# Hungry Hippo Attack Simulator vs Grain Gallery AR

The clearest difference is in-app purchases: Grain Gallery AR at none against Hungry Hippo Attack Simulator's 6. Grain Gallery AR also leads on review sentiment (100% vs 86%) and update cadence (every 6 months vs every 13 months). Hungry Hippo Attack Simulator's advantage is rating (4.4 vs 4.0) and ratings volume (107 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Hungry Hippo Attack Simulator sells 6 one-off in-app purchases. Grain Gallery AR asks for nothing beyond the download.

Hungry Hippo Attack Simulator holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Hungry Hippo Attack Simulator has 107 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 86% of Hungry Hippo Attack Simulator's written reviews are positive against 100% of Grain Gallery AR's, so the app with the better star average is not the one people write more warmly about.

Hungry Hippo Attack Simulator ships an update every 13 months, Grain Gallery AR every 6 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hungry Hippo Attack Simulator | Grain Gallery AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (107 ratings)](https://appshunter.io/ios/app/hungry-hippo-attack-simulator/id1058452720/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/grain-gallery-ar/id1471438903/reviews) |
| Number of ratings | **107** | 2 |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 6 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 87 MB | 438 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [PLASMA IT SOLUTIONS](https://appshunter.io/developer/1044059071) | [Red Iron Labs Ltd.](https://appshunter.io/developer/1485201693) |

## What reviewers say

### Hungry Hippo Attack Simulator

[App page](https://appshunter.io/ios/app/hungry-hippo-attack-simulator/id1058452720)

Experience the thrill of being a powerful hippopotamus in this simulation game. Hunt humans on the beach, evolve, and survive in a wild African environment. Features 3 action-packed stages with stunning 3D graphics.

**Highlights:** Simulate a huge real hippo, 3 action-packed stages, 10 stages per stage, Amazing 3D graphics, Rampage and adventure gameplay

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 1000 Coins | $0.99 | one-time |
| Get 2000 Coins | $1.99 | one-time |
| Unlock All Hippos | $2.99 | one-time |
| Unlock all levels | $2.99 | one-time |
| Remove all ads | $2.99 | one-time |
| Unlock full game | $5.99 | one-time |


### Grain Gallery AR

[App page](https://appshunter.io/ios/app/grain-gallery-ar/id1471438903)

Embark on an augmented reality adventure to discover the journey of wheat and barley from farm to plate. Drive a tractor, grind grain into flour, and make a pizza. Learn how these crops help animals grow strong.

**Highlights:** Augmented reality farm journey, Tractor driving simulation, Grain grinding and pizza making, Learn about crop growth, Explore cow digestion, Educational content for youth

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hungry Hippo Attack Simulator free?

Hungry Hippo Attack Simulator is free to download, with in-app purchases available.

### Is Grain Gallery AR free?

Grain Gallery AR is free to download, with no in-app purchases.

### Which has better reviews, Hungry Hippo Attack Simulator or Grain Gallery AR?

Hungry Hippo Attack Simulator is rated higher. Hungry Hippo Attack Simulator averages 4.4 out of 5 from 107 ratings, while Grain Gallery AR averages 4.0 from 2 ratings.

### Do Hungry Hippo Attack Simulator or Grain Gallery AR have ads?

Neither Hungry Hippo Attack Simulator nor Grain Gallery AR shows ads.

### Which is updated more often, Hungry Hippo Attack Simulator or Grain Gallery AR?

Hungry Hippo Attack Simulator ships an update every 13 months, and Grain Gallery AR every 6 months. Most recently, Hungry Hippo Attack Simulator was updated on October 29, 2026 and Grain Gallery AR on October 24, 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.*