# Electrical Calculator vs Tensora

The clearest difference is update cadence: Tensora at every 3 days against Electrical Calculator's every 4 months. Tensora also leads on price ($2.99 vs $3.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Electrical Calculator costs $3.99 and Tensora $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Electrical Calculator ships an update every 4 months, Tensora every 3 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Electrical Calculator | Tensora |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | **[4.6 (462 ratings)](https://appshunter.io/ios/app/electrical-calculator/id495478153/reviews)** | — |
| Number of ratings | **462** | — |
| Positive reviews | 53.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 18 MB | 5 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## What reviewers say

### Electrical Calculator

[App page](https://appshunter.io/ios/app/electrical-calculator/id495478153)

This app provides over 65 essential electrical calculation tools and formulas for engineers, students, and professionals. It supports both USCS and SI units and includes features like resistor color code conversion and upgraded voltage drop calculations aligned with industry standards.

**Highlights:** Over 65 electrical calculation tools, Resistor color code calculators, Upgraded voltage drop calculations, Wire size calculations, Series/parallel circuit calculations, Energy cost calculator, Unit conversions

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great app, useful for years
- 👍 Good app
- 👍 Brilliant Program
- 👍 Essential shortcut for professionals
- 👍 Works great

**What reviewers complain about**

-  annoyance: popup advising update
- 💸 Paid for calculators, then asked for more
- 💸 Lost money
- 💸 Costs extra for full content
- 📏 No impedance calculators

**Reported bugs**

- Annoying popup for app update
- Converter not working
- App not working on older iPhone models

**Requested features**

- Include impedance calculators
- Improve metric region compatibility for AWG cables


### Tensora

[App page](https://appshunter.io/ios/app/tensora-string-tension/id6777744797)

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

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Calculator free?

Electrical Calculator costs $3.99, with no in-app purchases.

### Is Tensora free?

Tensora costs $2.99, with no in-app purchases.

### Do Electrical Calculator or Tensora have ads?

Neither Electrical Calculator nor Tensora shows ads.

### Which is updated more often, Electrical Calculator or Tensora?

Electrical Calculator ships an update every 4 months, and Tensora every 3 days. Most recently, Electrical Calculator was updated on October 30, 2026 and Tensora 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.*