Comparison

Open Book AI Chat vs CloudyAI

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

Head to head
About

Open Book AI Chat

This AI chat application leverages advanced natural language processing to enhance communication and productivity. It facilitates efficient interactions with colleagues, clients, and friends for collaboration, business, or personal connections.

Highlights
  • Advanced natural language processing
  • Streamlined communication
  • Team collaboration
  • Client interaction
  • Personal messaging
Features
Read full description

Looking for an AI chat app that can simplify communication and boost productivity? Look no further than our cutting-edge chat app. With our app's advanced natural language processing capabilities, you can easily and efficiently communicate with colleagues, clients, and friends alike. Whether you're looking to collaborate with team members, close a deal with a client, or just catch up with a friend, our AI chat app is the perfect solution. Try it today and see the difference for yourself. Open Book AI comes with a free tier of AI usage that's limited. You may purchase an auto-renewing subscription through an In-App Purchase. (If you do not maintain a subscription you are limited in your features) • Auto-renewable subscription • Weekly ($3.99) duration with an initial 3 day free trial • Your subscription will be charged to your iTunes 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 iTunes Account Settings after purchase. Terms of Use: https://openbooktest.net/tos Privacy Policy: https://openbooktest.net/privacypolicy End User License Agreement https://openbooktest.net/eula

About

CloudyAI

This AI-powered chatbot assists with various tasks for personal or business use. It offers specialized AI skills like content writing and problem-solving, with over 20 pre-made prompts. Chats are automatically saved for easy reference.

Highlights
  • AI chatbot powered by advanced AI
  • Specialized AI skills (content writer, problem solver, etc.)
  • Over 20 ready-made prompts
  • Automatic chat history saving
  • Personal and business use cases
Features
Read full description

Cloudy AI application is a chat bot powered by AI. Whether you want to use the AI for personal use or for business it will provide the help you need. You can choose the chatbot to behave with specific AI skills like content writer, problem solver, research analyst etc. with over 20 types of ready made prompts ready to use. Your chats are automatically saved in history so you don't need to worry about missing any important information for future reference. Download the app Cloudy AI today and take your skills to the next level with the AI smart assistant skills that can help you with any task. Perfect for everyone. Subscriptions: Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions can be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. The user will still receive access to all Pro features until the end of current period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://www.termsfeed.com/live/7fdb33e2-6581-49d5-8cde-3548de132d38 Terms of Service: https://www.termsfeed.com/live/7b31a93e-7ff3-4e65-9160-28757cdecd95

Screenshots

Open Book AI Chat4 screens
CloudyAI4 screens

Verdict

The call

The clearest difference is rating: Open Book AI Chat at 5.0 against CloudyAI's 4.2. Open Book AI Chat also leads on device support (5 vs 1). CloudyAI's advantage is update cadence (every 3 days vs every 2 months) and ratings volume (110 vs 2). On price, ads, in-app purchases and monetization model 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. Open Book AI Chat sells 1 in-app purchase, starting at $3.99 per 7 days and CloudyAI sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Open Book AI Chat holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: CloudyAI has 110 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Open Book AI Chat ships an update every 2 months, CloudyAI every 3 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

Scorecard4 real differences · 6 level
Open Book AI Chat versus CloudyAI: the parameters behind the verdict, then further details
ParameterOpen Book AI ChatCloudyAI
PriceFreeFree
Rating5.0 (2 ratings) — better4.2 (110 ratings)
Positive reviews—36.4% of reviews
Number of ratings2110 — better
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Mac, Apple TV, Apple Watch — betteriPhone
Requires iOS16.2 — better16.4
Further details — not scored
Size54 MB12 MB
Age rating9+12+
DeveloperCat Bakery, LLCDeepansh Jagga

Customer experience

Open Book AI Chat

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

CloudyAI

All ratings86 ratings
Positive80.2%
Neutral3.5%
Negative16.3%
Written reviews11 reviews
Positive36.4%
Neutral0.0%
Negative63.6%

In-app purchases

1 purchases

Open Book AI Chat

Subscriptions1
  • Open Book AI T13 Days trial$3.997 Days
4 purchases

CloudyAI

Subscriptions4
  • Pro Weekly3 Days trial$4.997 Days
  • Pro Monthly$9.991 Month
  • Pro 6 Months$24.996 Months
Show 1 more
  • Pro Yearly$59.991 Year

Questions

Is Open Book AI Chat free?
Open Book AI Chat is free to download, with in-app purchases available.
Is CloudyAI free?
CloudyAI is free to download, with in-app purchases available.
Which has better reviews, Open Book AI Chat or CloudyAI?
Open Book AI Chat is rated higher. Open Book AI Chat averages 5.0 out of 5 from 2 ratings, while CloudyAI averages 4.2 from 110 ratings.
Do Open Book AI Chat or CloudyAI have ads?
Neither Open Book AI Chat nor CloudyAI shows ads.
Which is updated more often, Open Book AI Chat or CloudyAI?
Open Book AI Chat ships an update every 2 months, and CloudyAI every 3 days. Most recently, Open Book AI Chat was updated on November 3, 2026 and CloudyAI on November 8, 2026.

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