# Khronos 24h vs mAPPa

The clearest difference is iOS requirement: mAPPa at 13.0 against Khronos 24h's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Khronos 24h ships an update monthly, mAPPa every 2 months. The most recent releases landed on September 13, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Khronos 24h | mAPPa |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 110 MB | 32 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Khronos](https://appshunter.io/developer/593114209) | [UNI�O DOS ESCOTEIROS DO BRASIL](https://appshunter.io/developer/986384157) |

## What reviewers say

### Khronos 24h

[App page](https://appshunter.io/ios/app/khronos-24h/id1237907164)

Monitor your security system directly from your mobile device. Check alarm status, arm/disarm the system, view live camera feeds, and manage service orders. You can also make calls to registered contacts.

**Highlights:** Monitor alarm status, Arm and disarm system, View live camera feeds, Check events and service orders, Call registered contacts

**Features:** macOS Compatibility

**In-app purchases:** none


### mAPPa

[App page](https://appshunter.io/ios/app/mappa/id6757923937)

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

**In-app purchases:** none


## Frequently asked questions

### Is Khronos 24h free?

Khronos 24h is free to download, with no in-app purchases.

### Is mAPPa free?

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

### Do Khronos 24h or mAPPa have ads?

Neither Khronos 24h nor mAPPa shows ads.

### Which is updated more often, Khronos 24h or mAPPa?

Khronos 24h ships an update monthly, and mAPPa every 2 months. Most recently, Khronos 24h was updated on September 13, 2026 and mAPPa on September 25, 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.*