# Quick Note AI vs Smart Drain Pro

The clearest difference is in-app purchases: Smart Drain Pro at none against Quick Note AI's 3. Smart Drain Pro also leads on ads (none vs shown). Quick Note AI's advantage is update cadence (every 4 days vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Quick Note AI sells 3 in-app purchases, starting at $0.99 per 7 days. Smart Drain Pro asks for nothing beyond the download.

Quick Note AI ships an update every 4 days, Smart Drain Pro every 5 months. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Quick Note AI | Smart Drain Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smart-drain-pro/id6739188395/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 months |
| Monetization | — | Free |
| Size | 74 MB | 23 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEW BILISIM](https://appshunter.io/developer/1506051994) | [David Sims](https://appshunter.io/developer/1709824648) |

## What reviewers say

### Quick Note AI

[App page](https://appshunter.io/ios/app/quick-note-ai-ai-note-tool/id6618152805)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Subscription | $0.99 | per 7 days |
| Monthly Premium Subscription | $2.99 | per month |
| Yearly Premium Subscription | $29.99 | per year |


### Smart Drain Pro

[App page](https://appshunter.io/ios/app/smart-drain-pro/id6739188395)

Automate water heater valve operations with this Bluetooth-enabled scheduler. Set custom times and days for efficient residue removal and device management in residential and industrial settings.

**Highlights:** Bluetooth device control, Automated scheduling, Customizable day and time programming, Residue removal management, Remote device operation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Quick Note AI free?

Quick Note AI is free to download, with in-app purchases available.

### Is Smart Drain Pro free?

Smart Drain Pro is free to download, with no in-app purchases.

### Do Quick Note AI or Smart Drain Pro have ads?

Quick Note AI shows ads; Smart Drain Pro does not.

### Which is updated more often, Quick Note AI or Smart Drain Pro?

Quick Note AI ships an update every 4 days, and Smart Drain Pro every 5 months. Most recently, Quick Note AI was updated on October 7, 2026 and Smart Drain Pro on October 3, 2026.

---

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