# HMH Science Dimensions vs Smartble T

The clearest difference is rating: Smartble T at 2.9 against HMH Science Dimensions's 2.3. Smartble T also leads on update cadence (every 5 days vs every 2 months) and review sentiment (41% vs 25%). HMH Science Dimensions's advantage is iOS requirement (9.0 vs 15.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Smartble T holds the better App Store score, 2.9 against 2.3. Both are backed by a comparable volume of ratings — 17 and 8 respectively. Written reviews point the same way: 25% of HMH Science Dimensions's written reviews are positive against 41% of Smartble T's.

HMH Science Dimensions ships an update every 2 months, Smartble T every 5 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HMH Science Dimensions | Smartble T |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (17 ratings)](https://appshunter.io/ios/app/hmh-science-dimensions/id1384935325/reviews) | **[2.9 (8 ratings)](https://appshunter.io/ios/app/smartble-t/id1565596183/reviews)** |
| Number of ratings | **17** | 8 |
| Positive reviews | 25.0% of reviews | **40.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 227 MB | 43 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Houghton Mifflin Harcourt](https://appshunter.io/developer/409368007) | [ABDULAZIZ ALZAHRANI](https://appshunter.io/developer/1565596185) |

## What reviewers say

### HMH Science Dimensions

[App page](https://appshunter.io/ios/app/hmh-science-dimensions/id1384935325)

This augmented reality app transforms book covers into interactive science experiments. Students can scan their textbooks to launch 3D models and explore concepts like weather, solar energy, and the solar system. It's designed to make learning engaging and fun for young students.

**Highlights:** Augmented reality science experiments, Scan book covers to activate content, Interactive 3D models, Explores various science topics, Engaging learning experience, Group or pair work friendly

**Features:** macOS Compatibility

**In-app purchases:** none


### Smartble T

[App page](https://appshunter.io/ios/app/smartble-t/id1565596183)

This app helps teachers manage their academic schedules, including waiting classes, supervision duties, and daily tasks. It streamlines communication by allowing direct access to necessary information without needing to contact school administration.

**Highlights:** Academic schedule notifications, Manage waiting classes, Track daily supervision duties, Organize daily tasks, Direct task information access

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HMH Science Dimensions free?

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

### Is Smartble T free?

Smartble T is free to download, with no in-app purchases.

### Which has better reviews, HMH Science Dimensions or Smartble T?

Smartble T is rated higher. HMH Science Dimensions averages 2.3 out of 5 from 17 ratings, while Smartble T averages 2.9 from 8 ratings.

### Do HMH Science Dimensions or Smartble T have ads?

Neither HMH Science Dimensions nor Smartble T shows ads.

### Which is updated more often, HMH Science Dimensions or Smartble T?

HMH Science Dimensions ships an update every 2 months, and Smartble T every 5 days. Most recently, HMH Science Dimensions was updated on October 21, 2026 and Smartble T 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.*