# Poly Rules! vs Sixth Sense Training

The clearest difference is update cadence: Sixth Sense Training at every 2 days against Poly Rules!'s monthly. Sixth Sense Training also leads on review sentiment (100% vs 80%) and rating (5.0 vs 4.8). Poly Rules!'s advantage is ratings volume (13 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Sixth Sense Training holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Poly Rules! has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 80% of Poly Rules!'s written reviews are positive against 100% of Sixth Sense Training's.

Poly Rules! ships an update monthly, Sixth Sense Training every 2 days. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Poly Rules! | Sixth Sense Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (13 ratings)](https://appshunter.io/ios/app/poly-rules/id1115877374/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sixth-sense-training/id1519383225/reviews)** |
| Number of ratings | **13** | 2 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free | Free |
| Size | 111 MB | 1 MB |
| Requires iOS | **12.0** | 13.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Northeastern University Information Services](https://appshunter.io/developer/455790172) | [Dae Hyun Kim](https://appshunter.io/developer/1519383227) |

## 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


### Sixth Sense Training

[App page](https://appshunter.io/ios/app/sixth-sense-training/id1519383225)

Test and enhance your intuition through a variety of mini-games focused on perception and estimation. Enjoy infinite replayability with all current and future sub-games included in a single purchase.

**Highlights:** Test and improve intuition, Eight unique sub-games, Infinite gameplay beyond level 1,000, One-time purchase for all content, Angle, Area, Calculation, Color, Count, Dialtone, Length, Time games

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Poly Rules! free?

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

### Is Sixth Sense Training free?

Sixth Sense Training is free to download, with no in-app purchases.

### Which has better reviews, Poly Rules! or Sixth Sense Training?

Sixth Sense Training is rated higher. Poly Rules! averages 4.8 out of 5 from 13 ratings, while Sixth Sense Training averages 5.0 from 2 ratings.

### Do Poly Rules! or Sixth Sense Training have ads?

Neither Poly Rules! nor Sixth Sense Training shows ads.

### Which is updated more often, Poly Rules! or Sixth Sense Training?

Poly Rules! ships an update monthly, and Sixth Sense Training every 2 days. Most recently, Poly Rules! was updated on October 11, 2026 and Sixth Sense Training on October 2, 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.*