# IEE Business vs Series Parallel Circuit Solver

The clearest difference is ads: IEE Business at none against Series Parallel Circuit Solver's shown. IEE Business also leads on update cadence (every 3 weeks vs every 24 months) and iOS requirement (13.0 vs 15.5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IEE Business ships an update every 3 weeks, Series Parallel Circuit Solver every 24 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | IEE Business | Series Parallel Circuit Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (4 ratings)](https://appshunter.io/ios/app/series-parallel-circuit-solver/id6737332345/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 24 months |
| Monetization | — | Ad-supported |
| Size | 97 MB | 35 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Zhejiang Wone IT Service Co., Ltd.](https://appshunter.io/developer/1750407410) | [Muhammad Awais Younas](https://appshunter.io/developer/1771187232) |

## What reviewers say

### IEE Business

[App page](https://appshunter.io/ios/app/iee-business/id6503928704)

**Features:** Vision Pro support

**In-app purchases:** none


### Series Parallel Circuit Solver

[App page](https://appshunter.io/ios/app/series-parallel-circuit-solver/id6737332345)

Calculate resistors, capacitors, and inductors in series and parallel circuits. This tool simplifies complex electrical circuit analysis for professionals and students, providing instant, accurate results for various configurations.

**Highlights:** Series and parallel calculations, Resistor, capacitor, and inductor calculation, Mixed circuit solver, User-friendly interface, Instant results, Circuit analysis

**In-app purchases:** none


## Frequently asked questions

### Is IEE Business free?

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

### Is Series Parallel Circuit Solver free?

Series Parallel Circuit Solver is free to download, with no in-app purchases.

### Do IEE Business or Series Parallel Circuit Solver have ads?

Series Parallel Circuit Solver shows ads; IEE Business does not.

### Which is updated more often, IEE Business or Series Parallel Circuit Solver?

IEE Business ships an update every 3 weeks, and Series Parallel Circuit Solver every 24 months. Most recently, IEE Business was updated on October 25, 2026 and Series Parallel Circuit Solver 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.*