# The Pack vs Feynman rules

The clearest difference is device support: The Pack at 4 against Feynman rules's 2. The Pack also leads on iOS requirement (12.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | The Pack | Feynman rules |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (77 ratings)](https://appshunter.io/ios/app/the-pack-nysci/id1458895087/reviews)** | — |
| Number of ratings | **77** | — |
| Positive reviews | 65.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Free | — |
| Size | 316 MB | 6 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [New York Hall of Science](https://appshunter.io/developer/947124789) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### The Pack

[App page](https://appshunter.io/ios/app/the-pack-nysci/id1458895087)

Embark on an open-world puzzle and survival adventure to restore a barren future world. Gather a "Pack" of creatures with unique skills to solve environmental challenges, replenish water sources, and find seeds. Master algorithmic sequences to bring balance back to the land.

**Highlights:** Open-world exploration, Puzzle-solving challenges, Survival mechanics, Creature collection and management, Algorithmic sequencing, Ecological restoration theme

**In-app purchases:** none


### Feynman rules

[App page](https://appshunter.io/ios/app/feynman-rules/id6478752222)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Pack free?

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

### Is Feynman rules free?

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

### Do The Pack or Feynman rules have ads?

Neither The Pack nor Feynman rules shows ads.

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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.*