# Oilfield Calculator vs ElectriCalc

The clearest difference is in-app purchases: ElectriCalc at none against Oilfield Calculator's 1. ElectriCalc also leads on iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Oilfield Calculator sells 1 one-off in-app purchase. ElectriCalc asks for nothing beyond the download.

## The numbers

| Metric | Oilfield Calculator | ElectriCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 1 MB | 13 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858) | [Yihua Xu](https://appshunter.io/developer/884486688) |

## What reviewers say

### Oilfield Calculator

[App page](https://appshunter.io/ios/app/oilfield-calculator-drilling/id6762048533)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Calculators | $12.99 | one-time |


### ElectriCalc

[App page](https://appshunter.io/ios/app/electricalc-engineering-tool/id6762361122)

**In-app purchases:** none


## Frequently asked questions

### Is Oilfield Calculator free?

Oilfield Calculator is free to download, with in-app purchases available.

### Is ElectriCalc free?

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

### Do Oilfield Calculator or ElectriCalc have ads?

Neither Oilfield Calculator nor ElectriCalc shows ads.

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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.*