# Algae Bloom Dynamics vs In 90 Days

The clearest difference is ratings volume: Algae Bloom Dynamics at 4 against In 90 Days's 1. Algae Bloom Dynamics also leads on iOS requirement (11.0 vs 13.0). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Algae Bloom Dynamics against 5.0 for In 90 Days. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

## The numbers

| Metric | Algae Bloom Dynamics | In 90 Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/algae-bloom-dynamics/id1542734865/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/in-90-days/id1598523086/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 38 months |
| Monetization | Free | Free |
| Size | 470 MB | 54 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kathleen Ruiz](https://appshunter.io/developer/1542734867) | [Humanitarian Leadership Academy](https://appshunter.io/developer/1485706839) |

## What reviewers say

### 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


### In 90 Days

[App page](https://appshunter.io/ios/app/in-90-days/id1598523086)

This game challenges players to make critical decisions as a Field Manager in humanitarian crises. Balance resources and timing to alleviate suffering sustainably, earning digital badges for learning outcomes. Designed with experts for authentic and inclusive gameplay.

**Highlights:** Crisis management simulation, Resource balancing, Decision-making under pressure, Digital badge system, Multiple language support, Authentic humanitarian scenarios

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Algae Bloom Dynamics free?

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

### Is In 90 Days free?

In 90 Days is free to download, with no in-app purchases.

### Which has better reviews, Algae Bloom Dynamics or In 90 Days?

Algae Bloom Dynamics and In 90 Days are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*