# Khronos 24h vs Construir Aí

The clearest difference is review sentiment: Khronos 24h at 11% against Construir Aí's 0%. Khronos 24h also leads on device support (3 vs 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, Construir Aí every 2 weeks. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Khronos 24h | Construir Aí |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **11.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 110 MB | 64 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Khronos](https://appshunter.io/developer/593114209) | [LOOP3](https://appshunter.io/developer/1267822015) |

## 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


### Construir Aí

[App page](https://appshunter.io/ios/app/construir-ai/id1633919684)

This app connects construction professionals and consumers with suppliers for building materials and services. Find everything from project design to finishing touches, request quotes, and stay updated on industry trends. Earn cashback and exclusive discounts on purchases.

**Highlights:** Find construction suppliers, Request quotes and ask questions, Discover project design to finishing, Earn cashback on purchases, Access exclusive discounts, Stay updated on industry trends

**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 Construir Aí free?

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

### Do Khronos 24h or Construir Aí have ads?

Neither Khronos 24h nor Construir Aí shows ads.

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

Khronos 24h ships an update monthly, and Construir Aí every 2 weeks. Most recently, Khronos 24h was updated on October 24, 2026 and Construir Aí on October 11, 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.*