# Conversion! vs Power Calculators & Converters

The clearest difference is in-app purchases: Conversion! at none against Power Calculators & Converters's 1. Power Calculators & Converters's advantage is update cadence (every 5 days vs every 20 months) and iOS requirement (13.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Power Calculators & Converters sells 1 one-off in-app purchase. Conversion! asks for nothing beyond the download.

Conversion! ships an update every 20 months, Power Calculators & Converters every 5 days. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Conversion! | Power Calculators & Converters |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/power-calculators-and-converters/id6749201197/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 33 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Gerhard Lentschik](https://appshunter.io/developer/629988041) | [Arsosa Network Inc.](https://appshunter.io/developer/1209042440) |

## What reviewers say

### Conversion!

[App page](https://appshunter.io/ios/app/conversion/id1227201297)

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

**In-app purchases:** none


### Power Calculators & Converters

[App page](https://appshunter.io/ios/app/power-calculators-and-converters/id6749201197)

This application provides accurate calculations and conversions for various power units, including watts and horsepower. It's designed for professionals and students needing to simplify complex energy and power calculations for generators and devices.

**Highlights:** Convert between various power units, Calculate wattage, energy, and fuel consumption, Read informative articles on power generators, User-friendly tools for complex calculations, Quick and reliable energy conversions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $3.99 | one-time |


## Frequently asked questions

### Is Conversion! free?

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

### Is Power Calculators & Converters free?

Power Calculators & Converters is free to download, with in-app purchases available.

### Do Conversion! or Power Calculators & Converters have ads?

Neither Conversion! nor Power Calculators & Converters shows ads.

### Which is updated more often, Conversion! or Power Calculators & Converters?

Conversion! ships an update every 20 months, and Power Calculators & Converters every 5 days. Most recently, Conversion! was updated on October 7, 2026 and Power Calculators & Converters on October 9, 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.*