# WWF Explore! vs Encyclopedia

The clearest difference is rating: Encyclopedia at 4.7 against WWF Explore!'s 4.1. Encyclopedia also leads on device support (3 vs 1). WWF Explore!'s advantage is iOS requirement (6.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. WWF Explore! sells 3 one-off in-app purchases and Encyclopedia sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Encyclopedia holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 22 and 40 respectively.

WWF Explore! ships an update every 6 weeks, Encyclopedia every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | WWF Explore! | Encyclopedia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (22 ratings)](https://appshunter.io/ios/app/wwf-explore/id978107217/reviews) | **[4.7 (40 ratings)](https://appshunter.io/ios/app/encyclopedia-science-for-kids/id6541758272/reviews)** |
| Number of ratings | 22 | **40** |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 554 MB | 151 MB |
| Requires iOS | **6.0** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [World Wildlife Fund](https://appshunter.io/developer/581920334) | [Valery Yegorov](https://appshunter.io/developer/813078088) |

## 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 |


### Encyclopedia

[App page](https://appshunter.io/ios/app/encyclopedia-science-for-kids/id6541758272)

This app offers a collection of interesting facts and articles for curious children aged 3 and up. It aims to improve erudition, intellect, knowledge, creativity, and memory through engaging content and interactive quizzes. New articles are added regularly to keep learning fresh and exciting.

**Highlights:** Engaging articles on diverse topics, High-quality images, Knowledge-testing quizzes, Daily 'Fact of the Day', Reward badges for article completion, Safe and ad-free environment

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Full Access | $5.99 | one-time |
| Lifetime Full Access Sale | $9.99 | one-time |


## Frequently asked questions

### Is WWF Explore! free?

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

### Is Encyclopedia free?

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

### Which has better reviews, WWF Explore! or Encyclopedia?

Encyclopedia is rated higher. WWF Explore! averages 4.1 out of 5 from 22 ratings, while Encyclopedia averages 4.7 from 40 ratings.

### Do WWF Explore! or Encyclopedia have ads?

Neither WWF Explore! nor Encyclopedia shows ads.

### Which is updated more often, WWF Explore! or Encyclopedia?

WWF Explore! ships an update every 6 weeks, and Encyclopedia every 3 weeks. Most recently, WWF Explore! was updated on October 24, 2026 and Encyclopedia on October 24, 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.*