# Zuul Systems vs iFLO

The clearest difference is rating: Zuul Systems at 3.9 against iFLO's 3.1. Zuul Systems also leads on review sentiment (68% vs 30%) and monetization model (free vs subscription). On price, ratings volume, 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.

Zuul Systems holds the better App Store score, 3.9 against 3.1. Both are backed by a comparable volume of ratings — 35 and 92 respectively. Written reviews point the same way: 68% of Zuul Systems's written reviews are positive against 30% of iFLO's.

Zuul Systems ships an update weekly, iFLO every 6 weeks. The most recent releases landed on August 26, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Zuul Systems | iFLO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (35 ratings)](https://appshunter.io/ios/app/zuul-systems/id1438385504/reviews)** | [3.1 (92 ratings)](https://appshunter.io/ios/app/iflo/id6446085127/reviews) |
| Number of ratings | 35 | **92** |
| Positive reviews | **68.0% of reviews** | 30.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | **Free** | Subscription |
| Size | 52 MB | 30 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZUUL SYSTEMS, LLC](https://appshunter.io/developer/1426243937) | [Air Innovations](https://appshunter.io/developer/1675842992) |

## What reviewers say

### Zuul Systems

[App page](https://appshunter.io/ios/app/zuul-systems/id1438385504)

Grant seamless entry to your gated community for guests. This app allows residents to send digital passes, reducing wait times and enhancing security. Registered guests can easily request passes and access community amenities.

**Highlights:** Send digital guest passes, Reduce gate wait times, Improve community security, Guest pass requests, Contact integration, QR code passes, Add passes to calendar

**Features:** macOS Compatibility

**In-app purchases:** none


### iFLO

[App page](https://appshunter.io/ios/app/iflo/id6446085127)

Proactively maintain your HVAC system to prevent clogs, backups, and water damage. This smart device uses AI and custom schedules based on your climate to keep your AC running efficiently, saving you time and money.

**Highlights:** Automated drain line cleaning, AI-powered weather-based maintenance, Customizable maintenance schedules, Real-time device monitoring, Timely notifications and reminders, Easy app-guided installation

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

**In-app purchases:** none


## Frequently asked questions

### Is Zuul Systems free?

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

### Is iFLO free?

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

### Which has better reviews, Zuul Systems or iFLO?

Zuul Systems is rated higher. Zuul Systems averages 3.9 out of 5 from 35 ratings, while iFLO averages 3.1 from 92 ratings.

### Do Zuul Systems or iFLO have ads?

Neither Zuul Systems nor iFLO shows ads.

### Which is updated more often, Zuul Systems or iFLO?

Zuul Systems ships an update weekly, and iFLO every 6 weeks. Most recently, Zuul Systems was updated on August 26, 2026 and iFLO on September 16, 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.*