# HMH Go vs Car Curious

The clearest difference is update cadence: Car Curious at every 6 days against HMH Go's every 4 months. HMH Go's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

HMH Go ships an update every 4 months, Car Curious every 6 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HMH Go | Car Curious |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (80 ratings)](https://appshunter.io/ios/app/hmh-go/id1527990628/reviews)** | — |
| Number of ratings | **80** | — |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 21 MB | 18 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Houghton Mifflin Harcourt](https://appshunter.io/developer/409368007) | [Ryan Williams](https://appshunter.io/developer/6775357315) |

## What reviewers say

### 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


### Car Curious

[App page](https://appshunter.io/ios/app/car-curious/id6785778025)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HMH Go free?

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

### Is Car Curious free?

Car Curious is free to download, with no in-app purchases.

### Do HMH Go or Car Curious have ads?

Neither HMH Go nor Car Curious shows ads.

### Which is updated more often, HMH Go or Car Curious?

HMH Go ships an update every 4 months, and Car Curious every 6 days. Most recently, HMH Go was updated on October 24, 2026 and Car Curious on October 31, 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.*