# WattTimeIsIt? vs Frequency Conversion

The clearest difference is price: WattTimeIsIt? at $0.99 against Frequency Conversion's $2.99. WattTimeIsIt? also leads on iOS requirement (14.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

WattTimeIsIt? costs $0.99 and Frequency Conversion $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WattTimeIsIt? ships an update every 40 months, Frequency Conversion every 22 months. The most recent releases landed on September 2, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | WattTimeIsIt? | Frequency Conversion |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/watttimeisit/id652579407/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 22 months** |
| Monetization | Paid | — |
| Size | 2 MB | 2 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Visoft, Inc.](https://appshunter.io/developer/652579430) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### WattTimeIsIt?

[App page](https://appshunter.io/ios/app/watttimeisit/id652579407)

Easily adjust cooking times for frozen meals based on your microwave's wattage. Avoid under or overcooking your food by converting standard instructions to match your specific appliance.

**Highlights:** Adjust cooking times for wattage differences, Prevent under/overcooking food, Works with various microwave wattages, Ensures perfectly cooked meals, Simple and easy to use tool

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

**In-app purchases:** none


### Frequency Conversion

[App page](https://appshunter.io/ios/app/frequency-conversion/id6444392460)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WattTimeIsIt? free?

WattTimeIsIt? costs $0.99, with no in-app purchases.

### Is Frequency Conversion free?

Frequency Conversion costs $2.99, with no in-app purchases.

### Do WattTimeIsIt? or Frequency Conversion have ads?

Neither WattTimeIsIt? nor Frequency Conversion shows ads.

### Which is updated more often, WattTimeIsIt? or Frequency Conversion?

WattTimeIsIt? ships an update every 40 months, and Frequency Conversion every 22 months. Most recently, WattTimeIsIt? was updated on September 2, 2026 and Frequency Conversion on September 11, 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.*