# Watts Up? vs CircuitSense

The clearest difference is ads: CircuitSense at none against Watts Up?'s shown. CircuitSense also leads on update cadence (every 3 days vs every 32 months) and rating (5.0 vs 4.7). Watts Up?'s advantage is ratings volume (15 vs 2). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Watts Up? sells 1 one-off in-app purchase and CircuitSense sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

CircuitSense holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Watts Up? has 15 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Watts Up? ships an update every 32 months, CircuitSense every 3 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Watts Up? | CircuitSense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (15 ratings)](https://appshunter.io/ios/app/watts-up/id1039678400/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/circuitsense/id6755273867/reviews)** |
| Number of ratings | **15** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 32 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 8 MB | 37 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eric Kasnetsis](https://appshunter.io/developer/942810412) | [CircuitSense LLC](https://appshunter.io/developer/1850351250) |

## 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 |


### CircuitSense

[App page](https://appshunter.io/ios/app/circuitsense/id6755273867)

This app automates complex electrical calculations for electricians, including conduit sizing, conductor ampacity, and voltage drop, based on the 2026 NEC. It provides detailed explanations for each result and organizes calculations by project for easy access and professional output sharing.

**Highlights:** Automated conduit and conductor sizing, Voltage drop and derating calculations, Box fill and pull box sizing, Load calculations for various building types, Fault current and transformer sizing, Conduit bending and panel phasing tools, Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CircuitSense Pro | $9.99 | per month |
| CircuitSense Pro | $79.99 | per year |


## Frequently asked questions

### Is Watts Up? free?

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

### Is CircuitSense free?

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

### Which has better reviews, Watts Up? or CircuitSense?

CircuitSense is rated higher. Watts Up? averages 4.7 out of 5 from 15 ratings, while CircuitSense averages 5.0 from 2 ratings.

### Do Watts Up? or CircuitSense have ads?

Watts Up? shows ads; CircuitSense does not.

### Which is updated more often, Watts Up? or CircuitSense?

Watts Up? ships an update every 32 months, and CircuitSense every 3 days. Most recently, Watts Up? was updated on October 24, 2026 and CircuitSense on October 28, 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.*