# Senso4s vs Bulltron

The clearest difference is iOS requirement: Bulltron at 11.0 against Senso4s's 15.0. On price, review sentiment, update cadence and ads there is nothing between them.

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

Senso4s ships an update every 6 weeks, Bulltron every 2 months. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Senso4s | Bulltron |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/bulltron/id6529534051/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **20.7% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 91 MB | 35 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Senso4s d.o.o.](https://appshunter.io/developer/1447741982) | [Bulltron GmbH](https://appshunter.io/developer/1756463514) |

## What reviewers say

### Senso4s

[App page](https://appshunter.io/ios/app/senso4s/id1447741983)

Monitor your daily gas consumption in cylinders with this app, connecting to a smart device for real-time levels and historical data. It accurately predicts when you'll run out of gas and allows sharing access with others for enhanced safety and convenience.

**Highlights:** Real-time gas level monitoring, Graphical history of gas consumption, Accurate gas run-out prediction, Connect multiple devices, Share device access with others, User-friendly interface

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

**In-app purchases:** none


### Bulltron

[App page](https://appshunter.io/ios/app/bulltron/id6529534051)

Monitor up to 6 batteries simultaneously via Bluetooth or Wi-Fi. View real-time data like temperature, voltage, and capacity. Customize alarms, calibrate settings, and update firmware remotely.

**Highlights:** Monitor up to 6 batteries, Bluetooth and Wi-Fi connectivity, Real-time data display (temp, voltage, current, capacity), Customizable alarms, Battery calibration, Firmware updates, Remote monitoring

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

**In-app purchases:** none


## Frequently asked questions

### Is Senso4s free?

Senso4s is free to download, with no in-app purchases.

### Is Bulltron free?

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

### Do Senso4s or Bulltron have ads?

Neither Senso4s nor Bulltron shows ads.

### Which is updated more often, Senso4s or Bulltron?

Senso4s ships an update every 6 weeks, and Bulltron every 2 months. Most recently, Senso4s was updated on October 16, 2026 and Bulltron on October 19, 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.*