# Rheonics SensorView vs Jotun Join

The clearest difference is update cadence: Jotun Join at every 6 weeks against Rheonics SensorView's every 33 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Rheonics SensorView ships an update every 33 months, Jotun Join every 6 weeks. The most recent releases landed on October 4, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Rheonics SensorView | Jotun Join |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rheonics-sensorview/id1557966204/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 25 MB | 46 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rheonics GmbH](https://appshunter.io/developer/1557966206) | [Jotun AS](https://appshunter.io/developer/466399355) |

## What reviewers say

### Rheonics SensorView

[App page](https://appshunter.io/ios/app/rheonics-sensorview/id1557966204)

Monitor Rheonics inline viscometers and density meters wirelessly via Bluetooth LE. View real-time measurements like viscosity, density, and temperature, with options to customize graphs. Future updates will include estimated parameters.

**Highlights:** Wireless Bluetooth LE connectivity, Real-time viscosity measurement, Real-time density measurement, Real-time temperature monitoring, Customizable real-time graphs, Future estimated parameter display

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

**In-app purchases:** none


### Jotun Join

[App page](https://appshunter.io/ios/app/jotun-join/id6763249066)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rheonics SensorView free?

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

### Is Jotun Join free?

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

### Do Rheonics SensorView or Jotun Join have ads?

Neither Rheonics SensorView nor Jotun Join shows ads.

### Which is updated more often, Rheonics SensorView or Jotun Join?

Rheonics SensorView ships an update every 33 months, and Jotun Join every 6 weeks. Most recently, Rheonics SensorView was updated on October 4, 2026 and Jotun Join on October 18, 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.*