# Logic Circuits Simulator vs Bias Handbook

The clearest difference is chart position: Logic Circuits Simulator at #130 against Bias Handbook's unranked. Logic Circuits Simulator also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Logic Circuits Simulator costs $0.99 and Bias Handbook $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Logic Circuits Simulator | Bias Handbook |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Paid | — |
| Best chart rank | **#130** | — |
| Size | 3 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Abdulhakim Aloraini](https://appshunter.io/developer/1825542423) | [Stepapp, Inc.](https://appshunter.io/developer/1584132042) |

## What reviewers say

### Logic Circuits Simulator

[App page](https://appshunter.io/ios/app/logic-circuits-simulator/id6748374538)

**Currently charting:** #130 Top Paid · Education (US App Store)

Design and simulate digital logic circuits with standard gates, sequential logic, and Karnaugh maps. Features schematic-quality wire routing and reusable custom chips. Export truth tables and circuit designs for reports and sharing.

**Highlights:** IEEE-standard logic gates, Sequential logic simulation, Karnaugh map minimization, Schematic-quality wire routing, Reusable custom chips, Truth table generation, iCloud sync across devices

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

**In-app purchases:** none


### Bias Handbook

[App page](https://appshunter.io/ios/app/bias-handbook/id6767604061)

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

**In-app purchases:** none


## Frequently asked questions

### Is Logic Circuits Simulator free?

Logic Circuits Simulator costs $0.99, with no in-app purchases.

### Is Bias Handbook free?

Bias Handbook costs $0.99, with no in-app purchases.

### Do Logic Circuits Simulator or Bias Handbook have ads?

Neither Logic Circuits Simulator nor Bias Handbook shows ads.

### Which is updated more often, Logic Circuits Simulator or Bias Handbook?

Logic Circuits Simulator ships an update every 3 weeks, and Bias Handbook every 3 weeks. Most recently, Logic Circuits Simulator was updated on October 14, 2026 and Bias Handbook on October 7, 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.*