# Sensor vs HB

The clearest difference is price: Sensor at Free against HB's $1.99. HB's advantage is review sentiment (100% vs 56%) and ads (none vs shown). On in-app purchases and device support there is nothing between them.

Sensor is free to download; HB costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sensor ships an update every 2 months, HB every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Sensor | HB |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/sensor-app/id1466399692/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 55.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 48 MB | 3 MB |
| Requires iOS | 27.0 | **17.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Volker Schmitt](https://appshunter.io/developer/1466399691) | [Bernhard Halbauer](https://appshunter.io/developer/957869547) |

## What reviewers say

### Sensor

[App page](https://appshunter.io/ios/app/sensor-app/id1466399692)

Access and utilize all your device's sensors with this comprehensive tool. Explore GPS, gyroscope, acceleration, magnetometer, altimeter, and attitude data for various applications and research.

**Highlights:** Access GPS for precise location, Utilize gyroscope for orientation, Measure acceleration and movement, Detect magnetic fields with magnetometer, Access altimeter and pressure data, Monitor device attitude (roll, pitch, yaw)

**Features:** Apple Watch app

**In-app purchases:** none


### HB

[App page](https://appshunter.io/ios/app/hb-spritpreise/id6749324201)

Find the best gas and diesel prices in your area with real-time updates on a map or list. Features include price alerts, navigation, and sorting options to help you save money.

**Highlights:** Real-time fuel prices (Diesel, E10, E5), Map and list view with color-coded prices, CarPlay integration, Sort stations by price or distance, Price alerts and notifications, Navigation to stations, Favorite stations

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

**In-app purchases:** none


## Frequently asked questions

### Is Sensor free?

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

### Is HB free?

HB costs $1.99, with no in-app purchases.

### Do Sensor or HB have ads?

Sensor shows ads; HB does not.

### Which is updated more often, Sensor or HB?

Sensor ships an update every 2 months, and HB every 3 weeks. Most recently, Sensor was updated on October 24, 2026 and HB 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.*