# Flash Drive vs Signal Sleuth

The clearest difference is in-app purchases: Flash Drive at none against Signal Sleuth's 3. Flash Drive also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). Signal Sleuth's advantage is update cadence (daily vs every 5 weeks). On price and ads there is nothing between them.

Both are free to download. Signal Sleuth sells 3 in-app purchases, starting at $1.99 per 7 days. Flash Drive asks for nothing beyond the download.

Flash Drive ships an update every 5 weeks, Signal Sleuth daily. The most recent releases landed on October 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Flash Drive | Signal Sleuth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/signal-sleuth/id6760551754/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | — | Freemium |
| Size | 39 MB | 4 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Flash Drive Motors](https://appshunter.io/developer/1820292882) | [LUKE WILLIAM ROACH](https://appshunter.io/developer/1880244380) |

## What reviewers say

### Flash Drive

[App page](https://appshunter.io/ios/app/flash-drive/id6747211115)

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

**In-app purchases:** none


### Signal Sleuth

[App page](https://appshunter.io/ios/app/signal-sleuth/id6760551754)

Locate nearby Bluetooth Low Energy devices and identify your own. The app offers a free passive scanning mode and a VIP finder mode for focused targeting with signal guidance. Unlock advanced features like manual probing and custom rules with a subscription.

**Highlights:** Passive BLE scanning, Targeted finder mode, Warming/cooling signal guidance, Manual probing, Custom rule imports, VIP subscription for advanced features

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Weekly | $1.99 | per 7 days |
| VIP Monthly | $5.99 | per month |
| VIP Yearly | $39.99 | per year |


## Frequently asked questions

### Is Flash Drive free?

Flash Drive is free to download, with no in-app purchases.

### Is Signal Sleuth free?

Signal Sleuth is free to download, with in-app purchases available.

### Do Flash Drive or Signal Sleuth have ads?

Neither Flash Drive nor Signal Sleuth shows ads.

### Which is updated more often, Flash Drive or Signal Sleuth?

Flash Drive ships an update every 5 weeks, and Signal Sleuth daily. Most recently, Flash Drive was updated on October 9, 2026 and Signal Sleuth on October 28, 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.*