# Cortex Building Intelligence vs Justworks

The clearest difference is update cadence: Justworks at every 3 weeks against Cortex Building Intelligence's every 6 months. Justworks also leads on ratings volume (5.2K vs 2). Cortex Building Intelligence's advantage is rating (5.0 vs 4.8) and iOS requirement (11.0 vs 16.4). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Cortex Building Intelligence holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Justworks has 5.2K ratings behind it against 2, so its average is the more settled of the two.

Cortex Building Intelligence ships an update every 6 months, Justworks every 3 weeks. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Cortex Building Intelligence | Justworks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cortex-building-intelligence/id859436615/reviews)** | [4.8 (5.2K ratings)](https://appshunter.io/ios/app/justworks/id1485245462/reviews) |
| Number of ratings | 2 | **5.2K** |
| Positive reviews | — | 25.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 13 MB | 69 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cortex Building Intelligence, Inc.](https://appshunter.io/developer/874451880) | [Justworks](https://appshunter.io/developer/1059621725) |

## 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


### Justworks

[App page](https://appshunter.io/ios/app/justworks/id1485245462)

Access essential HR information like paystubs, benefits, and time off requests directly from your mobile device. Manage time tracking, submit expenses, and stay updated with company events and contacts. Requires an active employer account.

**Highlights:** View paystubs and earnings, Access insurance information, Request and manage time off, Submit expense reimbursements, Track work hours and manage timecards, View company calendar and directory

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Smooth and user-friendly
- 💡 Helpful for accessing important information
- 🔒 Secure and reliable

**What reviewers complain about**

- 🐛 Notification issues (not clearing, misleading)
- 🔒 Frequent re-authentication required
- ⚠️ Limited functionality compared to website
- 🕰️ Lack of key features (calendar, time management)

**Reported bugs**

- Data not loading
- Hanging up/restarting required
- Notification issues

**Requested features**

- Add company calendar
- Integrate 401k management
- Improve notification system
- Expand admin/manager functionality


## Frequently asked questions

### Is Cortex Building Intelligence free?

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

### Is Justworks free?

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

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

Cortex Building Intelligence is rated higher. Cortex Building Intelligence averages 5.0 out of 5 from 2 ratings, while Justworks averages 4.8 from 5.2K ratings.

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

Neither Cortex Building Intelligence nor Justworks shows ads.

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

Cortex Building Intelligence ships an update every 6 months, and Justworks every 3 weeks. Most recently, Cortex Building Intelligence was updated on October 2, 2026 and Justworks on October 13, 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.*