Comparison

Classroom Environment vs But Why??

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

Head to head
About

Classroom Environment

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This App is used in conjunction with Classroom Environment Monitoring System, with nine main measurement parameters including PM2.5, PM10, TVOC, carbon dioxide, formaldehyde, illumination, noise, temperature, and relative humidity. The measured data is uploaded in real-time to the IoT cloud platform. After registering the equipment, users can view various parameters of classroom/indoor environment measured in real time.

About

But Why??

This app provides clear, age-appropriate explanations for children's endless "why" questions, using AI to tailor answers to their specific age. It offers multiple ways to ask questions and features like read-aloud and related topics for deeper learning.

Highlights
  • AI-generated age-appropriate explanations
  • Voice and photo input for questions
  • Read Aloud mode
  • Related topic suggestions
  • Child profiles with age customization
  • Adjustable detail levels (Quick, Default, Detailed)
Features
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But Why? turns endless questions into real learning moments. Every parent knows the feeling. Your kid looks up and asks "But why is the sky blue?" or "But why do we dream?" — and you want to give them a real answer, not a vague "it's complicated." That's exactly what But Why? is for. Using AI, But Why? generates clear, age-appropriate explanations tailored to your child's actual age. A four-year-old and a twelve-year-old both deserve good answers — they just need them explained differently. But Why? handles that automatically. WAYS TO ASK • Type your question • Speak it out loud — voice input transcribes automatically • Snap a photo — point the camera at anything and ask about it WHAT YOU GET BACK • A clear, readable answer written for your child's specific age • AI-generated illustrations (Premium) that bring concepts to life • Read Aloud mode — the app reads the explanation in a natural voice • Related topics — tap any suggested topic to explore further • Follow-up questions — keep the conversation going Choose how much detail you want: Quick, Default, or Detailed. CHILD PROFILES Create a profile for each child with their name and age. But Why? automatically adjusts vocabulary, examples, and depth. Switch between kids with a single tap. BUILT FOR PARENTS No ads, no social features, no rabbit holes. Just questions and answers. The interface is warm, colorful, and easy to navigate. PLANS • Free — 3 questions per month • Basic — 40 questions per month • Premium — 150 questions per month, plus AI-generated illustrations Subscriptions are billed monthly and can be managed or cancelled anytime in your App Store account settings. Terms of Use: https://but-why.app/terms

Screenshots

Classroom Environment4 screens
But Why??3 screens

Verdict

The call

The clearest difference is in-app purchases: Classroom Environment at none against But Why??'s 1. Classroom Environment also leads on iOS requirement (12.2 vs 15.1). But Why??'s advantage is update cadence (every 3 days vs every 5 weeks). On price, ads 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. But Why?? sells 1 in-app purchase, starting at $4.99 per month. Classroom Environment asks for nothing beyond the download.

UpkeepUpdate frequency

Classroom Environment ships an update every 5 weeks, But Why?? every 3 days. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.

Scorecard3 real differences · 6 level
Classroom Environment versus But Why??: the parameters behind the verdict, then further details
ParameterClassroom EnvironmentBut Why??
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.2 — better15.1
Further details — not scored
Size12 MB92 MB
Age rating4+4+
Developer山东远大朗威教育科技股份有限公司Commonwealth Business Systems

In-app purchases

None

Classroom Environment

No in-app purchases

1 purchases

But Why??

Subscriptions1
  • But Why?? Premium Subscription$4.991 Month

Questions

Is Classroom Environment free?
Classroom Environment is free to download, with no in-app purchases.
Is But Why?? free?
But Why?? is free to download, with in-app purchases available.
Do Classroom Environment or But Why?? have ads?
Neither Classroom Environment nor But Why?? shows ads.
Which is updated more often, Classroom Environment or But Why???
Classroom Environment ships an update every 5 weeks, and But Why?? every 3 days. Most recently, Classroom Environment was updated on September 17, 2026 and But Why?? on September 15, 2026.

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