# calcMod vs Irregular Verbs

The clearest difference is price: Irregular Verbs at Free against calcMod's $0.99. calcMod's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Irregular Verbs is free to download; calcMod costs $0.99 up front. Irregular Verbs sells 1 one-off in-app purchase. calcMod asks for nothing beyond the download.

calcMod ships an update every 6 days, Irregular Verbs monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | calcMod | Irregular Verbs |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/irregular-verbs-learn-english/id1543574299/reviews)** |
| Number of ratings | — | **9** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 18 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alain Cardinaux](https://appshunter.io/developer/1443066124) | [Flawless Studio LLC](https://appshunter.io/developer/1228312508) |

## What reviewers say

### calcMod

[App page](https://appshunter.io/ios/app/calcmod-prox/id1443066125)

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

**In-app purchases:** none


### Irregular Verbs

[App page](https://appshunter.io/ios/app/irregular-verbs-learn-english/id1543574299)

Master English irregular verbs with this adaptive learning tool. Study categorized lists, practice with flashcards, and test your knowledge with intelligent quizzes that focus on areas needing improvement. Track your progress and enhance your vocabulary.

**Highlights:** Categorized verb lists, Flashcard practice, Adaptive testing, Progress tracking, Beginner to advanced levels

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is calcMod free?

calcMod costs $0.99, with no in-app purchases.

### Is Irregular Verbs free?

Irregular Verbs is free to download, with in-app purchases available.

### Do calcMod or Irregular Verbs have ads?

Irregular Verbs shows ads; calcMod does not.

### Which is updated more often, calcMod or Irregular Verbs?

calcMod ships an update every 6 days, and Irregular Verbs monthly. Most recently, calcMod was updated on November 2, 2026 and Irregular Verbs on November 3, 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.*