 2, so its average is the more settled of the two. Written reviews point the same way: 0% of AI Arena's written reviews are positive against 71% of Spike Studio's.
AI Arena ships an update fortnightly, Spike Studio every 8 days. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.
| Parameter | AI Arena | Spike Studio |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) | 3.1 (11 ratings) — better |
| Positive reviews | 0.0% of reviews | 71.4% of reviews — better |
| Number of ratings | 2 | 11 — better |
| Update frequency | Fortnightly | Every 8 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone, Apple Watch — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 27 MB | 118 MB |
| Age rating | 12+ | 4+ |
| Developer | Broad Quest Limited | Jan Stellmann |
Customer experience
AI Arena
Spike Studio
In-app purchases
AI Arena
- 100 Arena Points$1.99
- 1000 Arena Points$19.90
- 5000 Arena Points$99.00
Spike Studio
No in-app purchases









