# CallSec vs mono

The clearest difference is update cadence: CallSec at every 2 days against mono's weekly. CallSec also leads on iOS requirement (15.5 vs 26.2). 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.

CallSec ships an update every 2 days, mono weekly. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CallSec | mono |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Size | 93 MB | 18 MB |
| Requires iOS | **15.5** | 26.2 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Joze Hocevar](https://appshunter.io/developer/1889588154) | [Steve Urrego](https://appshunter.io/developer/1422175751) |

## What reviewers say

### CallSec

[App page](https://appshunter.io/ios/app/callsec/id6761431358)

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

**In-app purchases:** none


### mono

[App page](https://appshunter.io/ios/app/mono-private-messenger/id6770101349)

**In-app purchases:** none


## Frequently asked questions

### Is CallSec free?

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

### Is mono free?

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

### Do CallSec or mono have ads?

Neither CallSec nor mono shows ads.

### Which is updated more often, CallSec or mono?

CallSec ships an update every 2 days, and mono weekly. Most recently, CallSec was updated on November 5, 2026 and mono on October 28, 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.*