# Multisim Circuit Explorer vs PHP Programming Guide

The clearest difference is update cadence: PHP Programming Guide at every 2 months against Multisim Circuit Explorer's every 10 months. Multisim Circuit Explorer's advantage is iOS requirement (4.2 vs 17.0). On price, ads, 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.

Multisim Circuit Explorer ships an update every 10 months, PHP Programming Guide every 2 months. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Multisim Circuit Explorer | PHP Programming Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (8 ratings)](https://appshunter.io/ios/app/multisim-circuit-explorer/id502586865/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 1 MB | 13 MB |
| Requires iOS | **4.2** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [National Instruments](https://appshunter.io/developer/432100099) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Multisim Circuit Explorer

[App page](https://appshunter.io/ios/app/multisim-circuit-explorer/id502586865)

Explore and understand 18 common electronic circuits, including Ohm's law and operational amplifiers. This companion app allows immediate observation of parameter changes on circuit behavior. It's designed for students learning fundamental circuit theory.

**Highlights:** Explore 18 common electronic circuits, Observe immediate parameter effect, Learn Ohm's law, Understand voltage and current dividers, Study RC/RL filters and step response, Explore operational amplifiers

**Features:** macOS Compatibility

**In-app purchases:** none


### PHP Programming Guide

[App page](https://appshunter.io/ios/app/php-programming-guide/id6748204544)

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

**In-app purchases:** none


## Frequently asked questions

### Is Multisim Circuit Explorer free?

Multisim Circuit Explorer is free to download, with no in-app purchases.

### Is PHP Programming Guide free?

PHP Programming Guide is free to download, with no in-app purchases.

### Do Multisim Circuit Explorer or PHP Programming Guide have ads?

Neither Multisim Circuit Explorer nor PHP Programming Guide shows ads.

### Which is updated more often, Multisim Circuit Explorer or PHP Programming Guide?

Multisim Circuit Explorer ships an update every 10 months, and PHP Programming Guide every 2 months. Most recently, Multisim Circuit Explorer was updated on November 6, 2026 and PHP Programming Guide 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.*