# Merge Explorer vs GPISD TechAPalooza

The clearest difference is in-app purchases: GPISD TechAPalooza at none against Merge Explorer's 4. GPISD TechAPalooza also leads on update cadence (every 2 days vs monthly). Merge Explorer's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Merge Explorer sells 4 in-app purchases, starting at $9.99 per month. GPISD TechAPalooza asks for nothing beyond the download.

Merge Explorer ships an update monthly, GPISD TechAPalooza every 2 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Merge Explorer | GPISD TechAPalooza |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (279 ratings)](https://appshunter.io/ios/app/merge-explorer/id1453098606/reviews)** | — |
| Number of ratings | **279** | — |
| Positive reviews | 46.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 1.3 GB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Merge Apps](https://appshunter.io/developer/1253049593) | [Grand Prairie Independent School District](https://appshunter.io/developer/1582052065) |

## What reviewers say

### Merge Explorer

[App page](https://appshunter.io/ios/app/merge-explorer/id1453098606)

Explore over 100 interactive science simulations using a smartphone and a Merge Cube. Investigate volcanoes, sharks, the solar system, and more with hands-on activities and quizzes. Ideal for K-8 students learning science at school or home.

**Highlights:** Over 100 science simulations, Interactive Merge Cube experiences, Hands-on learning activities, Built-in quizzes, NGSS-aligned K-8 curriculum, Physical, Life, and Earth/Space Science topics

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Merge EDU Individual | $9.99 | per month |
| Explorer Premium Monthly | $9.99 | per month |
| Merge EDU Individual | $99.99 | per year |
| Explorer Premium Annual | $99.99 | per year |

**What reviewers like**

- 👍 Easy for young students
- 💡 Flexible for lesson needs
- 🔬 Used for research and experiments
- 💡 Introduces new content exploratorily
- 🤩 Engaging and versatile for learning

**What reviewers complain about**

- 💰 Expensive purchase
- 💰 Forced subscription for software
- 💰 Cannot view software before paying
- 💰 Money trap
- 💰 Only for rich people

**Reported bugs**

- App crashes on iPad
- App crashes when pressing play
- Camera not working in app
- Black screen when using cube or camera
- VR function broken

**Requested features**

- Make the app free to play
- Add more fun things, not just learning
- Bring back the fun apps (time bomb, block courses)
- Allow users to create their own games for the merge cube
- Add a way to reset quizzes for class sets of devices


### GPISD TechAPalooza

[App page](https://appshunter.io/ios/app/gpisd-techapalooza/id6790947362)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Merge Explorer free?

Merge Explorer is free to download, with in-app purchases available.

### Is GPISD TechAPalooza free?

GPISD TechAPalooza is free to download, with no in-app purchases.

### Do Merge Explorer or GPISD TechAPalooza have ads?

Neither Merge Explorer nor GPISD TechAPalooza shows ads.

### Which is updated more often, Merge Explorer or GPISD TechAPalooza?

Merge Explorer ships an update monthly, and GPISD TechAPalooza every 2 days. Most recently, Merge Explorer was updated on November 2, 2026 and GPISD TechAPalooza 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.*