# Metabolism Sim vs HMH Go

The clearest difference is rating: Metabolism Sim at 3.2 against HMH Go's 2.1. Metabolism Sim also leads on review sentiment (57% vs 22%) and iOS requirement (10.0 vs 12.0). 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.

Metabolism Sim holds the better App Store score, 3.2 against 2.1. Both are backed by a comparable volume of ratings — 71 and 80 respectively. Written reviews point the same way: 57% of Metabolism Sim's written reviews are positive against 22% of HMH Go's.

Metabolism Sim ships an update every 3 months, HMH Go every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Metabolism Sim | HMH Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (71 ratings)](https://appshunter.io/ios/app/metabolism-sim/id992862964/reviews)** | [2.1 (80 ratings)](https://appshunter.io/ios/app/hmh-go/id1527990628/reviews) |
| Number of ratings | 71 | **80** |
| Positive reviews | **57.1% of reviews** | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 132 MB | 21 MB |
| Requires iOS | **10.0** | 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

### Metabolism Sim

[App page](https://appshunter.io/ios/app/metabolism-sim/id992862964)

This application simulates human metabolism, designed to complement a science curriculum. It requires a valid Amplify login and license provided by a school to function.

**Highlights:** Metabolism simulation, Science curriculum integration, Requires Amplify login, School-provided license needed

**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 Metabolism Sim free?

Metabolism 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, Metabolism Sim or HMH Go?

Metabolism Sim is rated higher. Metabolism Sim averages 3.2 out of 5 from 71 ratings, while HMH Go averages 2.1 from 80 ratings.

### Do Metabolism Sim or HMH Go have ads?

Neither Metabolism Sim nor HMH Go shows ads.

### Which is updated more often, Metabolism Sim or HMH Go?

Metabolism Sim ships an update every 3 months, and HMH Go every 4 months. Most recently, Metabolism Sim was updated on October 24, 2026 and HMH Go 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.*