# Watts Up? vs Intelligent Sink Trap

The clearest difference is in-app purchases: Intelligent Sink Trap at none against Watts Up?'s 1. Intelligent Sink Trap also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Watts Up? sells 1 one-off in-app purchase. Intelligent Sink Trap asks for nothing beyond the download.

Watts Up? ships an update every 32 months, Intelligent Sink Trap every 22 months. The most recent releases landed on November 2, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Watts Up? | Intelligent Sink Trap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/watts-up/id1039678400/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 32 months | **Every 22 months** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 10 MB |
| Requires iOS | 13.0 | **12.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eric Kasnetsis](https://appshunter.io/developer/942810412) | [5011936 ONTARIO Inc.](https://appshunter.io/developer/1461926441) |

## What reviewers say

### Watts Up?

[App page](https://appshunter.io/ios/app/watts-up/id1039678400)

Easily determine microwave cooking times by inputting recipe details and your microwave's wattage. The app automatically saves your microwave's power for future use. Optimized for high-resolution displays on supported devices.

**Highlights:** Calculate recommended cook time, Input recipe cook time, Input recipe microwave wattage, Input your microwave wattage, Saves microwave wattage automatically, High resolution graphics

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Intelligent Sink Trap

[App page](https://appshunter.io/ios/app/intelligent-sink-trap/id1462017519)

**In-app purchases:** none


## Frequently asked questions

### Is Watts Up? free?

Watts Up? is free to download, with in-app purchases available.

### Is Intelligent Sink Trap free?

Intelligent Sink Trap is free to download, with no in-app purchases.

### Do Watts Up? or Intelligent Sink Trap have ads?

Watts Up? shows ads; Intelligent Sink Trap does not.

### Which is updated more often, Watts Up? or Intelligent Sink Trap?

Watts Up? ships an update every 32 months, and Intelligent Sink Trap every 22 months. Most recently, Watts Up? was updated on November 2, 2026 and Intelligent Sink Trap on October 26, 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.*