Whyzer vs One Smart Puppy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Whyzer
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.
- 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)
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Whyzer 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 Whyzer is for. Using AI, Whyzer 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. Whyzer 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 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 to 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. Whyzer 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 • Whyzer Pro: $4.99 per month for 40 questions, 5 AI illustrations, and 5 Read Aloud plays 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
One Smart Puppy
This AI-powered platform sparks children's curiosity by answering their "But why?" questions in any language. It uses an AI dog to turn everyday wonderings into engaging discoveries, fostering a love for learning and building confidence.
- AI-assisted learning
- Multilingual support
- Sparks curiosity
- Engaging conversations
- Personalized discovery
- Builds confidence
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One Smart Puppy is an AI-assisted learning companion that sparks curiosity in children, and it works in any language your child speaks! Meet Iggy, our friendly AI dog. Iggy brings learning to life by answering every child's favorite question: "But why?" Through engaging conversations and thoughtful follow-up questions, Iggy turns everyday curiosity into meaningful discovery. WHAT'S INSIDE • Ask Iggy "but why" questions by voice or text, in any language: Iggy detects your child's language and answers in it, with no settings needed. English, Spanish, French, German, Portuguese, Italian, Japanese, Korean, Chinese, Arabic, Hindi, Russian and dozens more. • Math Adventure: level-by-level math games, from counting to number ninja challenges. • Bedtime Stories: calm, read-aloud stories narrated by Iggy. • Reading & Writing: letter sounds, sight words, word building and writing practice. • American History lessons: short, narrated lessons about people and events from America's past. • World Explorer: visit countries, landmarks and famous cities around the globe. • Space & Animals: explore planets, stars and creatures big and small. • Parent Dashboard: see your child's learning progress, questions asked and recent conversations. • Family Sharing: share the monthly plan with your family through Apple Family Sharing. • Parent verification: purchases, outside links and the Parent Dashboard are protected by a parent-verification math gate. Iggy is an AI; parents can review and report any answer. By encouraging children to explore their questions naturally, One Smart Puppy makes learning exciting and helps uncover each child's unique talents, strengths and interests, building confidence and a lifelong love of learning. SUBSCRIPTION DETAILS — One Smart Puppy is free to download and includes 3 free questions every day. Unlock unlimited learning: Monthly $7.99/month or Annual $59.99/year. New subscribers get a 7-day free trial. After the trial, the subscription renews automatically at the selected price unless you cancel at least 24 hours before the current period ends. Payment is charged to your Apple Account. Manage or cancel anytime in your Apple Account settings. Prices may vary by country. Purchases require parent verification. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://butwhylearning.com/privacy-policy
Screenshots
Verdict
The clearest difference is rating: One Smart Puppy at 5.0 against Whyzer's 4.0. One Smart Puppy also leads on monetization model (free vs freemium). On price, ratings volume, update cadence 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
Both are free to download. Whyzer sells 1 in-app purchase, starting at $4.99 per month and One Smart Puppy sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
One Smart Puppy holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively.
Whyzer ships an update every 5 days, One Smart Puppy every 9 days. The most recent releases landed on October 19, 2026 and October 28, 2026 respectively.
| Parameter | Whyzer | One Smart Puppy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) | 5.0 (2 ratings) — better |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 5 days — better | Every 9 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 95 MB | 86 MB |
| Age rating | 4+ | 4+ |
| Developer | Commonwealth Business Systems | Matthew Kennard |
Customer experience
Whyzer
One Smart Puppy
In-app purchases
Whyzer
- But Why?? Premium Subscription$4.991 Month
One Smart Puppy
- VIP First User7 Days trial$7.991 Month
- VIP First User Annual7 Days trial$59.991 Year









