# Populations and Resources Sim vs HMH Go

The clearest difference is rating: Populations and Resources Sim at 2.4 against HMH Go's 2.1. Populations and Resources Sim also leads on review sentiment (39% vs 22%). HMH Go's advantage is device support (4 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

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

Populations and Resources Sim holds the better App Store score, 2.4 against 2.1. Both are backed by a comparable volume of ratings — 50 and 80 respectively. Written reviews point the same way: 39% of Populations and Resources Sim's written reviews are positive against 22% of HMH Go's.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Populations and Resources Sim | HMH Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (50 ratings)](https://appshunter.io/ios/app/populations-and-resources-sim/id910264144/reviews)** | [2.1 (80 ratings)](https://appshunter.io/ios/app/hmh-go/id1527990628/reviews) |
| Number of ratings | 50 | **80** |
| Positive reviews | **38.9% of reviews** | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | Free |
| Size | 102 MB | 21 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Amplify Education, Inc.](https://appshunter.io/developer/433704168) | [Houghton Mifflin Harcourt](https://appshunter.io/developer/409368007) |

## What reviewers say

### Populations and Resources Sim

[App page](https://appshunter.io/ios/app/populations-and-resources-sim/id910264144)

This app simulates ecosystems and is designed for use with a specific science curriculum. It requires an Amplify login and license provided by a school to function.

**Highlights:** Ecosystem simulation, Science curriculum integration, Requires school login, iPad compatible

**In-app purchases:** none


### HMH Go

[App page](https://appshunter.io/ios/app/hmh-go/id1527990628)

This app provides K-12 students with on-the-go access to educational content from HMH's core curricula. It allows for offline learning, downloading materials, and utilizing media-rich features like read-along audio and annotations.

**Highlights:** Offline content access, Downloadable learning materials, Read-along audio, Annotations and highlighting, Bookmark functionality, Content management and filtering

**In-app purchases:** none


## Frequently asked questions

### Is Populations and Resources Sim free?

Populations and Resources Sim is free to download, with no in-app purchases.

### Is HMH Go free?

HMH Go is free to download, with no in-app purchases.

### Which has better reviews, Populations and Resources Sim or HMH Go?

Populations and Resources Sim is rated higher. Populations and Resources Sim averages 2.4 out of 5 from 50 ratings, while HMH Go averages 2.1 from 80 ratings.

### Do Populations and Resources Sim or HMH Go have ads?

Neither Populations and Resources Sim nor HMH Go shows ads.

### Which is updated more often, Populations and Resources Sim or HMH Go?

Populations and Resources Sim ships an update every 4 months, and HMH Go every 4 months. Most recently, Populations and Resources Sim was updated on November 1, 2026 and HMH Go on November 3, 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.*