# Calk UZ vs Gap! UZ

The clearest difference is in-app purchases: Gap! UZ at none against Calk UZ's 1. Gap! UZ also leads on ads (none vs shown) and update cadence (every 2 days vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Calk UZ sells 1 one-off in-app purchase. Gap! UZ asks for nothing beyond the download.

Calk UZ ships an update fortnightly, Gap! UZ every 2 days. Both last shipped on November 10, 2026.

## The numbers

| Metric | Calk UZ | Gap! UZ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Size | 11 MB | 35 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Konstantin Iakovlev](https://appshunter.io/developer/1896744607) | [SABNUR HOLDING](https://appshunter.io/developer/1877489731) |

## What reviewers say

### Calk UZ

[App page](https://appshunter.io/ios/app/calk-uz/id6782391910)

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

**In-app purchases (1)**

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


### Gap! UZ

[App page](https://appshunter.io/ios/app/gap-uz/id6821357353)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calk UZ free?

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

### Is Gap! UZ free?

Gap! UZ is free to download, with no in-app purchases.

### Do Calk UZ or Gap! UZ have ads?

Calk UZ shows ads; Gap! UZ does not.

### Which is updated more often, Calk UZ or Gap! UZ?

Calk UZ ships an update fortnightly, and Gap! UZ every 2 days. Most recently, Calk UZ was updated on November 10, 2026 and Gap! UZ on November 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*