# TuningHost vs Ohm's Law+

The clearest difference is price: TuningHost at Free against Ohm's Law+'s $0.99. TuningHost also leads on iOS requirement (17.6 vs 26.0). Ohm's Law+'s advantage is update cadence (daily vs fortnightly). On ads, in-app purchases and device support there is nothing between them.

TuningHost is free to download; Ohm's Law+ costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TuningHost ships an update fortnightly, Ohm's Law+ daily. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TuningHost | Ohm's Law+ |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ohms-law-plus/id6753729105/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | — | Paid |
| Size | 8 MB | 1 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tuning Host SL GmbH](https://appshunter.io/developer/1775790000) | [Kanz Studios](https://appshunter.io/developer/1844708754) |

## What reviewers say

### TuningHost

[App page](https://appshunter.io/ios/app/tuninghost/id6737291958)

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

**In-app purchases:** none


### Ohm's Law+

[App page](https://appshunter.io/ios/app/ohms-law-plus/id6753729105)

This utility app simplifies electrical calculations with a clean interface. Input any two values (voltage, current, resistance, or power) to instantly solve for the remaining ones. It also includes a resistor color code calculator and a home screen widget for quick access.

**Highlights:** Electrical calculations, Resistor color code calculator, Home screen widget, Sleek Liquid Glass interface, Accurate and fast

**In-app purchases:** none


## Frequently asked questions

### Is TuningHost free?

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

### Is Ohm's Law+ free?

Ohm's Law+ costs $0.99, with no in-app purchases.

### Do TuningHost or Ohm's Law+ have ads?

Neither TuningHost nor Ohm's Law+ shows ads.

### Which is updated more often, TuningHost or Ohm's Law+?

TuningHost ships an update fortnightly, and Ohm's Law+ daily. Most recently, TuningHost was updated on October 9, 2026 and Ohm's Law+ on October 24, 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.*