# Voltgo Bluetooth vs Signal Advisor

The clearest difference is rating: Voltgo Bluetooth at 5.0 against Signal Advisor's 1.5. Signal Advisor's advantage is ratings volume (15 vs 1) and iOS requirement (12.0 vs 14.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Voltgo Bluetooth holds the better App Store score, 5.0 against 1.5. That said, the two scores are not equally well evidenced: Signal Advisor has 15 ratings behind it against 1, so its average is the more settled of the two.

Voltgo Bluetooth ships an update every 2 months, Signal Advisor every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Voltgo Bluetooth | Signal Advisor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/voltgo-bluetooth/id6449036442/reviews)** | [1.5 (15 ratings)](https://appshunter.io/ios/app/signal-advisor/id6466154054/reviews) |
| Number of ratings | 1 | **15** |
| Positive reviews | — | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 6 MB | 19 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen zetara power system Co.,LTD](https://appshunter.io/developer/1774419082) | [广伟 张](https://appshunter.io/developer/1652167270) |

## What reviewers say

### Voltgo Bluetooth

[App page](https://appshunter.io/ios/app/voltgo-bluetooth/id6449036442)

Monitor your device's battery health in real-time. This tool app uses Bluetooth to display crucial metrics like current, temperature, and voltage.

**Highlights:** Monitor battery currency, Check battery temperature, View battery voltage, Bluetooth connectivity, Battery health status

**In-app purchases:** none


### Signal Advisor

[App page](https://appshunter.io/ios/app/signal-advisor/id6466154054)

This utility helps users install cell phone signal boosters by testing signal strength, identifying base station direction, and connecting to boosters for adjustment and monitoring. It offers guidance and support to ensure optimal signal performance for homes and offices.

**Highlights:** Test signal strength and frequency band, Find base station direction, Connect to booster via Bluetooth, Adjust booster gain, Monitor booster operating status, Installation video guides, Live chat support

**In-app purchases:** none


## Frequently asked questions

### Is Voltgo Bluetooth free?

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

### Is Signal Advisor free?

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

### Which has better reviews, Voltgo Bluetooth or Signal Advisor?

Voltgo Bluetooth is rated higher. Voltgo Bluetooth averages 5.0 out of 5 from 1 ratings, while Signal Advisor averages 1.5 from 15 ratings.

### Do Voltgo Bluetooth or Signal Advisor have ads?

Neither Voltgo Bluetooth nor Signal Advisor shows ads.

### Which is updated more often, Voltgo Bluetooth or Signal Advisor?

Voltgo Bluetooth ships an update every 2 months, and Signal Advisor every 3 months. Most recently, Voltgo Bluetooth was updated on October 24, 2026 and Signal Advisor 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.*