# Smart.Grid vs Electric Power Systems Quiz

The clearest difference is in-app purchases: Smart.Grid at none against Electric Power Systems Quiz's 6. Smart.Grid also leads on device support (3 vs 1) and iOS requirement (9.0 vs 17.0). Electric Power Systems Quiz's advantage is update cadence (every 6 weeks vs every 3 months). On price and ads there is nothing between them.

Both are free to download. Electric Power Systems Quiz sells 6 in-app purchases, starting at $9.99 per month. Smart.Grid asks for nothing beyond the download.

Smart.Grid ships an update every 3 months, Electric Power Systems Quiz every 6 weeks. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Smart.Grid | Electric Power Systems Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/electric-power-systems-quiz/id6739253096/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 18 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Technische Universitaet Berlin](https://appshunter.io/developer/527216537) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Smart.Grid

[App page](https://appshunter.io/ios/app/smartgrid/id1335576459)

**Features:** macOS Compatibility

**In-app purchases:** none


### Electric Power Systems Quiz

[App page](https://appshunter.io/ios/app/electric-power-systems-quiz/id6739253096)

Master electric power systems with comprehensive quizzes covering regulatory frameworks, smart grids, and market issues. Track progress, create custom tests, and solve real-world problems to enhance your expertise in the energy sector.

**Highlights:** Comprehensive topic coverage, Diverse question formats, Progress tracking and analytics, Customizable quizzes, Real-world problem-solving, Industry trend alignment

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is Smart.Grid free?

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

### Is Electric Power Systems Quiz free?

Electric Power Systems Quiz is free to download, with in-app purchases available.

### Do Smart.Grid or Electric Power Systems Quiz have ads?

Neither Smart.Grid nor Electric Power Systems Quiz shows ads.

### Which is updated more often, Smart.Grid or Electric Power Systems Quiz?

Smart.Grid ships an update every 3 months, and Electric Power Systems Quiz every 6 weeks. Most recently, Smart.Grid was updated on October 26, 2026 and Electric Power Systems Quiz on October 30, 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.*