# Air Plus Square Lite vs Defect Tracking

The clearest difference is update cadence: Defect Tracking at every 3 weeks against Air Plus Square Lite's every 38 months. Air Plus Square Lite's advantage is iOS requirement (12.0 vs 16.0). 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.

Air Plus Square Lite ships an update every 38 months, Defect Tracking every 3 weeks. The most recent releases landed on September 15, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Air Plus Square Lite | Defect Tracking |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 168 MB | 32 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Land and Houses Public Company Limited.](https://appshunter.io/developer/422842612) | [AP (THAILAND) PUBLIC COMPANY LIMITED](https://appshunter.io/developer/1049624952) |

## What reviewers say

### Air Plus Square Lite

[App page](https://appshunter.io/ios/app/air-plus-square-lite/id1581368493)

Manage your home's ventilation system to ensure optimal indoor air quality. This application helps maintain a healthy living environment for residents.

**Highlights:** Ventilation system control, Indoor air quality monitoring, Home environment management, Resident health focus

**In-app purchases:** none


### Defect Tracking

[App page](https://appshunter.io/ios/app/defect-tracking/id6502435987)

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

**In-app purchases:** none


## Frequently asked questions

### Is Air Plus Square Lite free?

Air Plus Square Lite is free to download, with no in-app purchases.

### Is Defect Tracking free?

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

### Do Air Plus Square Lite or Defect Tracking have ads?

Neither Air Plus Square Lite nor Defect Tracking shows ads.

### Which is updated more often, Air Plus Square Lite or Defect Tracking?

Air Plus Square Lite ships an update every 38 months, and Defect Tracking every 3 weeks. Most recently, Air Plus Square Lite was updated on September 15, 2026 and Defect Tracking on September 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*