Chatika vs Control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chatika
This AI chat client offers extensive customization and privacy for your conversations. It acts as a private browser for AI, allowing you to connect with various AI models using your own API keys without data storage on external servers. Enjoy features like web search, image support, and dynamic prompt adjustments.
- Bring Your Own Key (API)
- Rich Chat Actions (quote, fork, revert)
- Web Search integration
- Image support for AI models
- Customizable Persona System
- Dynamic AI parameter settings
- Thought Process View
Read full descriptionHide full description
Chatika is a free AI chat client that gives you complete freedom, flexibility, and privacy in your AI conversations. Think of it as a highly customizable private browser or Lego builder for AI chat — a pure client that facilitates communication with AI providers (cloud or local), without storing anything outside your device. Currently, the app UI supports English and 中文 (Simplified Chinese). AI chats themselves can be carried out in most languages. (More UI language options coming soon!) Key Features: • Bring Your Own Key – Chat with any supported AI model using your own API keys. No subscriptions required. • Rich Chat Actions – Select & quote, fork conversations, revert messages, regenerate replies. • Web Search – Search and chat with real-time information from the internet. • Image Support – Send images to compatible AI models. • Persona System – Built-in personas with the option to create and customize your own. • Custom System Prompts – Inject or modify prompts to shape AI behavior. • Dynamic Settings – Change parameters mid-conversation. • Thought Process View – See how reasoning models think step-by-step (for supported models). Chatika is designed for users who value control, privacy, and customization in their AI interactions. Whether you’re a writer, developer, researcher, or simply curious about AI, Chatika has a mode and persona that fits you. This is an indie project with no monetization plans. Your support and feedback are always welcome!
Control
Read full descriptionHide full description
Your AI conversations with complete privacy. Control is a free LLM interface that puts you in charge of your AI experience. Chat with lightweight open source language models while keeping your data completely private. These mobile-optimized models offer basic AI assistance with the trade-off of complete privacy and offline functionality - everything runs locally on your device. This is a basic tool. Privacy & Data Protection: All processing happens on your device with no data collection or sharing. Your conversations never leave your phone and no accounts, logins, or cloud storage are required. Works completely offline with zero network dependencies for chat, no tracking or analytics. Your data stays yours and history resets after every session or 24 hours, whichever comes first, ensuring no persistent data storage. Choice: Choose from various open source language models and switch between models instantly to find the perfect AI assistant for your specific needs. Free and open source with no subscriptions or hidden costs.
Screenshots
Verdict
The clearest difference is update cadence: Control at every 5 days against Chatika's fortnightly. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Chatika ships an update fortnightly, Control every 5 days. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.
| Parameter | Chatika | Control |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.1 — better | 18.5 |
| Further details — not scored | ||
| Size | 8 MB | 9 MB |
| Age rating | 4+ | 12+ |
| Developer | Chenxing Liu | Carlos Tarrats |
In-app purchases
Chatika
No in-app purchases
Control
No in-app purchases








