# DropNotify vs Easy Duct

The clearest difference is rating: Easy Duct at 5.0 against DropNotify's 4.4. Easy Duct also leads on in-app purchases (none vs 1) and update cadence (every 2 days vs every 2 weeks). DropNotify's advantage is ratings volume (16 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. DropNotify sells 1 in-app purchase, starting at $9.99 per month. Easy Duct asks for nothing beyond the download.

Easy Duct holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: DropNotify has 16 ratings behind it against 1, so its average is the more settled of the two.

DropNotify ships an update every 2 weeks, Easy Duct every 2 days. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | DropNotify | Easy Duct |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (16 ratings)](https://appshunter.io/ios/app/dropnotify/id6762160323/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/easy-duct/id6810881020/reviews)** |
| Number of ratings | **16** | 1 |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Freemium | **Free** |
| Size | 8 MB | 3 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Brendan Forti](https://appshunter.io/developer/1893174499) | [Iman Alizadeh](https://appshunter.io/developer/6810881022) |

## What reviewers say

### DropNotify

[App page](https://appshunter.io/ios/app/dropnotify/id6762160323)

Get instant notifications when popular retailers restock desired items. Track product availability online and in-store for collectibles, deals, and more. Offers both free and premium subscription tiers for enhanced features.

**Highlights:** Real-time push notifications, Online and in-store restock tracking, Support for major retailers, Track collectibles and deals, Free and premium subscription options, Local restock maps

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DropNotify Premium | $9.99 | per month |


### Easy Duct

[App page](https://appshunter.io/ios/app/easy-duct/id6810881020)

This app calculates air duct sizes for HVAC design. It solves for missing values like airflow or head loss, allowing users to set multiple limits simultaneously. Results are presented with buildable size steps and detailed engineering data, functioning fully offline.

**Highlights:** Airflow, head loss, velocity, or duct size calculation, Simultaneous head loss and velocity limit checking, Buildable size steps for fabrication, Offline functionality, IP and SI unit conversion, Multiple friction models and engineering data

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DropNotify free?

DropNotify is free to download, with in-app purchases available.

### Is Easy Duct free?

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

### Which has better reviews, DropNotify or Easy Duct?

Easy Duct is rated higher. DropNotify averages 4.4 out of 5 from 16 ratings, while Easy Duct averages 5.0 from 1 ratings.

### Do DropNotify or Easy Duct have ads?

Neither DropNotify nor Easy Duct shows ads.

### Which is updated more often, DropNotify or Easy Duct?

DropNotify ships an update every 2 weeks, and Easy Duct every 2 days. Most recently, DropNotify was updated on October 9, 2026 and Easy Duct on October 14, 2026.

---

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