# Dropping Penguin vs Slice and Stack

The clearest difference is in-app purchases: Slice and Stack at none against Dropping Penguin's 5. Slice and Stack also leads on update cadence (daily vs every 5 months). Dropping Penguin's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Dropping Penguin sells 5 one-off in-app purchases. Slice and Stack asks for nothing beyond the download.

Dropping Penguin ships an update every 5 months, Slice and Stack daily. The most recent releases landed on September 16, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Dropping Penguin | Slice and Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Daily** |
| Size | 83 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wong Kai Sing](https://appshunter.io/developer/1682862705) | [Prateek Sharma](https://appshunter.io/developer/1879243453) |

## What reviewers say

### Dropping Penguin

[App page](https://appshunter.io/ios/app/dropping-penguin/id6760830288)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gem x20 | $0.99 | one-time |
| Gem x50 | $1.99 | one-time |
| Gem x140 | $4.99 | one-time |
| Gem x320 | $9.99 | one-time |
| Gem x720 | $19.99 | one-time |


### Slice and Stack

[App page](https://appshunter.io/ios/app/slice-and-stack/id6761331048)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Dropping Penguin free?

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

### Is Slice and Stack free?

Slice and Stack is free to download, with no in-app purchases.

### Do Dropping Penguin or Slice and Stack have ads?

Both Dropping Penguin and Slice and Stack show ads.

### Which is updated more often, Dropping Penguin or Slice and Stack?

Dropping Penguin ships an update every 5 months, and Slice and Stack daily. Most recently, Dropping Penguin was updated on September 16, 2026 and Slice and Stack on September 23, 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.*