# Sentron vs SpotView

The clearest difference is rating: SpotView at 5.0 against Sentron's 3.0. SpotView also leads on iOS requirement (13.0 vs 15.0). Sentron's advantage is update cadence (every 5 weeks vs every 5 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.

SpotView holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Sentron ships an update every 5 weeks, SpotView every 5 months. The most recent releases landed on October 8, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Sentron | SpotView |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/sentron/id1623135557/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spotview-spoton/id6467955454/reviews)** |
| Number of ratings | 2 | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | Free | Free |
| Size | 94 MB | 38 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sentron Europe B.V.](https://appshunter.io/developer/1623135559) | [Innoquest, Inc.](https://appshunter.io/developer/1709380794) |

## What reviewers say

### Sentron

[App page](https://appshunter.io/ios/app/sentron/id1623135557)

Transform your mobile device into a sophisticated pH meter. Connect wirelessly to specialized probes for accurate measurements in various applications. The app guides you through calibration, data logging, and export.

**Highlights:** Wireless pH/EC measurement, Bluetooth probe connectivity, Step-by-step calibration, Data logging and graphing, GPS data mapping, Automatic temperature compensation

**In-app purchases:** none


### SpotView

[App page](https://appshunter.io/ios/app/spotview-spoton/id6467955454)

This app enables remote screen viewing and data capture from Bluetooth-enabled meters. It records time, date, GPS coordinates, and sensor readings, allowing users to add notes and organize data on unique pages. Data can be exported as CSV files and visualized on geo maps.

**Highlights:** Remote screen viewing, Bluetooth meter integration, GPS coordinate data capture, User-added notes for data points, CSV file export, Geo mapping with satellite overlay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sentron free?

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

### Is SpotView free?

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

### Which has better reviews, Sentron or SpotView?

SpotView is rated higher. Sentron averages 3.0 out of 5 from 2 ratings, while SpotView averages 5.0 from 2 ratings.

### Do Sentron or SpotView have ads?

Neither Sentron nor SpotView shows ads.

### Which is updated more often, Sentron or SpotView?

Sentron ships an update every 5 weeks, and SpotView every 5 months. Most recently, Sentron was updated on October 8, 2026 and SpotView on September 15, 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.*