# STEM School vs NBR E

The clearest difference is update cadence: NBR E at every 2 weeks against STEM School's every 27 months. STEM School's advantage is iOS requirement (11.0 vs 16.0). 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.

STEM School ships an update every 27 months, NBR E every 2 weeks. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | STEM School | NBR E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/nbr-e-library/id1588680132/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 178 MB | 71 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Myclassboard Educational Solutions Private Limited](https://appshunter.io/developer/1261722731) | [ODILOTID SL](https://appshunter.io/developer/976580041) |

## What reviewers say

### STEM School

[App page](https://appshunter.io/ios/app/stem-school/id1579053560)

**In-app purchases:** none


### NBR E

[App page](https://appshunter.io/ios/app/nbr-e-library/id1588680132)

Access a vast collection of digital content including ebooks, audiobooks, podcasts, videos, and courses in various formats, themes, and languages. Personalize your learning journey based on your tastes and preferences.

**Highlights:** Thousands of digital content items, Multiple formats: ebooks, audiobooks, podcasts, videos, courses, magazines, Diverse themes and languages, Personalized reading experience, Create your own learning experience

**In-app purchases:** none


## Frequently asked questions

### Is STEM School free?

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

### Is NBR E free?

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

### Do STEM School or NBR E have ads?

Neither STEM School nor NBR E shows ads.

### Which is updated more often, STEM School or NBR E?

STEM School ships an update every 27 months, and NBR E every 2 weeks. Most recently, STEM School was updated on September 17, 2026 and NBR E on September 23, 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.*