# HUB Smart vs Gaia AR

The clearest difference is update cadence: HUB Smart at every 6 months against Gaia AR's every 54 months. HUB Smart also leads on review sentiment (14% vs 0%). On price, ads, 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.

HUB Smart ships an update every 6 months, Gaia AR every 54 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | HUB Smart | Gaia AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/hub-smart/id1404230827/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **14.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 54 months |
| Monetization | Free | Free |
| Size | 49 MB | 46 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mondadori Education](https://appshunter.io/developer/347919917) | [Gaia Edizioni S.r.l.](https://appshunter.io/developer/918931301) |

## What reviewers say

### HUB Smart

[App page](https://appshunter.io/ios/app/hub-smart/id1404230827)

Access digital content from your textbooks by scanning QR codes with your smartphone or tablet. This app enhances learning with interactive and stimulating resources, making study more engaging.

**Highlights:** Scan QR codes from textbooks, Access digital content, Interactive learning, Stimulating resources, Smartphone and tablet compatible

**In-app purchases:** none


### Gaia AR

[App page](https://appshunter.io/ios/app/gaia-ar/id1453914836)

This augmented reality app unlocks interactive multimedia content from educational publications. Simply point your device at book pages to access videos, audio, animations, and exercises. It also functions as a QR code reader.

**Highlights:** Augmented reality content access, Unlock videos, audio, and animations, Interactive exercises, QR code reader functionality, Enhances educational publications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HUB Smart free?

HUB Smart is free to download, with no in-app purchases.

### Is Gaia AR free?

Gaia AR is free to download, with no in-app purchases.

### Do HUB Smart or Gaia AR have ads?

Neither HUB Smart nor Gaia AR shows ads.

### Which is updated more often, HUB Smart or Gaia AR?

HUB Smart ships an update every 6 months, and Gaia AR every 54 months. Most recently, HUB Smart was updated on November 2, 2026 and Gaia AR on November 2, 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.*