ChatEngine vs AI Chat Assistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChatEngine
This AI assistant leverages advanced models like GPT-5 and Gemini to help with writing, image generation, document summarization, and problem-solving. It offers a suite of tools for creative tasks, productivity boosts, and academic assistance.
- AI text generation
- AI image generation
- Document summarization and rewriting
- Image-to-text conversion (OCR)
- AI homework helper
- Resume and cover letter builder
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Meet ChatEngine – Your Ultimate AI Chat Assistant Say hello to ChatEngine, your all-in-one intelligent chatbot built on today’s most advanced large language models. This powerful AI assistant is designed to streamline your daily workflow, enhance productivity, and ignite your creativity—helping with everything from writing and problem-solving to brainstorming and beyond! What can ChatEngine do? Explore our full range of smart, versatile, and practical features designed to simplify your life: AI WRITING & TEXT GENERATION TOOL This intelligent writing assistant can craft compelling copy, social posts, speeches, and creative outlines. It functions as a professional AI editor that can proofread, refine, and elevate your text instantly. CREATIVE AI IMAGE GENERATOR Turn your words into art! Simply describe what you want, and ChatEngine transforms your ideas into stunning visuals. Ready to create your first AI-generated masterpiece? SMART DOCUMENT CENTER Effortlessly translate, proofread, or analyze text materials with your personal pocket assistant. Break down long paragraphs and extract core information seamlessly. IMAGE-TO-TEXT CONVERTER (OCR) Share any photo, document snippet, or screenshot, and ChatEngine’s advanced text recognizer will extract the characters accurately and instantly. TAILORED AI EXPERTS ChatEngine features a specialized crew of smart assistants! Whether you are exploring business planning concepts, researching general learning topics, or practicing a new language, your dedicated AI crew is always ready to assist. EFFORTLESS SUMMARY CREATOR Powered by industry-leading AI infrastructure, ChatEngine acts as your summarizing superpower. It condenses lengthy content, long articles, or busy transcripts into clear, concise key points. DAILY PRODUCTIVITY PARTNER Need to structure a professional sales email or format a business proposal? ChatEngine has you covered. Utilize our specialized templates to craft professional materials and boost your work efficiency in minutes. LEARNING & CONCEPT HELPER ChatEngine makes tough concepts easy to grasp. It helps you break down complex logic step-by-step, providing clear explanations for mathematics, science, and languages. ADVANCED AI VISION Need a photo caption, recipe inspiration, or design context? Just upload an image and let AI Vision provide helpful tips, creative analysis, and instant visual interpretation. CURATED PROMPT LIBRARY Access a rich collection of ready-made prompts for any task—from video scripts to career planning outlines. These pre-configured inputs spark immediate inspiration and streamline your workflow. Simplify your daily tasks, unleash your imagination, and achieve more—all inside one secure application. Experience the true potential of modern AI with ChatEngine today! PREMIUM SUBSCRIPTION Subscribe to unlock unlimited access and higher token capacity for all premium features. Subscription plans automatically renew through your App Store account according to your selected billing cycle (weekly, monthly, or annually) unless auto-renew is turned off at least 24 hours prior to the end of the current period. Privacy Policy: https://sites.google.com/view/chatengineprivacypolicy Terms of Use: https://sites.google.com/view/chat-engine-terms-of-service
AI Chat Assistant
This app offers a versatile AI assistant powered by multiple leading models, capable of answering questions, generating images, solving math problems via camera, and assisting with writing tasks. It also features voice interaction, file analysis, and specialized AI assistants for various needs.
- Multiple AI models (ChatGPT, Claude, Gemini, Grok, DeepSeek)
- AI image generation from text or photos
- Camera-based math problem solver
- AI-powered web search and summarization
- Voice chat mode
- File upload and analysis (PDF, DOC, XLS)
- 50+ specialized AI assistants
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ChatBoost is the all-in-one AI assistant powered by ChatGPT, Claude, Gemini, Grok, and DeepSeek — all in a single app. ASK AI ANYTHING Get instant answers on any topic. From marketing ideas and career advice to relationship tips and travel bookings — just ask. GENERATE ANY IMAGE Create stunning AI-generated images from text or your own photos. Turn selfies into caricatures, art styles, and more. SNAP & SOLVE Point your camera at any math problem and get a step-by-step solution instantly. Homework has never been easier. SMART WEB SEARCH Search the web with AI and get summarized, up-to-date answers instead of endless links. CHAT IN VOICE MODE Talk naturally with AI using voice mode — perfect for hands-free conversations on the go. UPLOAD FILES & ASK AI Drop a PDF, DOC, XLS, or ZIP file and let AI summarize, analyze, or answer questions about it. ANALYZE WITH CAMERA Snap a photo of anything — food, documents, products — and get instant AI analysis. Count calories, extract text, identify objects. AI WRITING ASSISTANT Write better emails, academic papers, social media posts, and more. Fix grammar, translate between languages, and generate content in seconds. 50+ AI ASSISTANTS Choose from specialized assistants for marketing, coding, cooking, fitness, legal advice, and much more. WHY CHATBOOST? • 5 leading AI models in one app (GPT, Claude, Gemini, Grok, DeepSeek) • Image generation & photo editing • Camera OCR — snap & solve math, scan documents • Voice conversations • File upload & analysis (PDF, DOC, XLS) • Real-time web search • 50+ built-in AI assistants • Works on iPhone and iPad Start your free trial today and unlock the full power of AI. Disclaimer: ChatBoost uses licensed APIs from third-party AI providers. Outputs may be inaccurate. Please do not share personal information. Review our Privacy Policy and Terms for details. Privacy Policy: https://one-eigthy.com/privacy-policy/ Terms of Use: https://one-eigthy.com/terms-of-use/
Screenshots
Verdict
The clearest difference is review sentiment: ChatEngine at 100% against AI Chat Assistant's 61%. ChatEngine also leads on rating (4.7 vs 4.3). AI Chat Assistant's advantage is update cadence (weekly vs every 3 weeks). 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
Both are free to download. ChatEngine sells 11 in-app purchases, starting at $7.99 per 7 days and AI Chat Assistant sells 12 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.
ChatEngine holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 163 and 342 respectively. Written reviews point the same way: 100% of ChatEngine's written reviews are positive against 61% of AI Chat Assistant's.
ChatEngine ships an update every 3 weeks, AI Chat Assistant weekly. The most recent releases landed on September 26, 2026 and September 23, 2026 respectively.
| Parameter | ChatEngine | AI Chat Assistant |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (163 ratings) — better | 4.3 (342 ratings) |
| Positive reviews | 100.0% of reviews — better | 60.9% of reviews |
| Number of ratings | 163 | 342 — better |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 61 MB | 131 MB |
| Age rating | 4+ | 4+ |
| Developer | AIONIX | One Eighty Ltd. |
Customer experience
ChatEngine
AI Chat Assistant
In-app purchases
ChatEngine
- ChatHub 1 Week Pro$7.997 Days
- ChatHub AI Plus-Weekly3 Days trial$7.997 Days
- ChatEngine 1 Week Pro$9.997 Days
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- ChatHub AI Plus-Weekly7 Days trial$9.997 Days
- ChatHub 1 Week Pro7 Days trial$19.997 Days
- ChatHub AI Plus-Yearly$39.991 Year
- ChatHub AI Plus-Yearly$59.991 Year
- ChatEngine AI Plus-Yearly$99.991 Year
- chatengine_60_credits$4.99
- chatengine_200_credits$14.99
- chatengine_500_credits$29.99
AI Chat Assistant
- Chatplus Premium Access Weekly3 Days trial$7.997 Days
- Chatplus Premium Weekly3 Days trial$7.997 Days
- AI Chatbot Weekly Access- Chatplus3 Days trial$8.997 Days
Show 6 moreShow fewer
- Chatplus Premium Weekly Trial7 Days trial$9.997 Days
- Chatplus Premium Monthly$14.991 Month
- Chatplus Plus (1 Year Image)$49.991 Year
- AI Chatbot Yearly Access- Chatplus$69.991 Year
- Chatplus Premium Yearly$69.991 Year
- Chatplus Premium Yearly$89.991 Year
- premium$6.99
- premium$11.99
- Chatplus 10000 Credits$29.99









