# iCircuit vs KPR 2

The clearest difference is price: KPR 2 at Free against iCircuit's $12.99. KPR 2 also leads on review sentiment (100% vs 61%) and in-app purchases (none vs 2). iCircuit's advantage is update cadence (every 4 weeks vs every 3 months) and device support (3 vs 1). On ads there is nothing between them.

KPR 2 is free to download; iCircuit costs $12.99 up front. iCircuit sells 2 in-app purchases, starting at $1.99 per month. KPR 2 asks for nothing beyond the download.

iCircuit ships an update every 4 weeks, KPR 2 every 3 months. The most recent releases landed on October 15, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | iCircuit | KPR 2 |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | **[3.8 (135 ratings)](https://appshunter.io/ios/app/icircuit/id383359044/reviews)** | — |
| Number of ratings | **135** | — |
| Positive reviews | 61.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 179 MB | 13 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Krueger Systems, Inc.](https://appshunter.io/developer/299293363) | [Keystone Property Reports Ltd](https://appshunter.io/developer/794893204) |

## What reviewers say

### iCircuit

[App page](https://appshunter.io/ios/app/icircuit/id383359044)

Design and simulate analog and digital electronic circuits in real-time. This app offers a comprehensive component library, built-in test equipment, and the ability to create custom elements. It's ideal for learning, prototyping, and validating designs without physical components.

**Highlights:** Real-time circuit simulation, Extensive component library (300+), Built-in test equipment (multimeter, oscilloscope), Programmable Arduino and PIC microcontroller support, Custom element creation and sharing, Audio simulation

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iCircuit Pro (Monthly) | $1.99 | per month |
| iCircuit Pro (Yearly) | $14.99 | per year |

**What reviewers like**

- 🚀 Great for learning and testing
- 👍 Intuitive and easy to use
- 💡 Programmable Arduino integration
- 👍 Useful for hobbyists and students

**What reviewers complain about**

- 🐛 Buggy and crashes frequently
- 🔧 Difficult to edit and delete components
- 🔧 Limited component library
- 🔧 Inaccurate simulation results in some cases

**Reported bugs**

- Oscilloscope and meter functions not working properly
- Saving and loading circuits can be unreliable
- Inconsistent behavior when rotating/flipping components
- Crashes when working with larger or more complex circuits

**Requested features**

- More components (e.g. transformers, triodes, MOSFETs)
- Ability to create custom components
- Frequency domain analysis (Bode plots, FFT)
- Improved wiring and component placement controls
- Better support for AC circuits and motors


### KPR 2

[App page](https://appshunter.io/ios/app/kpr-2/id946471261)

Generate professional property inspection reports directly from your mobile device. This tool helps property managers efficiently manage rental properties, identify issues early, and provide clear, tangible reports to clients. It offers customizable checklists and date-stamped photo integration.

**Highlights:** Create professional property inspection reports, Manage rental properties efficiently, Spot issues before they become serious, Customizable checklist format, Date and time stamped photo integration, Preview and edit reports on device

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iCircuit free?

iCircuit costs $12.99, and also offers in-app purchases.

### Is KPR 2 free?

KPR 2 is free to download, with no in-app purchases.

### Do iCircuit or KPR 2 have ads?

Neither iCircuit nor KPR 2 shows ads.

### Which is updated more often, iCircuit or KPR 2?

iCircuit ships an update every 4 weeks, and KPR 2 every 3 months. Most recently, iCircuit was updated on October 15, 2026 and KPR 2 on September 14, 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.*