# VyApp Smart Calls vs KNM Messenger

The clearest difference is update cadence: KNM Messenger at every 9 days against VyApp Smart Calls's every 2 months. 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.

VyApp Smart Calls ships an update every 2 months, KNM Messenger every 9 days. The most recent releases landed on October 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | VyApp Smart Calls | KNM Messenger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 30 MB | 89 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vayotek](https://appshunter.io/developer/1804691317) | [Invision Custom Solutions Inc.](https://appshunter.io/developer/1716316939) |

## What reviewers say

### VyApp Smart Calls

[App page](https://appshunter.io/ios/app/vyapp-smart-calls/id6757333772)

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

**In-app purchases:** none


### KNM Messenger

[App page](https://appshunter.io/ios/app/knm-messenger/id6789616152)

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

**In-app purchases:** none


## Frequently asked questions

### Is VyApp Smart Calls free?

VyApp Smart Calls is free to download, with no in-app purchases.

### Is KNM Messenger free?

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

### Do VyApp Smart Calls or KNM Messenger have ads?

Neither VyApp Smart Calls nor KNM Messenger shows ads.

### Which is updated more often, VyApp Smart Calls or KNM Messenger?

VyApp Smart Calls ships an update every 2 months, and KNM Messenger every 9 days. Most recently, VyApp Smart Calls was updated on October 25, 2026 and KNM Messenger on October 5, 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.*