# Whyzer vs One Smart Puppy

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.

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.

## The numbers

| Metric | Whyzer | One Smart Puppy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/whyzer/id6759309007/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/one-smart-puppy/id6759680645/reviews)** |
| Number of ratings | **3** | 2 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | Freemium | **Free** |
| Size | 95 MB | 86 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Commonwealth Business Systems](https://appshunter.io/developer/1878026564) | [Matthew Kennard](https://appshunter.io/developer/1837231071) |

## What reviewers say

### Whyzer

[App page](https://appshunter.io/ios/app/whyzer/id6759309007)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| But Why?? Premium Subscription | $4.99 | per month |


### One Smart Puppy

[App page](https://appshunter.io/ios/app/one-smart-puppy/id6759680645)

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.

**Highlights:** AI-assisted learning, Multilingual support, Sparks curiosity, Engaging conversations, Personalized discovery, Builds confidence

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP First User | $7.99 | per month |
| VIP First User Annual | $59.99 | per year |


## Frequently asked questions

### Is Whyzer free?

Whyzer is free to download, with in-app purchases available.

### Is One Smart Puppy free?

One Smart Puppy is free to download, with in-app purchases available.

### Which has better reviews, Whyzer or One Smart Puppy?

One Smart Puppy is rated higher. Whyzer averages 4.0 out of 5 from 3 ratings, while One Smart Puppy averages 5.0 from 2 ratings.

### Do Whyzer or One Smart Puppy have ads?

Neither Whyzer nor One Smart Puppy shows ads.

### Which is updated more often, Whyzer or One Smart Puppy?

Whyzer ships an update every 5 days, and One Smart Puppy every 9 days. Most recently, Whyzer was updated on October 19, 2026 and One Smart Puppy on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*