Comparison

JS.Notebook vs ChatAI

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

Head to head
About

JS.Notebook

Build, test, and run your JavaScript code directly on your iOS device. This utility allows you to execute scripts in widgets and even use your device as a host for computer browser code execution.

Highlights
  • Build JavaScript code
  • Test code at runtime
  • Run code in widgets
  • Use device as code host
  • Code execution in computer browser
Features
Read full description

JS Notebook provides a creative way for you to build and try out your Javascript. - Build, test, and check your code at runtime. - Easily run your code in Widgets - Read code in computer browse, make the iOS device to be a host.

About

ChatAI

This AI-powered assistant answers questions and provides information using natural language. It offers a premium subscription for enhanced features and is available on multiple Apple devices.

Highlights
  • Natural language interaction
  • Intelligent question answering
  • Information provision
  • Premium subscription option
  • Cross-device compatibility
Read full description

ChatAI is an intelligent question answering robot. Able to interact with users through natural language input and attempt to answer their questions or provide relevant information. [Premium Subscription] If you subscribe through Apple, the system will deduct the corresponding amount from your App Store account when you confirm your purchase. Unless the user turns off automatic renewal at least 24 hours before the end of the current subscription period, the system will automatically renew. Within 24 hours before the end of the current subscription period, the system will charge a renewal fee to the corresponding account based on the selected scheme's price. After completing the purchase, users can manage their subscriptions and automatic renewals in the "Account Settings" section. User Agreement: https://ddxm.notion.site/8500a157404e4eb79f036fde718c48ba Privacy Policy: https://ddxm.notion.site/fb16ebd87fbe4ba9b6213b554359df53 If you have any suggestions, please send an email to: hyancat.cn@gmail.com Thank you.

Screenshots

JS.Notebook4 screens
ChatAI3 screens

Verdict

The call

The clearest difference is in-app purchases: JS.Notebook at none against ChatAI's 2. ChatAI's advantage is update cadence (every 4 days vs every 50 months). On price, rating, ratings volume and ads 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. ChatAI sells 2 in-app purchases, starting at $2.99 per month. JS.Notebook asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for JS.Notebook against 5.0 for ChatAI. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

JS.Notebook ships an update every 50 months, ChatAI every 4 days. Both last shipped on November 3, 2026.

Scorecard3 real differences · 6 level
JS.Notebook versus ChatAI: the parameters behind the verdict, then further details
ParameterJS.NotebookChatAI
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 50 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS14.0 — better15.0
Further details — not scored
Size19 MB10 MB
Age rating4+17+
DeveloperZijie Deng松明 张

Customer experience

JS.Notebook

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

ChatAI

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

JS.Notebook

No in-app purchases

2 purchases

ChatAI

Subscriptions2
  • Monthly$2.991 Month
  • Yearly$24.991 Year

Questions

Is JS.Notebook free?
JS.Notebook is free to download, with no in-app purchases.
Is ChatAI free?
ChatAI is free to download, with in-app purchases available.
Which has better reviews, JS.Notebook or ChatAI?
JS.Notebook and ChatAI are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do JS.Notebook or ChatAI have ads?
Neither JS.Notebook nor ChatAI shows ads.
Which is updated more often, JS.Notebook or ChatAI?
JS.Notebook ships an update every 50 months, and ChatAI every 4 days. Most recently, JS.Notebook was updated on November 3, 2026 and ChatAI on November 3, 2026.

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