OfflineNote vs Chatika
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OfflineNote
Securely capture your thoughts, ideas, and important information offline. This app stores your data solely on your device, offering full control and robust encryption for privacy. Organize notes with custom styles, categories, and lists, and easily back up or share your data.
- Offline note-taking
- Device-only data storage
- Customizable paper options
- Categories and subcategories
- To-do lists
- Secure data backup and sharing
- Encrypted fields
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Do you want to jot down your special notes, breakthrough ideas or any information so you don't forget it, but you are worried about the security of your data? Then press the download button without wasting time! OfflineNote is a note-taking application where you can take notes offline and your data is stored only on your device. You have full control over your data. Your data is never stored on a server or cloud system. You can store your database in your own trusted areas and then include it again. You can also use this feature to share your notes with your loved ones. Here are the highlights of OfflineNote: - Different Paper Options: Take notes on plain, lined, square, canvas, etc. paper options; draw in canvas mode. - Categories and Subcategories: Organise your notes with thematic categories and subcategories. - Rich Customisation: Personalise your notes by adding custom colours, icons and images. - Lists: Create to-do lists and tick off tasks you have completed. - Search Feature: Easily find your notes, categories and lists. - Data Backup: Export all your data securely and back it up in a storage space you trust. - Database Sharing: Share the records you have created with your loved ones. (You are a famous cook and you have a database where you save your recipes, you can share it with all your followers and all they have to do is import this database and include it in the application. And yes, all your recipes are among their notes). - Security: Your note fields are kept encrypted and when exported, all sensitive parts are fully encrypted and exported. - Language Support: It is suitable for everyone with different language options. You don't have to keep everything in your mind. Come on and take notes!
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
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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!
Screenshots
Verdict
The clearest difference is update cadence: Chatika at fortnightly against OfflineNote's every 4 months. OfflineNote's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.1). On price, review sentiment, ads and in-app purchases 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.
OfflineNote ships an update every 4 months, Chatika fortnightly. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.
| Parameter | OfflineNote | Chatika |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.1 |
| Further details — not scored | ||
| Size | 26 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Oguzhan TORUNOGLU | Chenxing Liu |
Customer experience
OfflineNote
Chatika
In-app purchases
OfflineNote
No in-app purchases
Chatika
No in-app purchases







