# Idle Marble Run vs Algae Bloom Dynamics

The clearest difference is in-app purchases: Algae Bloom Dynamics at none against Idle Marble Run's 7. Algae Bloom Dynamics also leads on review sentiment (100% vs 67%) and iOS requirement (11.0 vs 15.0). Idle Marble Run's advantage is ratings volume (20 vs 5). On price, rating and device support there is nothing between them.

Both are free to download. Idle Marble Run sells 7 one-off in-app purchases. Algae Bloom Dynamics asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Idle Marble Run against 4.6 for Algae Bloom Dynamics. Both are backed by a comparable volume of ratings — 20 and 5 respectively. Written reviews are what separate them: 67% of Idle Marble Run's written reviews are positive against 100% of Algae Bloom Dynamics's.

## The numbers

| Metric | Idle Marble Run | Algae Bloom Dynamics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (20 ratings)](https://appshunter.io/ios/app/idle-marble-run/id1454408397/reviews)** | [4.6 (5 ratings)](https://appshunter.io/ios/app/algae-bloom-dynamics/id1542734865/reviews) |
| Number of ratings | **20** | 5 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 10 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 162 MB | 470 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kilosaurus](https://appshunter.io/developer/1221326010) | [Kathleen Ruiz](https://appshunter.io/developer/1542734867) |

## What reviewers say

### Idle Marble Run

[App page](https://appshunter.io/ios/app/idle-marble-run/id1454408397)

Experience a relaxing toy marble machine with idle mechanics. Watch marbles merge, hit bumpers, and inject special types like fireballs and snowballs into an infinite run.

**Highlights:** Infinite marble machine, Idle mechanics, Marble merging, Bumper interactions, Special marble types (Fireballs, Snowballs, Plasma)

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack 30 Diamonds | $0.99 | one-time |
| Pack 66 Diamonds | $1.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Pack 180 Diamonds | $3.99 | one-time |
| Pack 400 Diamonds | $8.99 | one-time |
| Pack 1125 Diamonds | $22.99 | one-time |
| Pack 2250 Diamonds | $44.99 | one-time |


### Algae Bloom Dynamics

[App page](https://appshunter.io/ios/app/algae-bloom-dynamics/id1542734865)

Experience algae blooms in augmented reality, learning about their causes and solutions in lakes and waterways. Explore animated 3D models of aquatic life and understand environmental threats from human activities and invasive species.

**Highlights:** Augmented reality environmental simulation, Learn about algae bloom causes, Explore aquatic life 3D models, Understand environmental threats, Global waterway focus, Educational game

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Idle Marble Run free?

Idle Marble Run is free to download, with in-app purchases available.

### Is Algae Bloom Dynamics free?

Algae Bloom Dynamics is free to download, with no in-app purchases.

### Which has better reviews, Idle Marble Run or Algae Bloom Dynamics?

Idle Marble Run is rated higher. Idle Marble Run averages 4.7 out of 5 from 20 ratings, while Algae Bloom Dynamics averages 4.6 from 5 ratings.

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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.*