# Senstream vs trinamiX Spectroscopy

The clearest difference is rating: Senstream at 4.3 against trinamiX Spectroscopy's 4.0. Senstream also leads on ratings volume (3 vs 1). trinamiX Spectroscopy's advantage is update cadence (monthly vs every 3 months) and iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Senstream holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Senstream ships an update every 3 months, trinamiX Spectroscopy monthly. The most recent releases landed on September 19, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Senstream | trinamiX Spectroscopy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/senstream/id1297743398/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/trinamix-spectroscopy/id1540117635/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 19 MB | 130 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Senstream, Inc.](https://appshunter.io/developer/1297743397) | [trinamiX GmbH](https://appshunter.io/developer/1540117637) |

## What reviewers say

### Senstream

[App page](https://appshunter.io/ios/app/senstream/id1297743398)

This app records physiological signal data from a wearable ring, capturing electrodermal activity, ECG, PPG, temperature, and motion. It connects to the cloud for powerful data analysis, enabling new types of research.

**Highlights:** Electrodermal activity (EDA/GSR) capture, ECG and PPG data recording, Temperature and motion sensing, Mobile and cloud data synchronization, BIOPAC integration

**In-app purchases:** none


### trinamiX Spectroscopy

[App page](https://appshunter.io/ios/app/trinamix-spectroscopy/id1540117635)

This app leverages mobile near-infrared spectroscopy to provide accessible and affordable data analysis beyond industrial settings. It helps users make informed decisions by revealing invisible information through powerful sensors and sophisticated data analysis, displayed conveniently on smartphones and tablets.

**Highlights:** Mobile Near Infrared (NIR) Spectroscopy, Affordable and accessible beyond labs, Powerful sensors and sophisticated data analysis, Fast measurement results (under 5 seconds), QR and barcode scanning for sample naming, In-app results display and documentation, Data linking to internal systems

**In-app purchases:** none


## Frequently asked questions

### Is Senstream free?

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

### Is trinamiX Spectroscopy free?

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

### Which has better reviews, Senstream or trinamiX Spectroscopy?

Senstream is rated higher. Senstream averages 4.3 out of 5 from 3 ratings, while trinamiX Spectroscopy averages 4.0 from 1 ratings.

### Do Senstream or trinamiX Spectroscopy have ads?

Neither Senstream nor trinamiX Spectroscopy shows ads.

### Which is updated more often, Senstream or trinamiX Spectroscopy?

Senstream ships an update every 3 months, and trinamiX Spectroscopy monthly. Most recently, Senstream was updated on September 19, 2026 and trinamiX Spectroscopy on September 7, 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.*