# eSim

> Electric circuit simulator for analog and digital components. (iPhone/iPad app by 栋侠 郑.)

- Source: https://appshunter.io/ios/app/esim/id1549444491 (this page in markdown: same URL + `.md`)
- Developer: [栋侠 郑](https://appshunter.io/developer/1549440619)
- Category: Education, Utilities
- Price: $0.99 (on sale, was $6.99)
- Rating: 1.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 92 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2021-01-23
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/esim/id1549444491/reviews.md

## What is eSim?

eSim is a electric simulator. It can simulate analog circuit, digital circuit.
It support: Resistor, Capacitor, Inductor, Voltage source, BJT, MOS, Diode, Zener, ....

## Key features

- Analog circuit simulation
- Digital circuit simulation
- Component library (Resistor, Capacitor, Inductor, etc.)
- BJT and MOS transistor simulation
- Diode and Zener diode simulation

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/esim/id1549444491/reviews.md

### 1/5 — eSim seems to be a display of unknown

*2021-02-14, version 1.0*

Looks like a spice program but no apparent way to alter component values, no way apparent way to change the example “simulations” provided with the package.

**Developer response:** Long press the device can pop out context menu, then can select to change property value

## Frequently asked questions about eSim

### What kind of circuits can eSim simulate?

eSim can simulate both analog and digital electrical circuits. This includes components like resistors, capacitors, inductors, BJTs, MOS transistors, diodes, and Zener diodes.

### What devices is eSim compatible with?

eSim is available for iPhone, iPad, and iPod devices. It is designed to run on Apple's mobile operating system.

### How much does eSim cost?

eSim is a paid application with a price of $0.99. There are no in-app purchases or subscriptions required after the initial purchase.

### What is the age rating for eSim?

eSim has an age rating of 4+, making it suitable for a wide range of users. This indicates it contains no mature content.

### When was eSim last updated?

eSim was last updated on January 23, 2021, with version 1.0. The app was initially released on the same date.

### What is the user feedback on eSim?

Currently, eSim has a rating of 1.0 stars from 1 rating. This indicates very limited user feedback is available at this time.

### Does eSim offer any certifications for completing simulations?

The provided information does not mention any certifications or formal progress tracking features within eSim. It is primarily a simulation tool for experimentation.

## Version history (last 1 release)

### 1.0 — 2021-01-23

No release notes.

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## More apps by 栋侠 郑

- [xCircuit](https://appshunter.io/ios/app/xcircuit/id1553675867)
- [CircuitWay - Circuit Simulator](https://appshunter.io/ios/app/circuitway-circuit-simulator/id6751744974)

All apps by 栋侠 郑: https://appshunter.io/developer/1549440619

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*