# WWF Explore! vs Horton Hears a Who!

The clearest difference is review sentiment: Horton Hears a Who! at 88% against WWF Explore!'s 27%. Horton Hears a Who! also leads on in-app purchases (none vs 3) and rating (4.5 vs 4.1). WWF Explore!'s advantage is price (Free vs $3.99) and update cadence (every 6 weeks vs every 8 months). On ads there is nothing between them.

WWF Explore! is free to download; Horton Hears a Who! costs $3.99 up front. WWF Explore! sells 3 one-off in-app purchases. Horton Hears a Who! asks for nothing beyond the download.

Horton Hears a Who! holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: Horton Hears a Who! has 1.1K ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 27% of WWF Explore!'s written reviews are positive against 88% of Horton Hears a Who!'s.

WWF Explore! ships an update every 6 weeks, Horton Hears a Who! every 8 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | WWF Explore! | Horton Hears a Who! |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [4.1 (22 ratings)](https://appshunter.io/ios/app/wwf-explore/id978107217/reviews) | **[4.5 (1.1K ratings)](https://appshunter.io/ios/app/horton-hears-a-who/id1092651841/reviews)** |
| Number of ratings | 22 | **1.1K** |
| Positive reviews | 26.7% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 8 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#175** |
| Size | 554 MB | 94 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [World Wildlife Fund](https://appshunter.io/developer/581920334) | [Oceanhouse Media](https://appshunter.io/developer/309501176) |

## What reviewers say

### WWF Explore!

[App page](https://appshunter.io/ios/app/wwf-explore/id978107217)

Embark on interactive expeditions to ecologically diverse regions, learning about endangered species and their habitats through engaging stories and animations. Discover unique animals with detailed journal entries and collect memories in a keepsake photo gallery.

**Highlights:** Interactive expeditions, Endangered animal profiles, Detailed species information, Keepsake photo gallery, Educational stories and animations

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arctic Expedition | $0.99 | one-time |
| Himalayas Expedition | $0.99 | one-time |
| Africa Expedition | $0.99 | one-time |


### Horton Hears a Who!

[App page](https://appshunter.io/ios/app/horton-hears-a-who/id1092651841)

**Currently charting:** #175 Top Paid · Book (US App Store)

Experience a beloved Dr. Seuss classic with interactive animations and engaging activities. This app brings the story of Horton to life, teaching valuable lessons about kindness and perseverance through playful exploration and mini-games.

**Highlights:** Interactive animations, Tap and drag surprises, Hidden stars and activities, Multiple reading modes, Vocabulary exploration, Parental tracking, Mini-games

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WWF Explore! free?

WWF Explore! is free to download, with in-app purchases available.

### Is Horton Hears a Who! free?

Horton Hears a Who! costs $3.99, with no in-app purchases.

### Which has better reviews, WWF Explore! or Horton Hears a Who!?

Horton Hears a Who! is rated higher. WWF Explore! averages 4.1 out of 5 from 22 ratings, while Horton Hears a Who! averages 4.5 from 1.1K ratings.

### Do WWF Explore! or Horton Hears a Who! have ads?

Neither WWF Explore! nor Horton Hears a Who! shows ads.

### Which is updated more often, WWF Explore! or Horton Hears a Who!?

WWF Explore! ships an update every 6 weeks, and Horton Hears a Who! every 8 months. Most recently, WWF Explore! was updated on October 24, 2026 and Horton Hears a Who! on October 29, 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.*