Comparison

Cortex vs AIChatsere

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

Head to head
About

Cortex

Features
Read full description

Your all-in-one AI assistant. Chat with leading AI models in one app: OpenAI GPT, Anthropic Claude, Google Gemini, xAI Grok, DeepSeek, Mistral and more, through each provider's official API. Ask once, compare answers side by side, and keep the best one. Cortex is free to download. All models and the features below (side-by-side compare, live web search, scheduled prompts, smart memory, voice, file uploads and image generation) require a Cortex Pro subscription. Multiple AI Models Switch between models mid-conversation or compare two side by side. One prompt, two answers — pick the best. Live Web Search Get answers grounded in real-time web results. Scheduled Prompts Set daily, weekly, or monthly AI tasks. Cortex runs them automatically and sends you a push notification with the result. Smart Memory Cortex remembers your preferences and personalizes every response automatically. Voice & File Support Speak your prompt or attach images and PDFs directly to any model. Image Generation Turn a text prompt into an image without leaving the chat. Rich Content Code blocks, tables, math equations, and diagrams — beautifully rendered in chat. Prompt Templates Ready-made prompts for coding, writing, translation, analysis, creative work, and productivity. Fully Customizable Adjust tone, style, friendliness, and add custom instructions. Make the AI sound exactly how you want. 33 Languages Full interface localization including English, Turkish, Spanish, French, German, Japanese, Korean, Chinese, Arabic, and more. Stay Organized Folders, search, export, share, and summarize your conversations. Download Cortex — your AI, your rules. Cortex is an independent app and is not affiliated with, endorsed by, or sponsored by OpenAI, Anthropic, Google, xAI, DeepSeek or Mistral. All product names and trademarks belong to their respective owners. Cortex Pro is an optional auto-renewable subscription. Payment is charged to your Apple Account, and the subscription renews automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel it in your App Store account settings. Terms of Use: https://cortex.odbs.tech/terms-of-use Privacy Policy: https://cortex.odbs.tech/privacy-policy

About

AIChatsere

Features
Read full description

AIChatsere is a smart AI chat assistant designed to help you ask questions, write better, generate ideas, and handle everyday tasks more easily. Whether you need help with writing, rewriting, translation, brainstorming, studying, work, social media captions, emails, stories, or daily conversations, AIChatsere gives you a fast and useful AI chat experience anytime. With AIChatsere, you can turn your thoughts into clear answers, improve your writing, explore new ideas, and enjoy natural AI conversations in a simple and easy-to-use chat interface. Key Features • Chat with AI anytime • Ask questions and get instant answers • Get help with writing, rewriting, and polishing text • Translate, summarize, and explain content • Generate ideas for work, study, and daily life • Create emails, captions, messages, stories, and more • Explore helpful answers through natural AI conversations • Enjoy a smooth and simple chat experience Premium Membership Upgrade to AIChatsere Premium to unlock full access and enjoy more powerful AI chat features. We offer three membership options: • Weekly Membership Enjoy premium AI chat features on a weekly basis. • Yearly Membership Get long-term access to premium features with a yearly plan. • Lifetime Membership Unlock premium access permanently with a one-time purchase. Premium features may include unlimited AI chat, faster responses, enhanced writing assistance, and access to more advanced AI features. Privacy Policy: https://docs.google.com/document/d/1RSSJ_B4W8F3dAw_hdGhZHZD8b9UyMQbLpnN86k2bBWk/edit?usp=sharing Terms of Service: https://docs.google.com/document/d/1zsBbpiJ7vqX8pDwPE4L22k6SiZzYAXnWOvmLOcF1u8M/edit?usp=sharing

Screenshots

Cortex4 screens
AIChatsere4 screens

Verdict

The call

The clearest difference is update cadence: AIChatsere at every 2 days against Cortex's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Cortex sells 4 in-app purchases, starting at $4.99 per 7 days and AIChatsere sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Cortex ships an update every 5 days, AIChatsere every 2 days. The most recent releases landed on October 31, 2026 and October 13, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Cortex versus AIChatsere: the parameters behind the verdict, then further details
ParameterCortexAIChatsere
PriceFreeFree
Update frequencyEvery 5 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.415.0 — better
Further details — not scored
Size74 MB5 MB
Age rating4+12+
DeveloperODBS LLCyangzhou guangying network technology co ltd

In-app purchases

4 purchases

Cortex

Subscriptions4
  • Plus Weekly$4.997 Days
  • Pro Monthly$8.991 Month
  • Pro Weekly$9.997 Days
Show 1 more
  • Pro Yearly3 Days trial$59.991 Year
3 purchases

AIChatsere

Subscriptions2
  • week membership$3.997 Days
  • year membership$14.991 Year
One-time1
  • lifetime membership$19.99

Questions

Is Cortex free?
Cortex is free to download, with in-app purchases available.
Is AIChatsere free?
AIChatsere is free to download, with in-app purchases available.
Do Cortex or AIChatsere have ads?
Neither Cortex nor AIChatsere shows ads.
Which is updated more often, Cortex or AIChatsere?
Cortex ships an update every 5 days, and AIChatsere every 2 days. Most recently, Cortex was updated on October 31, 2026 and AIChatsere on October 13, 2026.

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