# Find Four (Find 4 differences) vs Poly Full

The clearest difference is in-app purchases: Poly Full at none against Find Four (Find 4 differences)'s 4. Poly Full also leads on update cadence (every 5 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Find Four (Find 4 differences) sells 4 one-off in-app purchases. Poly Full asks for nothing beyond the download.

Find Four (Find 4 differences) ships an update monthly, Poly Full every 5 days. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Find Four (Find 4 differences) | Poly Full |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 162 MB | 169 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jisu Jung](https://appshunter.io/developer/1731788096) | [KOHEI OKADA](https://appshunter.io/developer/1664622844) |

## What reviewers say

### Find Four (Find 4 differences)

[App page](https://appshunter.io/ios/app/find-four-find-4-differences/id6478101361)

This puzzle game challenges players to find subtle differences between two images. It sharpens observation skills and concentration with a variety of beautiful artwork and themes. Enjoy offline play and daily bonuses, suitable for all ages.

**Highlights:** Spot subtle image differences, High-quality artwork and themes, Offline play, Daily bonuses, Hint system, Adaptive difficulty

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +20 Sec more play time! | $3.99 | one-time |
| Unlimited Shuffle! | $3.99 | one-time |
| +10 more hearts! | $3.99 | one-time |
| Enable all features! | $7.99 | one-time |


### 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 Find Four (Find 4 differences) free?

Find Four (Find 4 differences) is free to download, with in-app purchases available.

### Is Poly Full free?

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

### Do Find Four (Find 4 differences) or Poly Full have ads?

Both Find Four (Find 4 differences) and Poly Full show ads.

### Which is updated more often, Find Four (Find 4 differences) or Poly Full?

Find Four (Find 4 differences) ships an update monthly, and Poly Full every 5 days. Most recently, Find Four (Find 4 differences) was updated on October 4, 2026 and Poly Full on September 30, 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.*