# Solinst vs Affinity+ Field Utility

The clearest difference is rating: Affinity+ Field Utility at 3.5 against Solinst's 1.0. Affinity+ Field Utility also leads on update cadence (every 6 weeks vs every 5 months). Solinst's advantage is ratings volume (7 vs 2) and iOS requirement (16.2 vs 18.0). 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.

Affinity+ Field Utility holds the better App Store score, 3.5 against 1.0. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

Solinst ships an update every 5 months, Affinity+ Field Utility every 6 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Solinst | Affinity+ Field Utility |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (7 ratings)](https://appshunter.io/ios/app/solinst/id854408232/reviews) | **[3.5 (2 ratings)](https://appshunter.io/ios/app/affinity-plus-field-utility/id1613603019/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 19 MB | 84 MB |
| Requires iOS | **16.2** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Solinst Canada Ltd.](https://appshunter.io/developer/854408235) | [R.S.T. Instruments Ltd](https://appshunter.io/developer/1613603021) |

## What reviewers say

### Solinst

[App page](https://appshunter.io/ios/app/solinst/id854408232)

This app enables wireless communication with Solinst dataloggers for programming, data download, and diagnostics. It allows for efficient field data collection by leveraging smartphone technology, eliminating the need for laptops. Users can also perform field calibrations for conductivity monitoring.

**Highlights:** Wireless datalogger communication, Start/stop sampling, Data downloading and emailing, Scheduled and repeat sampling, GPS coordinate logging, Datalogger diagnostics, Field calibration

**Features:** Vision Pro support

**In-app purchases:** none


### Affinity+ Field Utility

[App page](https://appshunter.io/ios/app/affinity-plus-field-utility/id1613603019)

This application simplifies the setup of data communication networks for the geotechnical industry. It automates sensor configuration by scanning digital tags, saving significant installation time and effort in the field. The app provides a user-friendly interface for managing and monitoring instrumentation networks.

**Highlights:** Automated sensor configuration, Bluetooth data logger integration, Digital tag scanning for instruments, Site-based network management, Remote monitoring with alerts and alarms, Data visualization and reporting

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Solinst free?

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

### Is Affinity+ Field Utility free?

Affinity+ Field Utility is free to download, with no in-app purchases.

### Which has better reviews, Solinst or Affinity+ Field Utility?

Affinity+ Field Utility is rated higher. Solinst averages 1.0 out of 5 from 7 ratings, while Affinity+ Field Utility averages 3.5 from 2 ratings.

### Do Solinst or Affinity+ Field Utility have ads?

Neither Solinst nor Affinity+ Field Utility shows ads.

### Which is updated more often, Solinst or Affinity+ Field Utility?

Solinst ships an update every 5 months, and Affinity+ Field Utility every 6 weeks. Most recently, Solinst was updated on October 24, 2026 and Affinity+ Field Utility 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.*