# AirPlus Square vs ECG Redefine

The clearest difference is review sentiment: ECG Redefine at 50% against AirPlus Square's 18%. 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.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | AirPlus Square | ECG Redefine |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 18.2% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | Free |
| Size | 79 MB | 89 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Land and Houses Public Company Limited.](https://appshunter.io/developer/422842612) | [ECG-Research Co., Ltd.](https://appshunter.io/developer/1386880863) |

## What reviewers say

### AirPlus Square

[App page](https://appshunter.io/ios/app/airplus-square/id1528283369)

Control your home's ventilation system and air purifier with PM2.5 filtration. It operates automatically based on weather conditions and allows remote monitoring of device status and air quality for a healthier living environment.

**Highlights:** Automatic ventilation control, PM2.5 air purification, Remote monitoring of device status, Real-time air quality data, Online control

**Features:** macOS Compatibility

**In-app purchases:** none


### ECG Redefine

[App page](https://appshunter.io/ios/app/ecg-redefine/id6458729894)

Access global investment opportunities and manage your portfolio with real-time updates. Design your financial future with customizable income streams and expert support. Join the ECG Club for exclusive experiences and rewards.

**Highlights:** Access global investment opportunities, Real-time portfolio tracking and analysis, Customizable income stream design, Expert investment advisor access, ECG Club for exclusive experiences, Book meeting rooms

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AirPlus Square free?

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

### Is ECG Redefine free?

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

### Do AirPlus Square or ECG Redefine have ads?

Neither AirPlus Square nor ECG Redefine shows ads.

### Which is updated more often, AirPlus Square or ECG Redefine?

AirPlus Square ships an update every 5 weeks, and ECG Redefine every 5 weeks. Most recently, AirPlus Square was updated on October 4, 2026 and ECG Redefine on October 14, 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.*