# Ohmulator vs Bolt Calculation & Analysis

The clearest difference is price: Bolt Calculation & Analysis at Free against Ohmulator's $0.99. Bolt Calculation & Analysis also leads on update cadence (every 3 weeks vs every 2 months). Ohmulator's advantage is iOS requirement (10.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

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

Ohmulator ships an update every 2 months, Bolt Calculation & Analysis every 3 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ohmulator | Bolt Calculation & Analysis |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.7 (79 ratings)](https://appshunter.io/ios/app/ohmulator/id398901336/reviews)** | — |
| Number of ratings | **79** | — |
| Positive reviews | 81.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 4 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) | [KORAY GULPINAR](https://appshunter.io/developer/1847711120) |

## 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


### Bolt Calculation & Analysis

[App page](https://appshunter.io/ios/app/bolt-calculation-and-analysis/id6754289786)

**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 Bolt Calculation & Analysis free?

Bolt Calculation & Analysis is free to download, with no in-app purchases.

### Do Ohmulator or Bolt Calculation & Analysis have ads?

Neither Ohmulator nor Bolt Calculation & Analysis shows ads.

### Which is updated more often, Ohmulator or Bolt Calculation & Analysis?

Ohmulator ships an update every 2 months, and Bolt Calculation & Analysis every 3 weeks. Most recently, Ohmulator was updated on October 29, 2026 and Bolt Calculation & Analysis on October 25, 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.*