# Smart Logic Simulator vs Root Notes

The clearest difference is update cadence: Root Notes at every 4 days against Smart Logic Simulator's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Smart Logic Simulator sells 1 one-off in-app purchase and Root Notes sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Smart Logic Simulator ships an update every 2 months, Root Notes every 4 days. The most recent releases landed on October 24, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Smart Logic Simulator | Root Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/smart-logic-simulator/id6742043778/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 59 MB | 5 MB |
| Requires iOS | 15.3 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tomasz Czart](https://appshunter.io/developer/1796528140) | [Cem Kamiloglu](https://appshunter.io/developer/1759947697) |

## What reviewers say

### Smart Logic Simulator

[App page](https://appshunter.io/ios/app/smart-logic-simulator/id6742043778)

Design and simulate digital circuits using a drag-and-drop interface. Experiment with various logic gates, flip-flops, and arithmetic circuits to build complex systems. Ideal for students and hobbyists interested in electronics.

**Highlights:** Drag-and-drop circuit design, Logic gate simulation, Integrated circuit design, Flip-flops and latches, Multiplexers and demultiplexers, Arithmetic circuit design

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One-time fee | $29.99 | one-time |


### Root Notes

[App page](https://appshunter.io/ios/app/root-notes-learn-sheet-music/id6804200349)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | one-time |


## Frequently asked questions

### Is Smart Logic Simulator free?

Smart Logic Simulator is free to download, with in-app purchases available.

### Is Root Notes free?

Root Notes is free to download, with in-app purchases available.

### Do Smart Logic Simulator or Root Notes have ads?

Neither Smart Logic Simulator nor Root Notes shows ads.

### Which is updated more often, Smart Logic Simulator or Root Notes?

Smart Logic Simulator ships an update every 2 months, and Root Notes every 4 days. Most recently, Smart Logic Simulator was updated on October 24, 2026 and Root Notes on November 1, 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.*