# Smart Device Detector & Signal vs Volt

The clearest difference is review sentiment: Smart Device Detector & Signal at 46% against Volt's 0%. Smart Device Detector & Signal also leads on rating (4.3 vs 3.2) and ratings volume (414 vs 5). Volt's advantage is in-app purchases (none vs 2) and update cadence (every 4 days vs fortnightly). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Smart Device Detector & Signal sells 2 in-app purchases, starting at $11.99 per 7 days. Volt asks for nothing beyond the download.

Smart Device Detector & Signal holds the better App Store score, 4.3 against 3.2. That said, the two scores are not equally well evidenced: Smart Device Detector & Signal has 414 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 46% of Smart Device Detector & Signal's written reviews are positive against 0% of Volt's.

Smart Device Detector & Signal ships an update fortnightly, Volt every 4 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Smart Device Detector & Signal | Volt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (414 ratings)](https://appshunter.io/ios/app/smart-device-detector-and-signal/id6756376176/reviews)** | [3.2 (5 ratings)](https://appshunter.io/ios/app/volt/id6775869173/reviews) |
| Number of ratings | **414** | 5 |
| Positive reviews | **46.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Freemium | **Free** |
| Size | 102 MB | 46 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [REATIVE IMPACT](https://appshunter.io/developer/1860336330) | [Ahmed Abuzrara](https://appshunter.io/developer/1654325616) |

## What reviewers say

### Smart Device Detector & Signal

[App page](https://appshunter.io/ios/app/smart-device-detector-and-signal/id6756376176)

Analyze your surroundings with tools that focus on connected devices, local signals, and network information. Understand Wi-Fi and Bluetooth activity, check magnetic fields, and measure network speed in a clear interface.

**Highlights:** Wi-Fi device overview, Bluetooth signal strength, Magnetic field meter, Network speed test, Email address lookup

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scanory Pro 1 week | $11.99 | per 7 days |
| Scanory Pro 1 week | $13.99 | per 7 days |


### Volt

[App page](https://appshunter.io/ios/app/volt/id6775869173)

Rent a power bank from the nearest station to charge your phone anytime. Scan a QR code, select a power bank, and start using it within seconds. Track your rental status, duration, and cost easily.

**Highlights:** Rent power banks, Scan QR codes to rent, Track rental status, Find nearest stations, Charge phone on-the-go

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Device Detector & Signal free?

Smart Device Detector & Signal is free to download, with in-app purchases available.

### Is Volt free?

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

### Which has better reviews, Smart Device Detector & Signal or Volt?

Smart Device Detector & Signal is rated higher. Smart Device Detector & Signal averages 4.3 out of 5 from 414 ratings, while Volt averages 3.2 from 5 ratings.

### Do Smart Device Detector & Signal or Volt have ads?

Neither Smart Device Detector & Signal nor Volt shows ads.

### Which is updated more often, Smart Device Detector & Signal or Volt?

Smart Device Detector & Signal ships an update fortnightly, and Volt every 4 days. Most recently, Smart Device Detector & Signal was updated on November 9, 2026 and Volt on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*