# Ohmulator vs Wi

The clearest difference is price: Wi at Free against Ohmulator's $0.99. Wi also leads on rating (5.0 vs 4.7) and update cadence (every 2 weeks vs every 2 months). Ohmulator's advantage is ratings volume (79 vs 1) and iOS requirement (10.0 vs 17.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

Wi is free to download; Ohmulator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Wi holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Ohmulator has 79 ratings behind it against 1, so its average is the more settled of the two.

Ohmulator ships an update every 2 months, Wi every 2 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ohmulator | Wi |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.7 (79 ratings)](https://appshunter.io/ios/app/ohmulator/id398901336/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wi-click-torque-wrench/id6502375695/reviews)** |
| Number of ratings | **79** | 1 |
| Positive reviews | 81.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 5 MB | 33 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [Cheng Wei Lin](https://appshunter.io/developer/1688383768) |

## What reviewers say

### Ohmulator

[App page](https://appshunter.io/ios/app/ohmulator/id398901336)

This electric circuit calculator simplifies Ohm's Law calculations. It allows users to input two known variables (current, resistance, voltage, or power) and automatically computes the unknown values. The app also supports on-the-fly unit adjustments, eliminating the need for manual conversions.

**Highlights:** Ohm's Law calculations, Calculate unknown variables, Adjustable unit types, Total resistance calculator, Supports Voltage, Current, Resistance, Power

**Features:** Vision Pro support

**In-app purchases:** none


### Wi

[App page](https://appshunter.io/ios/app/wi-click-torque-wrench/id6502375695)

This utility app connects to precision torque tools via Bluetooth 5.0. It allows remote configuration of wrench values, recording of cycle counts, and parameter adjustments. Users can generate data reports and perform digital calibration for quality analysis.

**Highlights:** Bluetooth 5.0 connectivity, Remote wrench value configuration, Cycle count recording, Wrench parameter adjustment, CSV data report generation, Digital calibration support

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

**In-app purchases:** none


## Frequently asked questions

### Is Ohmulator free?

Ohmulator costs $0.99, with no in-app purchases.

### Is Wi free?

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

### Which has better reviews, Ohmulator or Wi?

Wi is rated higher. Ohmulator averages 4.7 out of 5 from 79 ratings, while Wi averages 5.0 from 1 ratings.

### Do Ohmulator or Wi have ads?

Neither Ohmulator nor Wi shows ads.

### Which is updated more often, Ohmulator or Wi?

Ohmulator ships an update every 2 months, and Wi every 2 weeks. Most recently, Ohmulator was updated on October 29, 2026 and Wi 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.*