Comparison

Opal Chat vs AI 4.0 | Chatbot

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

Head to head
About

Opal Chat

Generate text and images with an AI companion. Create visuals, write content, brainstorm ideas, and get personalized recommendations for various topics. Discover new insights and features by simply asking.

Highlights
  • Create images
  • Write articles and emails
  • Generate creative ideas
  • Analyze pros and cons
  • Get recommendations
  • Explain topics
Features
Read full description

I'm Opal, your new best friend! With me, you can easily generate text and images together. I can: • Create an image of anything • Write articles, emails, or stories • Generate creative ideas • Analyze pros and cons • Travel, food, movie, book, and music recs • Explain any kind of topic Let me be your go-to partner and creative companion. With me, you can create an image of anything, write content, get detailed recommendations for whatever you're working on, and so much more. You never know what kind of amazing features and insights you'll uncover - just ask me! --- After your first 20 messages, you may purchase an auto-renewing subscription through an In-App Purchase. Opal Unlimited. • Your subscription will be charged to your App Store account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. • Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your App Store Account Settings after purchase https://www.opalchat.app/privacy https://www.opalchat.app/terms

About

AI 4.0 | Chatbot

This AI-powered assistant simulates human conversation using advanced natural language processing. It can understand and respond to a wide range of inquiries, offering quick and efficient assistance for tasks like information retrieval and customer service. The app is designed for seamless integration into various platforms.

Highlights
  • Simulates human conversation
  • Natural language processing
  • Machine learning techniques
  • Vast text data training
  • Information retrieval
  • Customer service support
  • Language translation
Features
Read full description

AI Assistant 4.0 is a computer program designed to simulate conversation with human users. It uses natural language processing and machine learning techniques to understand and respond to user inquiries in a way that mimics human communication. Chatbot is trained on a vast amount of text data, making it highly proficient in understanding and responding to a wide range of topics. This technology can be integrated into various platforms such as websites, mobile apps, and messaging services to provide users with quick and efficient assistance. It can also be used for tasks such as customer service, information retrieval, and language translation. The use of chatbot AI assistants is becoming increasingly popular as they can handle high volumes of interactions and provide 24/7 availability, making them a valuable tool for businesses and organizations. App requires a subscription to use. Payment will be charged to the account associated with your Apple ID when you confirm your purchase. Your subscription will automatically renew unless you cancel at least 24 hours before the end of the current period. If you don't cancel within that time, your account will be charged for renewal. You can manage your subscription by going to your account settings in the App Store after purchase. Privacy Policy: https://a1assistant.blogspot.com/2023/01/privacy-policy.html Terms: https://a1assistant.blogspot.com/2023/01/terms-of-use.html Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Opal Chat4 screens
AI 4.0 | Chatbot4 screens

Verdict

The call

The clearest difference is review sentiment: Opal Chat at 100% against AI 4.0 | Chatbot's 36%. Opal Chat also leads on monetization model (free with in-app purchases vs subscription) and rating (5.0 vs 4.6). AI 4.0 | Chatbot's advantage is ratings volume (130 vs 6) and device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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. Opal Chat sells 1 in-app purchase, starting at $9.99 per month and AI 4.0 | Chatbot sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Opal Chat holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: AI 4.0 | Chatbot has 130 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 100% of Opal Chat's written reviews are positive against 36% of AI 4.0 | Chatbot's.

UpkeepUpdate frequency

Opal Chat ships an update every 2 days, AI 4.0 | Chatbot every 10 days. The most recent releases landed on September 8, 2026 and September 22, 2026 respectively.

Scorecard6 real differences · 4 level
Opal Chat versus AI 4.0 | Chatbot: the parameters behind the verdict, then further details
ParameterOpal ChatAI 4.0 | Chatbot
PriceFreeFree
Rating5.0 (6 ratings) — better4.6 (130 ratings)
Positive reviews100.0% of reviews — better36.4% of reviews
Number of ratings6130 — better
Update frequencyEvery 2 days — betterEvery 10 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS16.015 — better
Further details — not scored
Size2 MB121 MB
Age rating4+17+
DeveloperJordan SternCODEPAD YAZILIM VE DIJITAL HIZMETLER LIMITED SIRKETI

Customer experience

Opal Chat

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

AI 4.0 | Chatbot

All ratings130 ratings
Positive89.2%
Neutral2.3%
Negative8.5%
Written reviews11 reviews
Positive36.4%
Neutral0.0%
Negative63.6%

In-app purchases

1 purchases

Opal Chat

Subscriptions1
  • Opal Unlimited$9.991 Month
3 purchases

AI 4.0 | Chatbot

Subscriptions3
  • Premium Weekly | Pro3 Days trial$6.997 Days
  • Monthly Premium | Pro$14.991 Month
  • Yearly Premium | Pro$39.991 Year

Questions

Is Opal Chat free?
Opal Chat is free to download, with in-app purchases available.
Is AI 4.0 | Chatbot free?
AI 4.0 | Chatbot is free to download, with in-app purchases available.
Which has better reviews, Opal Chat or AI 4.0 | Chatbot?
Opal Chat is rated higher. Opal Chat averages 5.0 out of 5 from 6 ratings, while AI 4.0 | Chatbot averages 4.6 from 130 ratings.
Do Opal Chat or AI 4.0 | Chatbot have ads?
Neither Opal Chat nor AI 4.0 | Chatbot shows ads.
Which is updated more often, Opal Chat or AI 4.0 | Chatbot?
Opal Chat ships an update every 2 days, and AI 4.0 | Chatbot every 10 days. Most recently, Opal Chat was updated on September 8, 2026 and AI 4.0 | Chatbot on September 22, 2026.

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