Comparison

IEQ Calculator (Classroom) vs AI Notebook

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

Head to head
About

IEQ Calculator (Classroom)

Features
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IEQ calculator (Classroom) provides you an easier alternative to estimate the indoor environmental quality (IEQ) in air-conditioned classroom environment. You can examine the IEQ performance of a classroom by simply inputting several preset indoor environment parameters. The environmental performance of the classroom is expressed via a 5-star benchmarking scale (i.e. 5-stars BEST classroom, 1-star WORST classroom). This application is particularly useful for campus facilities management officers. Development team: Dr. LT Wong Dr. KW Mui Mr. HC Yu Mr. CT Cheung IEQ Research Team, Department of Building Services Engineering, The Hong Kong Polytechnic University Sources: Lee MC, Mui KW, Wong LT, Chan WY, Lee EWM, CT Cheung (2012). Student learning performance and indoor environmental quality (IEQ) in air-conditioned teaching rooms. Building and Environment 49, 238 – 244.

About

AI Notebook

This smart workspace helps you capture, organize, and analyze your ideas and information. Utilize AI-powered tools to summarize content, answer questions, and extract key insights from your notes and documents.

Highlights
  • Create and organize notebooks
  • Take and manage notes
  • Summarize information with AI
  • Ask questions about your materials
  • Extract important information
  • Organize notes and documents
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Our app is a smart workspace designed to help you capture ideas, organize information, and work with your notes more efficiently. Create notebooks, save important materials, and use intelligent tools to turn your notes into useful insights. Keep everything you need in one convenient place. Add notes, text, documents, and other materials to your workspace, then easily review, organize, and search through your information whenever you need it. Smart Note Taking Create and organize notes for studying, work, personal projects, meetings, research, and everyday tasks. Keep your ideas structured and easy to access. AI Powered Assistance Use intelligent tools to summarize information, explain complex topics, answer questions, identify key points, and help you understand your saved materials. Work With Your Materials Add documents, text, and other useful content to your workspace. Review your materials, find important information, and quickly explore the topics that matter to you. Study and Research Make studying and research easier by organizing your materials in one place. Review key information, explore different topics, prepare for exams, and work with your notes more efficiently. Organized Workspace Create separate notebooks for different subjects, projects, meetings, or personal tasks. Keep related notes and materials together so everything stays organized and easy to find. Key Features • Create and organize notebooks • Take and manage notes • Summarize information with AI • Ask questions about your materials • Extract important information • Organize notes and documents • Search through saved information • Get AI powered explanations • Organize study and research materials • Keep ideas and projects in one place Whether you are studying, working on a project, researching a topic, preparing for exams, or simply collecting ideas, our app provides a convenient workspace to organize information and make everyday note taking more productive. Subscriptions & In App Purchases This application offers auto renewable subscriptions and an optional one time purchase: Weekly — $4.99 Monthly — $12.99 Yearly — $39.99 Lifetime — $59.99 Subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period. Payment is charged to your Apple ID account after purchase confirmation. You can manage or cancel your subscription at any time through your App Store account settings. Privacy Policy: https://docs.google.com/document/d/12Fs4yVgjxDL4fLCT7TpFWnzLaZgtA7eE__V2JRZxnKg/edit?usp=sharing Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

IEQ Calculator (Classroom)2 screens
AI Notebook4 screens

Verdict

The call

The clearest difference is update cadence: IEQ Calculator (Classroom) at every 6 days against AI Notebook's monthly. IEQ Calculator (Classroom) also leads on iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

IEQ Calculator (Classroom) ships an update every 6 days, AI Notebook monthly. The most recent releases landed on November 6, 2026 and November 10, 2026 respectively.

Scorecard2 real differences · 7 level
IEQ Calculator (Classroom) versus AI Notebook: the parameters behind the verdict, then further details
ParameterIEQ Calculator (Classroom)AI Notebook
PriceFreeFree
Rating—3.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 6 days — betterMonthly
AdsNoNo
In-app purchasesNoNo
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better16.4
Further details — not scored
Size1 MB58 MB
Age rating4+4+
DeveloperFishball StudioJuliet Balogun

In-app purchases

None

IEQ Calculator (Classroom)

No in-app purchases

None

AI Notebook

No in-app purchases

Questions

Is IEQ Calculator (Classroom) free?
IEQ Calculator (Classroom) is free to download, with no in-app purchases.
Is AI Notebook free?
AI Notebook is free to download, with no in-app purchases.
Do IEQ Calculator (Classroom) or AI Notebook have ads?
Neither IEQ Calculator (Classroom) nor AI Notebook shows ads.
Which is updated more often, IEQ Calculator (Classroom) or AI Notebook?
IEQ Calculator (Classroom) ships an update every 6 days, and AI Notebook monthly. Most recently, IEQ Calculator (Classroom) was updated on November 6, 2026 and AI Notebook on November 10, 2026.

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