# Signal Light vs Smart scouter

The clearest difference is price: Smart scouter at Free against Signal Light's $0.99. Smart scouter also leads on update cadence (every 3 weeks vs every 25 months). Signal Light's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support there is nothing between them.

Smart scouter is free to download; Signal Light costs $0.99 up front. Smart scouter sells 3 one-off in-app purchases. Signal Light asks for nothing beyond the download.

Signal Light ships an update every 25 months, Smart scouter every 3 weeks. The most recent releases landed on September 8, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Signal Light | Smart scouter |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/signal-light/id1031126579/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 25 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 21 MB | 34 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bryan Wu](https://appshunter.io/developer/1002993092) | [Mutsumi Kubo](https://appshunter.io/developer/1738725654) |

## What reviewers say

### Signal Light

[App page](https://appshunter.io/ios/app/signal-light/id1031126579)

Communicate with others using Morse code via your device's flash. This tool is useful for signaling in various situations, from camping to emergencies, and can also function as a manual strobe light.

**Highlights:** Morse code communication, Manual strobe light, SOS signaling, Line-of-sight tool, Flashlight spotlight

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart scouter

[App page](https://appshunter.io/ios/app/smart-scouter/id6738387639)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| charge 100 | $0.49 | one-time |
| charge 300 | $1.99 | one-time |
| charge 500 | $2.99 | one-time |


## Frequently asked questions

### Is Signal Light free?

Signal Light costs $0.99, with no in-app purchases.

### Is Smart scouter free?

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

### Do Signal Light or Smart scouter have ads?

Smart scouter shows ads; Signal Light does not.

### Which is updated more often, Signal Light or Smart scouter?

Signal Light ships an update every 25 months, and Smart scouter every 3 weeks. Most recently, Signal Light was updated on September 8, 2026 and Smart scouter on September 12, 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.*