# iFLO vs Scent Machine

The clearest difference is update cadence: iFLO at every 6 weeks against Scent Machine's every 5 months. Scent Machine's advantage is iOS requirement (9.0 vs 15.1). 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.

iFLO ships an update every 6 weeks, Scent Machine every 5 months. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | iFLO | Scent Machine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (92 ratings)](https://appshunter.io/ios/app/iflo/id6446085127/reviews)** | — |
| Number of ratings | **92** | — |
| Positive reviews | 30.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | Subscription | — |
| Size | 30 MB | 26 MB |
| Requires iOS | 15.1 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Air Innovations](https://appshunter.io/developer/1675842992) | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) |

## What reviewers say

### 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


### Scent Machine

[App page](https://appshunter.io/ios/app/scent-machine/id6740234000)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iFLO free?

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

### Is Scent Machine free?

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

### Do iFLO or Scent Machine have ads?

Neither iFLO nor Scent Machine shows ads.

### Which is updated more often, iFLO or Scent Machine?

iFLO ships an update every 6 weeks, and Scent Machine every 5 months. Most recently, iFLO was updated on October 16, 2026 and Scent Machine on October 1, 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.*