Comparison

Chat AI vs Cortex Lantern

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

Head to head
About

Chat AI

This AI-powered assistant helps with writing, image generation, PDF analysis, and understanding video content. It offers tools for grammar checking, rewriting, social media posts, and coding assistance, boosting productivity and creativity.

Highlights
  • AI Writing Assistant
  • Text-to-Image Generation
  • PDF Summarization & Rewriting
  • YouTube Video Analysis
  • Grammar & Spelling Correction
  • Social Media Post Creator
  • Code Writing & Checking
Features
Read full description

Introducing Chat AI: Ask Chatbot Answers – your personal AI assistant, powered by advanced ChatGPT API and GPT-4 models. Whether you're crafting captivating stories or refining academic papers, it empowers your creativity and boosts productivity seamlessly. Key Features: AI Writing Assistant: Receive personalized assistance with any writing project, from emails and speeches to lyrics and poems. Get creative ideas and follow-up questions to enhance your content. Text-to-Image Feature: Transform your concepts into stunning visuals that captivate your audience. PDF Master: Summarize, rewrite, and translate PDFs effortlessly, with the added ability to address any queries about the content. YouTube Pro: Instantly understand and engage with the content of any YouTube video. Chat AI & Ask AI Chatbot can summarize, rewrite, translate, or answer questions about the video's content. Grammar and Spelling Checker: Quickly correct grammatical, spelling, and punctuation mistakes in your text to ensure professional communication. Professional Rewriter: Enhance the coherence and engagement of your text with AI-powered rewriting capabilities. Social Media Posts Creator: Generate eye-catching posts for various social media platforms, including Facebook, Twitter, Instagram, and LinkedIn. Image-to-Text Converter (OCR): Extract text from images seamlessly, enabling instant insertion into your chat conversations. Text Summarizer: Save time and effort with advanced algorithms that identify key information and present it in a concise format. Text-to-Speech Option: Listen to messages with ease, offering an alternative to reading text. Voice-to-Text Function: Speak instead of typing, enhancing convenience and accessibility. AI Keyboard: Utilize the power of AI directly from your device's keyboard, enabling seamless writing and messaging experiences. Math Guru: Receive comprehensive assistance with understanding and mastering mathematical concepts. Expert Coder: Access AI capabilities to write and check programming code, minimizing errors and enhancing efficiency. Resume and Cover Letter Builder: Craft professional documents that showcase your skills, experience, and achievements effectively. Email Generator: Create professional emails effortlessly, whether for sales, announcements, or promotions. Chat AI: Ask Chatbot Answers is your go-to solution for enhancing writing, productivity, and efficiency. Download now to unlock the full potential of AI assistance! Subscribe for Unlimited Access: Gain unlimited access to all app features with our subscription plans. Subscriptions are billed automatically based on the selected plan. Privacy Policy: https://sites.google.com/view/policy-askmeall-chatbox/ Terms of Service: https://sites.google.com/view/terms-askmeall-chatbot/ Contact us: teammarketing@lutech.ltd

About

Cortex Lantern

Features
Read full description

Cortex Lantern is a brain training app and focus timer designed to help you rebuild your attention span and build deep work habits — with a glowing cortex visual that responds to your session in real time. REAL-TIME BRAIN VISUALISATION Start a focus sprint and watch your cortex “light up” as you work. The live brain animation keeps you engaged and present — so focus feels like training, not willpower. TRAIN 5 COGNITIVE PATHWAYS (NEUROSCIENCE-GROUNDED FRAMEWORK) Choose the Pathway that matches what you’re doing right now: • Deep Work — Prefrontal cortex (focus & control) • Creative — Default mode network (ideas & connections) • Learning — Hippocampus (memory & new skills) • Problem-Solving — Frontal-parietal network (logic & decisions) • Communication — Language hubs (expression & understanding) YOUR ATTENTION SPAN SCOREBOARD See focus time, Glow Points, streaks, and progress at a glance — so you always know you’re improving. STREAKS, REWARDS + VISUAL UNLOCKS Turn consistency into momentum: • Daily and weekly streaks • Session history and progress tracking • Achievements and level-ups • Visual unlocks that reward practice SHARE YOUR STREAK Export a premium share card to celebrate wins and make progress visible. FREE VS PRO Start free with core brain training and Deep Work. Upgrade to Pro to unlock all pathways, richer insights, more visual unlocks, and deeper progress tracking. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Payment will be charged to your Apple ID account at confirmation of purchase. You can manage and cancel subscriptions in your App Store account settings. PERFECT FOR • Founders and knowledge workers • Creators and writers • Students and lifelong learners • Anyone rebuilding their attention span and wanting something premium — built for focus. PRIVACY-FIRST Cortex Lantern is not a medical device. It is a visual focus training experience designed to support better habits. Your sessions and stats stay private to you. Privacy Policy: https://cortexlantern.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Built in England by creator and founder Sisi N — made for anyone tired of tab-hopping, notifications, and “one more scroll”.

Screenshots

Chat AI4 screens
Cortex Lantern4 screens

Verdict

The call

The clearest difference is update cadence: Cortex Lantern at daily against Chat AI's every 2 weeks. 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. Chat AI sells 12 in-app purchases, starting at $4.99 per 7 days and Cortex Lantern sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Chat AI ships an update every 2 weeks, Cortex Lantern daily. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

Scorecard1 real difference · 9 level
Chat AI versus Cortex Lantern: the parameters behind the verdict, then further details
ParameterChat AICortex Lantern
PriceFreeFree
Rating4.6 (1.1K ratings) — better—
Positive reviews72.8% of reviews—
Number of ratings1.1K — better—
Update frequencyEvery 2 weeksDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15 — better15.1
Further details — not scored
Size217 MB44 MB
Age rating4+4+
DeveloperLutech-DNThe UGC Playbook LTD

Bugs and requests

Chat AI

Reported bugs

3 issues
  • App stops working after a few months
  • Subscription not transferring to new device
  • Perpetual 'thinking' state, no response

Requested features

3 requests
  • Add landscape mode for iPad
  • Increase number of free questions per day
  • Improve error handling and stability

Cortex Lantern

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

Chat AI

Subscriptions11
  • 1 Week$4.997 Days
  • Ask AI 1 Week$6.997 Days
  • Ask AI Weekly Premium3 Days trial$6.997 Days
Show 8 more
  • Ask AI Weekly Trial Plan3 Days trial$6.997 Days
  • Ask AI Weekly Plan$6.997 Days
  • Ask AI Monthly Plan$15.991 Month
  • 1 Monthly$15.991 Month
  • Ask AI 1 Year$19.991 Year
  • 1 Year3 Days trial$39.991 Year
  • Ask AI Yearly Premium$39.991 Year
  • Ask AI Yearly Plan$39.991 Year
One-time1
  • Lifetime$49.99
2 purchases

Cortex Lantern

Subscriptions2
  • Cortex Lantern Pro$5.991 Month
  • Cortex Lantern Pro Annual$59.991 Year

Questions

Is Chat AI free?
Chat AI is free to download, with in-app purchases available.
Is Cortex Lantern free?
Cortex Lantern is free to download, with in-app purchases available.
Do Chat AI or Cortex Lantern have ads?
Neither Chat AI nor Cortex Lantern shows ads.
Which is updated more often, Chat AI or Cortex Lantern?
Chat AI ships an update every 2 weeks, and Cortex Lantern daily. Most recently, Chat AI was updated on October 11, 2026 and Cortex Lantern on October 12, 2026.

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