Comparison

Cortex vs GraChat

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

Head to head
About

Cortex

Features
Read full description

Your all-in-one AI assistant. Cortex brings the world's best AI models into a single app. No need to switch between apps. Access them all in one place. Multiple AI Models Switch between models mid-conversation or compare two side by side. One prompt, two answers โ€” pick the best. Live Web Search Get answers powered by real-time web results. Always accurate, always current. 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. Rich Content Code blocks, tables, math equations, and diagrams โ€” 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 โ€” your AI, your rules. Cortex Plus and Cortex Pro are optional auto-renewable subscriptions. Payment is charged to your Apple Account, and subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel them 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

GraChat

Features
Read full description

GraChat is a creative AI chat assistant designed to help you explore ideas, improve your writing, find useful answers, and complete everyday tasks more efficiently. Whether you need help with writing, rewriting, translation, brainstorming, studying, work, social media captions, emails, stories, or daily questions, GraChat provides a smooth and helpful AI conversation experience. With GraChat, you can turn simple thoughts into clear content, discover new perspectives, solve problems, and communicate with AI through an easy-to-use chat interface. Key Features โ€ข Chat with AI anytime โ€ข Ask questions and receive helpful answers โ€ข Write, rewrite, and polish text โ€ข Translate, summarize, and explain content โ€ข Generate ideas for work, study, and creative projects โ€ข Create emails, captions, messages, stories, and more โ€ข Explore topics through natural AI conversations โ€ข Enjoy a clean and simple chat experience Premium Membership Upgrade to GraChat Premium to unlock full access to premium AI features and enjoy a more powerful chat experience. We offer three membership options: โ€ข Weekly Membership Access premium AI features with a weekly subscription. โ€ข Yearly Membership Enjoy premium access for one year with better long-term value. โ€ข Lifetime Membership Unlock lifetime premium access with a one-time purchase. Subscription Information Payment will be charged to your Apple ID account after purchase confirmation. Weekly and yearly subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current subscription period. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage or cancel your subscription at any time through your Apple ID subscription settings. The lifetime membership is a one-time purchase and does not automatically renew. Privacy Policy: https://docs.google.com/document/d/1VYo406aw5dcGCyagDWl7hQ_nkuw-bvn9Bh8qrYTJEtQ/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1qm48GJ8i1cHkNCG857vRNxuau-f0vdibxfH2X2LETsg/edit?usp=sharing

Screenshots

Cortex4 screens
GraChat4 screens

Verdict

The call

Cortex and GraChat are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Cortex sells 7 in-app purchases, starting at $4.99 per 7 days and GraChat 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 4 days, GraChat every 3 days. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

ScorecardNo meaningful differences
Cortex versus GraChat: the parameters behind the verdict, then further details
ParameterCortexGraChat
PriceFreeFree
Update frequencyEvery 4 daysEvery 3 days โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.415.0 โ€” better
Further details โ€” not scored
Size70 MB5 MB
Age rating4+12+
DeveloperODBS LLCMola Tech Co., Ltd.

In-app purchases

7 purchases

Cortex

Subscriptions4
  • Plus Weekly$4.997 Days
  • Pro Monthly$8.991 Month
  • Pro Weekly$9.997 Days
Show 1 more
  • Pro Yearly$69.991 Year
One-time3
  • 500 Credits$1.99
  • 50 Credits$2.99
  • 150 Credits$6.99
3 purchases

GraChat

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

Questions

Is Cortex free?
Cortex is free to download, with in-app purchases available.
Is GraChat free?
GraChat is free to download, with in-app purchases available.
Do Cortex or GraChat have ads?
Neither Cortex nor GraChat shows ads.
Which is updated more often, Cortex or GraChat?
Cortex ships an update every 4 days, and GraChat every 3 days. Most recently, Cortex was updated on October 25, 2026 and GraChat on October 20, 2026.

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