# Why?! vs Vocabulary Builder

The clearest difference is update cadence: Vocabulary Builder at every 2 days against Why?!'s monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Why?! sells 10 in-app purchases, starting at $7.99 per month and Vocabulary Builder sells 1 in-app purchase, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Why?! ships an update monthly, Vocabulary Builder every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Why?! | Vocabulary Builder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/vocabulary-builder-1983/id6768650656/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | — | Subscription |
| Size | 36 MB | 19 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Looking4Cache UG (haftungsbeschraenkt)](https://appshunter.io/developer/532870489) | [soumaya Jameleddine](https://appshunter.io/developer/1890260603) |

## What reviewers say

### Why?!

[App page](https://appshunter.io/ios/app/why/id6749770685)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Kid / Month | $7.99 | per month |
| 2 Kids / Month | $11.99 | per month |
| 3 Kids / Month | $14.99 | per month |
| 4 Kids / Month | $17.99 | per month |
| 5 Kids / Month | $19.99 | per month |
| 1 Kid / Year | $59.99 | per year |
| 2 Kids / Year | $89.99 | per year |
| 3 Kids / Year | $109.99 | per year |
| 4 Kids / Year | $129.99 | per year |
| 5 Kids / Year | $149.99 | per year |


### Vocabulary Builder

[App page](https://appshunter.io/ios/app/vocabulary-builder-1983/id6768650656)

Explore words through a unique two-dimensional map of intensity and nuance. Discover curated definitions and examples, then test your knowledge with adaptive quizzes. Track your progress and earn virtual achievements.

**Highlights:** Two-dimensional word mapping (intensity & nuance), Curated definitions and examples, Adaptive quiz modes (definition, nuance, intensity), Practice progress tracking (heatmap, missed words), Daily Word of the Day widget, Mastery achievements

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1983 Pro | $5.99 | per month |


## Frequently asked questions

### Is Why?! free?

Why?! is free to download, with in-app purchases available.

### Is Vocabulary Builder free?

Vocabulary Builder is free to download, with in-app purchases available.

### Do Why?! or Vocabulary Builder have ads?

Neither Why?! nor Vocabulary Builder shows ads.

### Which is updated more often, Why?! or Vocabulary Builder?

Why?! ships an update monthly, and Vocabulary Builder every 2 days. Most recently, Why?! was updated on October 25, 2026 and Vocabulary Builder on October 24, 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.*