Comparison

Chat AI vs Ninja

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 app leverages advanced AI to provide a conversational experience, acting as a virtual assistant for daily tasks and a content creation tool. It can answer a wide range of questions and generate unique digital art based on user preferences.

Highlights
  • AI-powered chatbot
  • Virtual assistant for tasks
  • Content writing assistance
  • Question answering
  • AI art generation
  • Intuitive design
Features
Read full description

Chat AI is a powerful chatbot app that utilizes the latest artificial intelligence technology to provide you with an unparalleled conversational experience. Whether you're looking for a virtual assistant to help you with your daily tasks or a writer to assist you in creating content, Chat AI has got you covered. With its advanced AI algorithms, Chat AI can answer a wide range of questions on various topics, from math problems to general knowledge questions. If you're struggling with a problem or need an answer to a question, Chat AI is the perfect tool to help you out. But Chat AI isn't just a helpful assistant; it's also a work of art. Its sleek and intuitive design allows you to effortlessly navigate the app and access all its features. And its ability to engage in natural and human-like conversations will make you forget you're talking to a chatbot. Whether you need help with your studies, want to chat with someone, or need a writer to help you with your work, Chat AI is the perfect tool. With its powerful artificial intelligence and advanced algorithms, it can provide you with answers and solutions that you can rely on. So if you're looking for a chatbot app that is both powerful and intuitive, Chat AI is the way to go. In addition to its powerful AI capabilities, Chat AI is also an art generator. Using its advanced algorithms, Chat AI can create stunning and unique pieces of art that are sure to impress. Whether you're an artist looking for inspiration or just someone who enjoys beautiful things, Chat AI has something for you. With Chat AI's art generator, you can easily create digital art pieces with just a few taps. Simply input your preferences, and Chat AI will do the rest. And the best part? Chat AI's art generator is not only easy to use, but it's also incredibly versatile. You can use it to create digital art for your social media accounts, as a background for your phone, or even to print and hang on your wall. Disclaimer: This product is independently developed and is neither affiliated with nor endorsed or sponsored by OpenAI. PREMIUM SUBSCRIPTION * You can subscribe to get unlimited access to certain app features. * Subscriptions are billed weekly, monthly, or annually at the rate selected depending on the subscription plan. Privacy Policy: https://doc-hosting.flycricket.io/chatai-privacy-policy/b0cad10e-c246-4a35-a2b7-5615592bc9dc/privacy Terms of Service: https://doc-hosting.flycricket.io/chatai-terms-of-use/c9da318c-1b16-4489-90dd-f2fa609f32dd/terms

About

Ninja

This AI-powered assistant helps students and professionals by generating essays with real-time sources, transforming handwritten notes into study guides, and solving homework problems from photos. It also offers integrated document and presentation tools, with a choice of advanced AI models.

Highlights
  • Advanced essay writing with real-time sources
  • Convert handwritten notes to study guides
  • Image-based homework explanation and problem-solving
  • Integrated document and presentation creation
  • Choice of AI models (GPT-4, Claude, etc.)
Features
Read full description

Introducing Ninja, the quintessential app that redefines your educational and professional experience with its unparalleled capabilities. Ninja is a comprehensive tool that elevates your work to new heights, tailor-made for students, professionals, and anyone in need of a powerful assistant. Key Features of Ninja: * Advanced Essay Functionality: Ninja stands out with its superior essay-writing features. Ninja integrates real-time sources, crafting essays that are not just well-written but also rich in content and references. * Supercharged Note-Taking: Transform your handwritten notes into high-quality, personalized guides. With Ninja, just take a picture of your notes, and the app converts them into textbook-quality material, customized to your learning style. * Image Understanding for Homework Help: Stuck on a math problem or a complex science question? Simply snap a photo of your homework, and Ninja's AI will not only explain it but also guide you through solving it. * All-in-One Document and Presentation Tool: Ninja combines document and slide creation into one seamless interface. Whether you're drafting a report or preparing a presentation, Ninja's integrated editors ensure a smooth, efficient workflow. * Choice of AI Models: Select from a range of AI models including NINJA-1, GPT-4, Perplexity, and Claude. Each model brings its unique strengths, from offering real-time information to enhancing creative output, ensuring you always have the best tool for the task. Ninja is more than an app; it's your personal AI-powered companion, designed to enhance your productivity, creativity, and learning. Embrace the future of work and education with Ninja. Terms of Use: https://www.workninja.com/terms-of-service.pdf Privacy Policy: https://www.workninja.com/privacy-policy.pdf

Screenshots

Chat AI4 screens
Ninja4 screens

Verdict

The call

The clearest difference is review sentiment: Ninja at 92% against Chat AI's 58%. Ninja also leads on rating (4.9 vs 4.7) and update cadence (every 2 weeks vs monthly). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Chat AI sells 10 in-app purchases, starting at $3.99 per 7 days and Ninja sells 10 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Ninja holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 15K and 11K respectively. Written reviews point the same way: 58% of Chat AI's written reviews are positive against 92% of Ninja's.

UpkeepUpdate frequency

Chat AI ships an update monthly, Ninja every 2 weeks. The most recent releases landed on November 9, 2026 and November 8, 2026 respectively.

Scorecard4 real differences · 6 level
Chat AI versus Ninja: the parameters behind the verdict, then further details
ParameterChat AINinja
PriceFreeFree
Rating4.7 (15K ratings)4.9 (11K ratings) — better
Positive reviews57.9% of reviews92.1% of reviews — better
Number of ratings15K — better11K
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.4 — better
Further details — not scored
Size83 MB52 MB
Age rating12+4+
DeveloperNiyaz VakhpievJoseph Semrai

Customer experience

Chat AI

All ratings15,351 ratings
Positive91.8%
Neutral2.5%
Negative5.7%
Written reviews297 reviews
Positive57.9%
Neutral5.7%
Negative36.4%

Ninja

All ratings11,025 ratings
Positive98.6%
Neutral0.3%
Negative1.2%
Written reviews203 reviews
Positive92.1%
Neutral0.5%
Negative7.4%

User reviews

Chat AI

From 15K App Store ratings

What we love

  • 🚀 Fast, comprehensive and accurate
  • 👍 Amazing app
  • 👍 Extremely happy with this app
  • 👍 Awesome app
  • 👍 Brilliant

Room to improve

  • 🐛 Don't waste your time or money
  • 🐛 Update difficulty
  • 🐛 Issue
  • 🐛 Sudden issues
  • 🐛 Answer to Questions can be underwhelming

Ninja

From 11K App Store ratings

What we love

  • 🚀 Efficient and productive
  • 👍 User-friendly interface
  • 💡 Customizable features
  • 🚀 Quick task completion
  • 🚀 Helpful AI-powered writing assistance

Room to improve

  • 🐛 Occasional technical issues
  • 🔋 Potential for data loss

Bugs and requests

Chat AI

Reported bugs

7 issues
  • Barely works half the time
  • 4.0 AI can't build off or draw from previous responses
  • Cuts off mid-sentence
  • Deletes all message and chat history when uninstalled
  • Incorrect date and age information
Show 2 more
  • Fragmented or jumbled text output
  • Doesn't follow tone of questions

Requested features

9 requests
  • Add image option
  • Add longer free trial
  • Add ability to input file for AI edits
  • Add ability to continue conversation and build on previous responses
  • Add ability to set AI to act from particular perspective or expertise
Show 4 more
  • Add Spanish language support
  • Add history button to view previous results
  • Add ability to copy and paste prompts
  • Add ability to save favorite prompt formats

Ninja

Reported bugs

2 issues
  • Login screen freezes
  • Compatibility issues with older devices

Requested features

3 requests
  • Dark mode option
  • Expanded collaboration tools
  • Enhanced security and backup features

In-app purchases

10 purchases

Chat AI

Subscriptions10
  • Weekly Pro 2$3.997 Days
  • Weekly Pro 33 Days trial$3.997 Days
  • Weekly Basic$7.997 Days
Show 7 more
  • Weekly Pro3 Days trial$7.997 Days
  • Weekly Pro$7.997 Days
  • Monthly Pro3 Days trial$14.991 Month
  • 6 Month Pro$39.996 Months
  • Yearly Pro$49.991 Year
  • Yearly Pro1 Year trial$49.991 Year
  • Yearly Basic1 Year trial$49.991 Year
10 purchases

Ninja

Subscriptions5
  • Weekly Plan3 Days trial$2.997 Days
  • Basic$4.991 Month
  • Pro$9.991 Month
Show 2 more
  • Premium Monthly$9.991 Month
  • Expert$19.991 Month
One-time5
  • 100 Tokens$4.99
  • Buy 250 Tokens$7.99
  • Basic$9.99
Show 2 more
  • 1500 Tokens$14.99
  • Lifetime Plan$69.99

Questions

Is Chat AI free?
Chat AI is free to download, with in-app purchases available.
Is Ninja free?
Ninja is free to download, with in-app purchases available.
Which has better reviews, Chat AI or Ninja?
Ninja is rated higher. Chat AI averages 4.7 out of 5 from 15K ratings, while Ninja averages 4.9 from 11K ratings.
Do Chat AI or Ninja have ads?
Neither Chat AI nor Ninja shows ads.
Which is updated more often, Chat AI or Ninja?
Chat AI ships an update monthly, and Ninja every 2 weeks. Most recently, Chat AI was updated on November 9, 2026 and Ninja on November 8, 2026.

Other comparisons