# Dolphin Memory Game vs 3D SLIDE PUZZLE

The clearest difference is in-app purchases: 3D SLIDE PUZZLE at none against Dolphin Memory Game's 4. 3D SLIDE PUZZLE also leads on iOS requirement (12.0 vs 16.4). Dolphin Memory Game's advantage is update cadence (every 3 days vs weekly). On price, ads and device support there is nothing between them.

Both are free to download. Dolphin Memory Game sells 4 one-off in-app purchases. 3D SLIDE PUZZLE asks for nothing beyond the download.

Dolphin Memory Game ships an update every 3 days, 3D SLIDE PUZZLE weekly. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Dolphin Memory Game | 3D SLIDE PUZZLE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Size | 15 MB | 293 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Perez Parreno](https://appshunter.io/developer/1725474072) | [Koki Enomoto](https://appshunter.io/developer/1827270831) |

## What reviewers say

### Dolphin Memory Game

[App page](https://appshunter.io/ios/app/dolphin-memory-game/id6475963704)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Remove advertisements | $2.99 | one-time |
| Lunch | $5.99 | one-time |
| Dinner | $14.99 | one-time |


### 3D SLIDE PUZZLE

[App page](https://appshunter.io/ios/app/3d-slide-puzzle/id6748755429)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dolphin Memory Game free?

Dolphin Memory Game is free to download, with in-app purchases available.

### Is 3D SLIDE PUZZLE free?

3D SLIDE PUZZLE is free to download, with no in-app purchases.

### Do Dolphin Memory Game or 3D SLIDE PUZZLE have ads?

Both Dolphin Memory Game and 3D SLIDE PUZZLE show ads.

### Which is updated more often, Dolphin Memory Game or 3D SLIDE PUZZLE?

Dolphin Memory Game ships an update every 3 days, and 3D SLIDE PUZZLE weekly. Most recently, Dolphin Memory Game was updated on November 8, 2026 and 3D SLIDE PUZZLE on October 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.*