# Is that Silly? vs Irregular verbs adventure

The clearest difference is price: Irregular verbs adventure at $2.99 against Is that Silly?'s $14.99. Irregular verbs adventure also leads on iOS requirement (12.0 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Is that Silly? costs $14.99 and Irregular verbs adventure $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Is that Silly? ships an update every 22 months, Irregular verbs adventure every 34 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Is that Silly? | Irregular verbs adventure |
| --- | --- | --- |
| Price | $14.99 | **$2.99** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/is-that-silly/id483926026/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 84.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 22 months** | Every 34 months |
| Monetization | Paid | — |
| Size | 55 MB | 20 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smarty Ears](https://appshunter.io/developer/348779167) | [Eduardo Garcia Casado](https://appshunter.io/developer/603056968) |

## What reviewers say

### Is that Silly?

[App page](https://appshunter.io/ios/app/is-that-silly/id483926026)

This app uses vibrant illustrations of absurd scenarios to help children develop critical thinking and language skills. It's designed to assist those with ADHD, Autism, and language disorders by encouraging attention to detail and vocabulary expansion.

**Highlights:** Identify silly vs. not silly image pairs, Explain why scenarios are absurd, Customizable auditory and text prompts, Progress tracking with Report Card, Targeted for ADHD, Autism, language disorders, Clinically proven design

**Features:** macOS Compatibility

**In-app purchases:** none


### Irregular verbs adventure

[App page](https://appshunter.io/ios/app/irregular-verbs-adventure/id1542350082)

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

**In-app purchases:** none


## Frequently asked questions

### Is Is that Silly? free?

Is that Silly? costs $14.99, with no in-app purchases.

### Is Irregular verbs adventure free?

Irregular verbs adventure costs $2.99, with no in-app purchases.

### Do Is that Silly? or Irregular verbs adventure have ads?

Neither Is that Silly? nor Irregular verbs adventure shows ads.

### Which is updated more often, Is that Silly? or Irregular verbs adventure?

Is that Silly? ships an update every 22 months, and Irregular verbs adventure every 34 months. Most recently, Is that Silly? was updated on November 1, 2026 and Irregular verbs adventure on October 29, 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.*