# Sci vs InvolveU NLU

The clearest difference is update cadence: Sci at every 2 days against InvolveU NLU's every 3 weeks. Sci also leads on iOS requirement (15.1 vs 17.4). 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.

Sci ships an update every 2 days, InvolveU NLU every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | Sci | InvolveU NLU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sci-map/id6560105262/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 33 MB | 77 MB |
| Requires iOS | **15.1** | 17.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Hands On Gainesville Inc](https://appshunter.io/developer/1758431842) | [National Louis University](https://appshunter.io/developer/836260309) |

## What reviewers say

### Sci

[App page](https://appshunter.io/ios/app/sci-map/id6560105262)

Explore STEM concepts and problem-solving skills through hands-on activities tied to real-world locations. Search activities by site, STEM field, or curriculum standards. Activities are categorized for pre-visit, during-visit, and post-visit engagement.

**Highlights:** Hands-on STEM activities, Location-based exploration, Searchable by site name, Filter by STEM field, Curriculum standard alignment, Pre/during/post visit activities

**Features:** macOS Compatibility

**In-app purchases:** none


### InvolveU NLU

[App page](https://appshunter.io/ios/app/involveu-nlu/id6749239278)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sci free?

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

### Is InvolveU NLU free?

InvolveU NLU is free to download, with no in-app purchases.

### Do Sci or InvolveU NLU have ads?

Neither Sci nor InvolveU NLU shows ads.

### Which is updated more often, Sci or InvolveU NLU?

Sci ships an update every 2 days, and InvolveU NLU every 3 weeks. Most recently, Sci was updated on October 30, 2026 and InvolveU NLU on October 30, 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.*