# Callny Control vs Rezilio Alerts

The clearest difference is update cadence: Rezilio Alerts at every 3 weeks against Callny Control's every 30 months. Callny Control's advantage is iOS requirement (12.0 vs 14.0). 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.

Callny Control ships an update every 30 months, Rezilio Alerts every 3 weeks. Both last shipped on October 27, 2026.

## The numbers

| Metric | Callny Control | Rezilio Alerts |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 3 weeks** |
| Size | 32 MB | 17 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Callny Technology Co., Ltd.](https://appshunter.io/developer/1663693041) | [Rezilio Technologie inc.](https://appshunter.io/developer/1500906811) |

## What reviewers say

### Callny Control

[App page](https://appshunter.io/ios/app/callny-control/id1663693039)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rezilio Alerts

[App page](https://appshunter.io/ios/app/rezilio-alerts/id6449232712)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Callny Control free?

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

### Is Rezilio Alerts free?

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

### Do Callny Control or Rezilio Alerts have ads?

Neither Callny Control nor Rezilio Alerts shows ads.

### Which is updated more often, Callny Control or Rezilio Alerts?

Callny Control ships an update every 30 months, and Rezilio Alerts every 3 weeks. Most recently, Callny Control was updated on October 27, 2026 and Rezilio Alerts on October 27, 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.*