# SANTAKU vs Poly Full

The clearest difference is update cadence: Poly Full at every 5 days against SANTAKU's every 3 months. Poly Full also leads on iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SANTAKU ships an update every 3 months, Poly Full every 5 days. The most recent releases landed on October 12, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SANTAKU | Poly Full |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 112 MB | 169 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FUKUROU](https://appshunter.io/developer/1603805098) | [KOHEI OKADA](https://appshunter.io/developer/1664622844) |

## What reviewers say

### SANTAKU

[App page](https://appshunter.io/ios/app/santaku/id1532366079)

Engage your brain with a simple 3-choice puzzle game. This app diagnoses your brain's condition through two types of puzzles. Just find and tap the correct puzzle to play and stimulate your mind.

**Highlights:** 3-choice puzzle gameplay, Brain condition diagnosis, Simple tap controls, Brain activation through play, Quick mental exercise

**Features:** macOS Compatibility

**In-app purchases:** none


### Poly Full

[App page](https://appshunter.io/ios/app/poly-full-spot-the-difference/id6742448835)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SANTAKU free?

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

### Is Poly Full free?

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

### Do SANTAKU or Poly Full have ads?

Both SANTAKU and Poly Full show ads.

### Which is updated more often, SANTAKU or Poly Full?

SANTAKU ships an update every 3 months, and Poly Full every 5 days. Most recently, SANTAKU was updated on October 12, 2026 and Poly Full on October 18, 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.*