# Irregular Verbs vs Gauge

The clearest difference is in-app purchases: Irregular Verbs at none against Gauge's 1. Irregular Verbs also leads on update cadence (every 3 days vs every 2 weeks) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Gauge sells 1 one-off in-app purchase. Irregular Verbs asks for nothing beyond the download.

Irregular Verbs ships an update every 3 days, Gauge every 2 weeks. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Irregular Verbs | Gauge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oleksii Vakhrushev](https://appshunter.io/developer/1542986312) | [OMAR DANIEL GRAZIANO](https://appshunter.io/developer/1896485759) |

## What reviewers say

### Irregular Verbs

[App page](https://appshunter.io/ios/app/irregular-verbs-learn-them/id1591800622)

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

**In-app purchases:** none


### Gauge

[App page](https://appshunter.io/ios/app/gauge-water-operator-prep/id6803531173)

Prepare for wastewater operator certification exams with a focus on the math section. This app offers free calculators for essential formulas and provides step-by-step solutions to common mistakes. Practice with timed exams that mirror the actual test format and weighting.

**Highlights:** Free operator math calculators, Step-by-step worked solutions, Timed practice exams, Formula selection drills, Offline functionality, Exam blueprint adherence

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Unlock | $14.99 | one-time |


## Frequently asked questions

### Is Irregular Verbs free?

Irregular Verbs is free to download, with no in-app purchases.

### Is Gauge free?

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

### Do Irregular Verbs or Gauge have ads?

Neither Irregular Verbs nor Gauge shows ads.

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

Irregular Verbs ships an update every 3 days, and Gauge every 2 weeks. Most recently, Irregular Verbs was updated on October 18, 2026 and Gauge on October 19, 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.*