# IrregularVerbsPro vs Rigl

The clearest difference is update cadence: Rigl at weekly against IrregularVerbsPro's every 23 months. Rigl also leads on iOS requirement (15.1 vs 18.0). 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.

IrregularVerbsPro ships an update every 23 months, Rigl weekly. The most recent releases landed on September 26, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | IrregularVerbsPro | Rigl |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Weekly** |
| Size | 1 MB | 37 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Dmitry Gaponenko](https://appshunter.io/developer/1376847191) | [Ilia Bakanov](https://appshunter.io/developer/6776130661) |

## What reviewers say

### IrregularVerbsPro

[App page](https://appshunter.io/ios/app/irregularverbspro/id1412795407)

**In-app purchases:** none


### Rigl

[App page](https://appshunter.io/ios/app/rigl-lingvo/id6776130659)

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

**In-app purchases:** none


## Frequently asked questions

### Is IrregularVerbsPro free?

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

### Is Rigl free?

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

### Do IrregularVerbsPro or Rigl have ads?

Neither IrregularVerbsPro nor Rigl shows ads.

### Which is updated more often, IrregularVerbsPro or Rigl?

IrregularVerbsPro ships an update every 23 months, and Rigl weekly. Most recently, IrregularVerbsPro was updated on September 26, 2026 and Rigl on September 15, 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.*