# Optical Simulator vs Pulsar Metronome

The clearest difference is update cadence: Pulsar Metronome at every 2 months against Optical Simulator's every 4 months. Optical Simulator's advantage is iOS requirement (11.0 vs 18.0). 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.

Optical Simulator ships an update every 4 months, Pulsar Metronome every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Optical Simulator | Pulsar Metronome |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pulsar-metronome/id6775953854/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 82 MB | 4 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Treeview Studio SAS](https://appshunter.io/developer/1171912639) | [Bloomwise SAS](https://appshunter.io/developer/1895391174) |

## What reviewers say

### Optical Simulator

[App page](https://appshunter.io/ios/app/optical-simulator/id1536399422)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pulsar Metronome

[App page](https://appshunter.io/ios/app/pulsar-metronome/id6775953854)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Optical Simulator free?

Optical Simulator is free to download, with no in-app purchases.

### Is Pulsar Metronome free?

Pulsar Metronome is free to download, with no in-app purchases.

### Do Optical Simulator or Pulsar Metronome have ads?

Neither Optical Simulator nor Pulsar Metronome shows ads.

### Which is updated more often, Optical Simulator or Pulsar Metronome?

Optical Simulator ships an update every 4 months, and Pulsar Metronome every 2 months. Most recently, Optical Simulator was updated on October 25, 2026 and Pulsar Metronome on October 24, 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.*