# Electricity vs Environmental Engineering PRO

The clearest difference is update cadence: Environmental Engineering PRO at every 5 months against Electricity's every 62 months. Environmental Engineering PRO also leads on price ($0.49 vs $1.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Electricity costs $1.99 and Environmental Engineering PRO $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Electricity ships an update every 62 months, Environmental Engineering PRO every 5 months. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Electricity | Environmental Engineering PRO |
| --- | --- | --- |
| Price | $1.99 | **$0.49** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 62 months | **Every 5 months** |
| Size | 263 MB | 23 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### Electricity

[App page](https://appshunter.io/ios/app/electricity-edutech-era/id1537222849)

**Features:** macOS Compatibility

**In-app purchases:** none


### Environmental Engineering PRO

[App page](https://appshunter.io/ios/app/environmental-engineering-pro/id6759217834)

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

**In-app purchases:** none


## Frequently asked questions

### Is Electricity free?

Electricity costs $1.99, with no in-app purchases.

### Is Environmental Engineering PRO free?

Environmental Engineering PRO costs $0.49, with no in-app purchases.

### Do Electricity or Environmental Engineering PRO have ads?

Neither Electricity nor Environmental Engineering PRO shows ads.

### Which is updated more often, Electricity or Environmental Engineering PRO?

Electricity ships an update every 62 months, and Environmental Engineering PRO every 5 months. Most recently, Electricity was updated on November 7, 2026 and Environmental Engineering PRO on November 5, 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.*