# Penguin Protection vs Interactive Photosynthesis

The clearest difference is price: Penguin Protection at Free against Interactive Photosynthesis's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Penguin Protection is free to download; Interactive Photosynthesis costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Penguin Protection ships an update every 34 months, Interactive Photosynthesis every 25 months. The most recent releases landed on August 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Penguin Protection | Interactive Photosynthesis |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/penguin-protection/id1471647682/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 25 months** |
| Monetization | Free | — |
| Size | 63 MB | 183 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [Smithsonian Institution](https://appshunter.io/developer/370564865) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## What reviewers say

### Penguin Protection

[App page](https://appshunter.io/ios/app/penguin-protection/id1471647682)

Experience life as a rockhopper penguin and nurture your chicks in this educational simulation. It's designed to align with first-grade life science modules focused on safety and growth.

**Highlights:** Raise penguin chicks, Simulate rockhopper penguin life, Educational content, Aligned with science curriculum, Interactive learning

**Features:** macOS Compatibility

**In-app purchases:** none


### Interactive Photosynthesis

[App page](https://appshunter.io/ios/app/interactive-photosynthesis/id1511209024)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Penguin Protection free?

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

### Is Interactive Photosynthesis free?

Interactive Photosynthesis costs $1.99, with no in-app purchases.

### Do Penguin Protection or Interactive Photosynthesis have ads?

Neither Penguin Protection nor Interactive Photosynthesis shows ads.

### Which is updated more often, Penguin Protection or Interactive Photosynthesis?

Penguin Protection ships an update every 34 months, and Interactive Photosynthesis every 25 months. Most recently, Penguin Protection was updated on August 14, 2026 and Interactive Photosynthesis on September 10, 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.*