# Poly Rules! vs Adventure Vault

The clearest difference is in-app purchases: Poly Rules! at none against Adventure Vault's 10. Poly Rules! also leads on iOS requirement (12.0 vs 17.0). Adventure Vault's advantage is update cadence (every 4 days vs monthly) and review sentiment (100% vs 80%). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Adventure Vault sells 10 one-off in-app purchases. Poly Rules! asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Poly Rules! against 4.8 for Adventure Vault. Both are backed by a comparable volume of ratings — 13 and 26 respectively. Written reviews are what separate them: 80% of Poly Rules!'s written reviews are positive against 100% of Adventure Vault's.

Poly Rules! ships an update monthly, Adventure Vault every 4 days. The most recent releases landed on September 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Poly Rules! | Adventure Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (13 ratings)](https://appshunter.io/ios/app/poly-rules/id1115877374/reviews) | [4.8 (26 ratings)](https://appshunter.io/ios/app/adventure-vault/id6783928683/reviews) |
| Number of ratings | 13 | **26** |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 111 MB | 75 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Northeastern University Information Services](https://appshunter.io/developer/455790172) | [Gary Cox](https://appshunter.io/developer/1083086974) |

## What reviewers say

### Poly Rules!

[App page](https://appshunter.io/ios/app/poly-rules/id1115877374)

A challenging sorting game where the rules dynamically change as you progress. It offers increasingly complex scenarios to test your cognitive abilities. Researchers can inquire about using the game for studies.

**Highlights:** Dynamic rule changes, Increasingly complex scenarios, Cognitive benefit focus, Research support available, Log storage and analytics (coming soon)

**Features:** macOS Compatibility

**In-app purchases:** none


### Adventure Vault

[App page](https://appshunter.io/ios/app/adventure-vault/id6783928683)

Embark on immersive journeys where your decisions shape the narrative. Explore diverse genres with beautiful illustrations and uncover multiple endings. Track your progress and revisit stories to discover new paths.

**Highlights:** Massive collection of unique interactive stories, Meaningful choices with multiple endings, Beautiful hand-painted illustrations, Hidden paths and collectible discoveries, Progress tracking for choices and completion, Regularly released new story packs

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Culvert Visitor | $0.99 | one-time |
| The Sunken Treasure | $0.99 | one-time |
| The Death Hike | $0.99 | one-time |
| The Vanishing Witness | $0.99 | one-time |
| The Last Deposit | $0.99 | one-time |
| The Wandering City | $0.99 | one-time |
| The Empty Neighborhood | $0.99 | one-time |
| The Forgotten One | $0.99 | one-time |
| The Other Side of Mile Marker 47 | $0.99 | one-time |
| Unlimited Library | $19.99 | one-time |


## Frequently asked questions

### Is Poly Rules! free?

Poly Rules! is free to download, with no in-app purchases.

### Is Adventure Vault free?

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

### Which has better reviews, Poly Rules! or Adventure Vault?

Poly Rules! and Adventure Vault are both rated 4.8 out of 5 on the App Store, from 13 and 26 ratings respectively.

### Do Poly Rules! or Adventure Vault have ads?

Neither Poly Rules! nor Adventure Vault shows ads.

### Which is updated more often, Poly Rules! or Adventure Vault?

Poly Rules! ships an update monthly, and Adventure Vault every 4 days. Most recently, Poly Rules! was updated on September 24, 2026 and Adventure Vault on October 13, 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.*