# Drop and Explode vs Bison Attack!

The clearest difference is in-app purchases: Bison Attack! at none against Drop and Explode's 1. Bison Attack! also leads on update cadence (weekly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Drop and Explode sells 1 one-off in-app purchase. Bison Attack! asks for nothing beyond the download.

Drop and Explode ships an update every 6 months, Bison Attack! weekly. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Drop and Explode | Bison Attack! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (2K ratings)](https://appshunter.io/ios/app/drop-and-explode-soda-geyser/id1629897016/reviews)** | — |
| Number of ratings | **2K** | — |
| Positive reviews | 48.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 227 MB | 13 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [AI Games FZ](https://appshunter.io/developer/1478916023) | [Kien Pham](https://appshunter.io/developer/1895602453) |

## What reviewers say

### Drop and Explode

[App page](https://appshunter.io/ios/app/drop-and-explode-soda-geyser/id1629897016)

Engage in explosive soda experiments by dropping mint candies into a bottle of coke. Collect candies and use multipliers to create the tallest geyser possible in this fun physics-based game.

**Highlights:** Soda geyser experiments, Mint candy collection, Multiplier power-ups, Hundreds of levels, Simple controls, Explosive gameplay

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |

**What reviewers like**

- ⭐ Awesome
- ⭐ Fun
- ⭐ Best game ever
- ⭐ Satisfaction of the game
- ⭐ Good game

**What reviewers complain about**

- 🐛 Glitches
- 🔍 Leaderboard issues
- 🛑 Too many ads
- 🚫 Couldn't load/play the game
- 🤔 Wrong math calculations

**Reported bugs**

- Leaderboard glitch
- Loading/crashing issues
- Upgrade issues

**Requested features**

- More levels
- Level ideas (Mars, Pluto)


### Bison Attack!

[App page](https://appshunter.io/ios/app/bison-attack/id6794616219)

**In-app purchases:** none


## Frequently asked questions

### Is Drop and Explode free?

Drop and Explode is free to download, with in-app purchases available.

### Is Bison Attack! free?

Bison Attack! is free to download, with no in-app purchases.

### Do Drop and Explode or Bison Attack! have ads?

Both Drop and Explode and Bison Attack! show ads.

### Which is updated more often, Drop and Explode or Bison Attack!?

Drop and Explode ships an update every 6 months, and Bison Attack! weekly. Most recently, Drop and Explode was updated on October 11, 2026 and Bison Attack! on October 1, 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.*