# Peek vs Dominus

The clearest difference is device support: Dominus at 3 against Peek's 1. Dominus also leads on iOS requirement (15.1 vs 18.2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Peek sells 2 in-app purchases, starting at $4.99 per month and Dominus sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Peek ships an update every 2 weeks, Dominus weekly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Peek | Dominus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 59 MB | 71 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Melvyn Hoarau](https://appshunter.io/developer/1880600559) | [Lukasz Tulecki](https://appshunter.io/developer/1882408343) |

## What reviewers say

### Peek

[App page](https://appshunter.io/ios/app/peek-learn-language-passively/id6759779792)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peek+ Monthly | $4.99 | per month |
| Peek+ Annual | $29.99 | per year |


### Dominus

[App page](https://appshunter.io/ios/app/dominus-understand-power/id6760034311)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dominus | $7.99 | per month |
| Dominus | $59.99 | per year |


## Frequently asked questions

### Is Peek free?

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

### Is Dominus free?

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

### Do Peek or Dominus have ads?

Neither Peek nor Dominus shows ads.

### Which is updated more often, Peek or Dominus?

Peek ships an update every 2 weeks, and Dominus weekly. Most recently, Peek was updated on October 25, 2026 and Dominus on October 31, 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.*