# WWF Explore! vs Sci

The clearest difference is in-app purchases: Sci at none against WWF Explore!'s 3. Sci also leads on update cadence (weekly vs every 6 weeks). WWF Explore!'s advantage is iOS requirement (6.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. WWF Explore! sells 3 one-off in-app purchases. Sci asks for nothing beyond the download.

WWF Explore! ships an update every 6 weeks, Sci weekly. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | WWF Explore! | Sci |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (22 ratings)](https://appshunter.io/ios/app/wwf-explore/id978107217/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 554 MB | 39 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [World Wildlife Fund](https://appshunter.io/developer/581920334) | [ROMAN SAFRONOV](https://appshunter.io/developer/573018413) |

## 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 |


### Sci

[App page](https://appshunter.io/ios/app/sci-fi-interactive-stories/id6495236344)

**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 Sci free?

Sci is free to download, with no in-app purchases.

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

Neither WWF Explore! nor Sci shows ads.

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

WWF Explore! ships an update every 6 weeks, and Sci weekly. Most recently, WWF Explore! was updated on October 14, 2026 and Sci on October 3, 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.*