Comparison

Chatika vs Control

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

Head to head
About

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.

Highlights
  • 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
Features
Read 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!

About

Control

Features
Read 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

Chatika4 screens
Control3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Chatika ships an update fortnightly, Control every 5 days. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

Scorecard1 real difference · 9 level
Chatika versus Control: the parameters behind the verdict, then further details
ParameterChatikaControl
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.1 — better18.5
Further details — not scored
Size8 MB9 MB
Age rating4+12+
DeveloperChenxing LiuCarlos Tarrats

In-app purchases

None

Chatika

No in-app purchases

None

Control

No in-app purchases

Questions

Is Chatika free?
Chatika is free to download, with no in-app purchases.
Is Control free?
Control is free to download, with no in-app purchases.
Do Chatika or Control have ads?
Neither Chatika nor Control shows ads.
Which is updated more often, Chatika or Control?
Chatika ships an update fortnightly, and Control every 5 days. Most recently, Chatika was updated on September 18, 2026 and Control on September 10, 2026.

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