# Watts Up? vs UnitBloom

The clearest difference is in-app purchases: UnitBloom at none against Watts Up?'s 1. UnitBloom also leads on ads (none vs shown) and update cadence (weekly vs every 32 months). Watts Up?'s advantage is iOS requirement (13.0 vs 16.6). On price and device support there is nothing between them.

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

Watts Up? ships an update every 32 months, UnitBloom weekly. Both last shipped on September 16, 2026.

## The numbers

| Metric | Watts Up? | UnitBloom |
| --- | --- | --- |
| 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 | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 3 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eric Kasnetsis](https://appshunter.io/developer/942810412) | [RePrice LLC](https://appshunter.io/developer/1857807938) |

## 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 |


### UnitBloom

[App page](https://appshunter.io/ios/app/unitbloom/id6759544493)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Watts Up? free?

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

### Is UnitBloom free?

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

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

Watts Up? shows ads; UnitBloom does not.

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

Watts Up? ships an update every 32 months, and UnitBloom weekly. Most recently, Watts Up? was updated on September 16, 2026 and UnitBloom on September 16, 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.*