# Poly Rules! vs VOLT

The clearest difference is in-app purchases: Poly Rules! at none against VOLT's 1. Poly Rules! also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. VOLT sells 1 one-off in-app purchase. Poly Rules! asks for nothing beyond the download.

Poly Rules! ships an update monthly, VOLT every 5 weeks. The most recent releases landed on September 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Poly Rules! | VOLT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (13 ratings)](https://appshunter.io/ios/app/poly-rules/id1115877374/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 111 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Northeastern University Information Services](https://appshunter.io/developer/455790172) | [torankirite](https://appshunter.io/developer/1883564850) |

## 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


### VOLT

[App page](https://appshunter.io/ios/app/volt-logic-circuit-puzzle/id6791114276)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is Poly Rules! free?

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

### Is VOLT free?

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

### Do Poly Rules! or VOLT have ads?

Neither Poly Rules! nor VOLT shows ads.

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

Poly Rules! ships an update monthly, and VOLT every 5 weeks. Most recently, Poly Rules! was updated on September 24, 2026 and VOLT on October 8, 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.*