# SensorCheck™ vs BILGE

The clearest difference is review sentiment: BILGE at 100% against SensorCheck™'s 0%. BILGE also leads on rating (4.3 vs 3.8) and update cadence (fortnightly vs every 3 months). On price, ratings volume, 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.

BILGE holds the better App Store score, 4.3 against 3.8. Both are backed by a comparable volume of ratings — 6 and 8 respectively. Written reviews point the same way: 0% of SensorCheck™'s written reviews are positive against 100% of BILGE's.

SensorCheck™ ships an update every 3 months, BILGE fortnightly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SensorCheck™ | BILGE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (6 ratings)](https://appshunter.io/ios/app/sensorcheck/id1062316790/reviews) | **[4.3 (8 ratings)](https://appshunter.io/ios/app/bilge-b-dry-3/id6471037586/reviews)** |
| Number of ratings | 6 | **8** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 30 MB | 36 MB |
| Requires iOS | **15.5** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Airmar Technology Inc.](https://appshunter.io/developer/1062316789) | [Neptunian Sky LLC](https://appshunter.io/developer/1612826073) |

## What reviewers say

### SensorCheck™

[App page](https://appshunter.io/ios/app/sensorcheck/id1062316790)

This app, when paired with a specific diagnostic tester, compares marine transducer performance against factory specifications. It accurately tests a wide range of frequencies and automatically generates test reports that can be shared. Technicians can also use it to submit warranty information.

**Highlights:** Compares transducer performance to factory specs, Tests traditional and CHIRP-ready transducers, Supports frequencies from 10 kHz to 500 kHz, Automatically reads XducerID® features, Generates and shares test reports, Enables warranty information submission

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

**In-app purchases:** none


### BILGE

[App page](https://appshunter.io/ios/app/bilge-b-dry-3/id6471037586)

Control your dry bilge pump system remotely. Schedule pump operation, monitor current status, and configure water sensors. View system event history with pump activity charts.

**Highlights:** Pump on demand, Scheduled run times, Current pump status display, Water sensor configuration, System event history, Pump activity charts

**In-app purchases:** none


## Frequently asked questions

### Is SensorCheck™ free?

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

### Is BILGE free?

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

### Which has better reviews, SensorCheck™ or BILGE?

BILGE is rated higher. SensorCheck™ averages 3.8 out of 5 from 6 ratings, while BILGE averages 4.3 from 8 ratings.

### Do SensorCheck™ or BILGE have ads?

Neither SensorCheck™ nor BILGE shows ads.

### Which is updated more often, SensorCheck™ or BILGE?

SensorCheck™ ships an update every 3 months, and BILGE fortnightly. Most recently, SensorCheck™ was updated on November 1, 2026 and BILGE on October 30, 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.*