# Headword App vs STEM School

The clearest difference is update cadence: Headword App at every 2 weeks against STEM School's every 2 months. Headword App also leads on iOS requirement (11.0 vs 15.6). 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.

Headword App ships an update every 2 weeks, STEM School every 2 months. The most recent releases landed on May 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Headword App | STEM School |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 81 MB | 64 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ANANDA PUBLISHERS PRIVATE LIMITED](https://appshunter.io/developer/1538285398) | [Wisibles](https://appshunter.io/developer/1811491403) |

## What reviewers say

### Headword App

[App page](https://appshunter.io/ios/app/headword-app/id1538288728)

**Features:** macOS Compatibility

**In-app purchases:** none


### STEM School

[App page](https://appshunter.io/ios/app/stem-school/id6745240313)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Headword App free?

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

### Is STEM School free?

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

### Do Headword App or STEM School have ads?

Neither Headword App nor STEM School shows ads.

### Which is updated more often, Headword App or STEM School?

Headword App ships an update every 2 weeks, and STEM School every 2 months. Most recently, Headword App was updated on May 16, 2026 and STEM School on September 17, 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.*