# Callings vs Zerolog Chat

The clearest difference is update cadence: Zerolog Chat at every 3 days against Callings's weekly. Callings's advantage is iOS requirement (13.4 vs 15.5). 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.

Callings ships an update weekly, Zerolog Chat every 3 days. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Callings | Zerolog Chat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 61 MB | 63 MB |
| Requires iOS | **13.4** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [OPTIMUM DIGITAL TECHNOLOGIES LLC](https://appshunter.io/developer/1617599673) | [Firat Kocaoglu](https://appshunter.io/developer/1896729354) |

## What reviewers say

### Callings

[App page](https://appshunter.io/ios/app/callings/id6479602578)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zerolog Chat

[App page](https://appshunter.io/ios/app/zerolog-chat/id6770276290)

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

**In-app purchases:** none


## Frequently asked questions

### Is Callings free?

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

### Is Zerolog Chat free?

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

### Do Callings or Zerolog Chat have ads?

Neither Callings nor Zerolog Chat shows ads.

### Which is updated more often, Callings or Zerolog Chat?

Callings ships an update weekly, and Zerolog Chat every 3 days. Most recently, Callings was updated on October 15, 2026 and Zerolog Chat 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.*