# LETS SIGNAL vs Flapboard Display

The clearest difference is in-app purchases: Flapboard Display at none against LETS SIGNAL's 1. Flapboard Display also leads on ads (none vs shown) and update cadence (every 10 days vs every 2 months). LETS SIGNAL's advantage is iOS requirement (15.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. LETS SIGNAL sells 1 one-off in-app purchase. Flapboard Display asks for nothing beyond the download.

LETS SIGNAL ships an update every 2 months, Flapboard Display every 10 days. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | LETS SIGNAL | Flapboard Display |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (13 ratings)](https://appshunter.io/ios/app/lets-signal/id1627839408/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 68 MB | 13 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masao Nakajima](https://appshunter.io/developer/1537219074) | [JR Wymer](https://appshunter.io/developer/6790221775) |

## What reviewers say

### LETS SIGNAL

[App page](https://appshunter.io/ios/app/lets-signal/id1627839408)

Simulate realistic traffic signals and crosswalks from around the world. Customize signal timings and experience different country variations. Upgrade to unlock car traffic lights.

**Highlights:** Realistic crosswalk signal simulation, 7 crosswalk signals from 4 countries, Customizable waiting, lighting, and flashing times, Unlock car traffic lights with premium upgrade, Push button operation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Premium | $3.99 | one-time |


### Flapboard Display

[App page](https://appshunter.io/ios/app/flapboard-display/id6791225071)

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

**In-app purchases:** none


## Frequently asked questions

### Is LETS SIGNAL free?

LETS SIGNAL is free to download, with in-app purchases available.

### Is Flapboard Display free?

Flapboard Display is free to download, with no in-app purchases.

### Do LETS SIGNAL or Flapboard Display have ads?

LETS SIGNAL shows ads; Flapboard Display does not.

### Which is updated more often, LETS SIGNAL or Flapboard Display?

LETS SIGNAL ships an update every 2 months, and Flapboard Display every 10 days. Most recently, LETS SIGNAL was updated on November 3, 2026 and Flapboard Display on October 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.*