# Solinst vs GHD SMARTApp

The clearest difference is rating: GHD SMARTApp at 2.4 against Solinst's 1.0. GHD SMARTApp also leads on update cadence (every 2 months vs every 5 months). Solinst's advantage is review sentiment (43% vs 33%). 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.

GHD SMARTApp holds the better App Store score, 2.4 against 1.0. Both are backed by a comparable volume of ratings — 7 and 12 respectively. Written reviews complicate that: 43% of Solinst's written reviews are positive against 33% of GHD SMARTApp's, so the app with the better star average is not the one people write more warmly about.

Solinst ships an update every 5 months, GHD SMARTApp every 2 months. The most recent releases landed on September 5, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Solinst | GHD SMARTApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (7 ratings)](https://appshunter.io/ios/app/solinst/id854408232/reviews) | **[2.4 (12 ratings)](https://appshunter.io/ios/app/ghd-smartapp/id1438488464/reviews)** |
| Number of ratings | 7 | **12** |
| Positive reviews | **42.9% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 19 MB | 23 MB |
| Requires iOS | 16.2 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Solinst Canada Ltd.](https://appshunter.io/developer/854408235) | [GHD Services Pty. Ltd.](https://appshunter.io/developer/1438488463) |

## 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


### GHD SMARTApp

[App page](https://appshunter.io/ios/app/ghd-smartapp/id1438488464)

This app allows users to report incidents, hazards, positive interactions, and conduct pre-work assessments in the field to improve workplace safety. It supports offline reporting and includes discussion cards for safety meetings.

**Highlights:** Incident reporting, Hazard reporting, Positive interaction reporting, Pre-work assessments, Offline reporting, Safety discussion cards

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

**In-app purchases:** none


## Frequently asked questions

### Is Solinst free?

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

### Is GHD SMARTApp free?

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

### Which has better reviews, Solinst or GHD SMARTApp?

GHD SMARTApp is rated higher. Solinst averages 1.0 out of 5 from 7 ratings, while GHD SMARTApp averages 2.4 from 12 ratings.

### Do Solinst or GHD SMARTApp have ads?

Neither Solinst nor GHD SMARTApp shows ads.

### Which is updated more often, Solinst or GHD SMARTApp?

Solinst ships an update every 5 months, and GHD SMARTApp every 2 months. Most recently, Solinst was updated on September 5, 2026 and GHD SMARTApp on September 3, 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.*