# Cortex Building Intelligence vs VoxSMS

The clearest difference is iOS requirement: Cortex Building Intelligence at 11.0 against VoxSMS's 13.0. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Cortex Building Intelligence against 5.0 for VoxSMS. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Cortex Building Intelligence ships an update every 6 months, VoxSMS every 10 months. The most recent releases landed on August 1, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Cortex Building Intelligence | VoxSMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/cortex-building-intelligence/id859436615/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/voxsms/id1514259980/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 10 months |
| Monetization | Free | Free |
| Size | 13 MB | 66 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cortex Building Intelligence, Inc.](https://appshunter.io/developer/874451880) | [Textable](https://appshunter.io/developer/1395042035) |

## What reviewers say

### Cortex Building Intelligence

[App page](https://appshunter.io/ios/app/cortex-building-intelligence/id859436615)

This platform uses machine learning to help commercial buildings reduce their carbon emissions and improve ESG scores. It offers a cost-effective path to decarbonization, leading to significant energy savings and increased asset value.

**Highlights:** Machine-learning decarbonization platform, Reduce carbon emissions, Improve GRESB and ESG scores, Achieve payback in under 6 months, Save on annualized energy usage, Increase asset value

**Features:** macOS Compatibility

**In-app purchases:** none


### VoxSMS

[App page](https://appshunter.io/ios/app/voxsms/id1514259980)

Communicate via SMS using your dedicated business phone numbers. This app allows you to send and receive text messages directly from your mobile device, integrating seamlessly with your existing service.

**Highlights:** Send and receive SMS, Use business phone numbers, Mobile messaging, Voxtelesys integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cortex Building Intelligence free?

Cortex Building Intelligence is free to download, with no in-app purchases.

### Is VoxSMS free?

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

### Which has better reviews, Cortex Building Intelligence or VoxSMS?

Cortex Building Intelligence and VoxSMS are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Cortex Building Intelligence or VoxSMS have ads?

Neither Cortex Building Intelligence nor VoxSMS shows ads.

### Which is updated more often, Cortex Building Intelligence or VoxSMS?

Cortex Building Intelligence ships an update every 6 months, and VoxSMS every 10 months. Most recently, Cortex Building Intelligence was updated on August 1, 2026 and VoxSMS on September 21, 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.*