# Rainbow Halo vs Logic Circuits Simulator

The clearest difference is update cadence: Logic Circuits Simulator at every 3 weeks against Rainbow Halo's every 3 months. Logic Circuits Simulator also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Rainbow Halo ships an update every 3 months, Logic Circuits Simulator every 3 weeks. The most recent releases landed on September 24, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Rainbow Halo | Logic Circuits Simulator |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Paid |
| Size | 3.0 GB | 3 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Edmund Lee](https://appshunter.io/developer/1212808877) | [Abdulhakim Aloraini](https://appshunter.io/developer/1825542423) |

## What reviewers say

### Rainbow Halo

[App page](https://appshunter.io/ios/app/rainbow-halo/id6743671185)

**Features:** macOS Compatibility, Game Controller support

**In-app purchases:** none


### Logic Circuits Simulator

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

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


## Frequently asked questions

### Is Rainbow Halo free?

Rainbow Halo costs $0.99, with no in-app purchases.

### Is Logic Circuits Simulator free?

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

### Do Rainbow Halo or Logic Circuits Simulator have ads?

Neither Rainbow Halo nor Logic Circuits Simulator shows ads.

### Which is updated more often, Rainbow Halo or Logic Circuits Simulator?

Rainbow Halo ships an update every 3 months, and Logic Circuits Simulator every 3 weeks. Most recently, Rainbow Halo was updated on September 24, 2026 and Logic Circuits Simulator on September 29, 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.*