# Penguin Protection vs Jellow Scheduler

The clearest difference is in-app purchases: Penguin Protection at none against Jellow Scheduler's 1. Penguin Protection also leads on iOS requirement (12.0 vs 17). Jellow Scheduler's advantage is update cadence (monthly vs every 34 months). On price, ads and device support there is nothing between them.

Both are free to download. Jellow Scheduler sells 1 one-off in-app purchase. Penguin Protection asks for nothing beyond the download.

Penguin Protection ships an update every 34 months, Jellow Scheduler monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Penguin Protection | Jellow Scheduler |
| --- | --- | --- |
| Price | Free | Free |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 34 months | **Monthly** |
| Monetization | Free | — |
| Size | 63 MB | 23 MB |
| Requires iOS | **12.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Smithsonian Institution](https://appshunter.io/developer/370564865) | [Ravi Poovaiah](https://appshunter.io/developer/1422351461) |

## 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


### Jellow Scheduler

[App page](https://appshunter.io/ios/app/jellow-scheduler/id6748593222)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jellow Scheduler | $4.99 | one-time |


## Frequently asked questions

### Is Penguin Protection free?

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

### Is Jellow Scheduler free?

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

### Do Penguin Protection or Jellow Scheduler have ads?

Neither Penguin Protection nor Jellow Scheduler shows ads.

### Which is updated more often, Penguin Protection or Jellow Scheduler?

Penguin Protection ships an update every 34 months, and Jellow Scheduler monthly. Most recently, Penguin Protection was updated on October 24, 2026 and Jellow Scheduler on October 25, 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.*