PHS vs AxisStream Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PHS
This app analyzes and interprets thermal risk by calculating predicted heat strain based on user-entered data and ISO 7933:2004 formulas. It offers graphical illustrations and summaries to help manage thermal risks associated with tasks or environments.
- Thermal risk analysis
- Predicted heat strain calculations
- ISO 7933:2004 formula application
- Graphical illustration of heat strain
- Thermal risk management guidance
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The PHS application analyses and interprets thermal risk using calculations of predicted heat strain. The application applies predicted heat strain formulae outlined in ISO 7933:2004 Ergonomics of the thermal environment, to provide a graphical illustration and summary of predicted heat strain based on user entered data. The application may also be used to analyse methods of reducing or managing thermal risk associated with a task or environment. However, the application is to be used as a guide only. It does not provide safe/ unsafe working limits. A number of factors are not included in this assessment, such as: employee health conditions and the use of high level PPE (impermeable suits). There are limitations to the predicted heat strain calculations, once you approach the defined parameters outlined in Table A.1 within ISO 7933:2004. For more information about the application and to access a downloadable user guide for the application visit the Website at http://ergonomics.uq.edu.au/PHS/index.html. The development of this application was funded via a joint study between The University of Queensland, Faculty of Science and Rio Tinto. Developed at Stellar Science LTD.
AxisStream Mobile
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Take AxisStream into the field. AxisStream brings your farm's data together in one place: a single point of truth for agricultural data. The AxisStream app puts it in your hand. Check weather stations, soil probes and water tanks, map paddocks, complete forms and respond to alerts from the paddock, the ute or the office. Built in Australia by AxisTech for farms, stations and agricultural businesses, from a single property to multi-site operations, advisers and research programs. FARM MANAGEMENT IN ONE PLACE • Switch between the organisations, farms and projects in your AxisStream account • Pin the devices, reports and assets you check most to your home screen • See locations, assets and connected devices on the map • Role-based access, so each person sees what they need WEATHER FORECASTS FOR YOUR LOCATIONS • Current conditions, hourly outlook and 7-day forecast • Temperature, chance and amount of rain, wind speed and direction, humidity • Spray condition ratings to help you time spraying • Plan harvest, irrigation and livestock movements around the weather FARM MAP AND FIELD TOOLS • Paddocks, fences, water points and infrastructure over satellite imagery • Measure distance and area, sketch fence lines and mark affected ground • Log observations, geotagged photos and your track where you stand • Download map areas to keep working out of mobile coverage DEVICE DASHBOARDS • Weather stations: temperature, rainfall, wind, humidity and more • Soil probes: moisture and temperature at multiple depths • Water: tank levels and flow meters • Latest readings, history charts and devices that need attention DIGITAL FORMS AND RECORDS • Complete inspections, safety checklists and records on your phone • Add photos and supporting information • Submit straight to AxisStream: no paper, no double handling ALERTS • Notifications when a device reading crosses a threshold or an asset enters or leaves a geofence • Open the alert, see the reading and decide what to do WORKS WITH YOUR DEVICES AxisTech devices, plus supported third-party devices and platforms. An AxisStream account is required. The features you see depend on your project's plan and the devices connected to it.
Screenshots
Verdict
The clearest difference is update cadence: AxisStream Mobile at every 3 weeks against PHS's every 11 months. PHS's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PHS ships an update every 11 months, AxisStream Mobile every 3 weeks. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.
| Parameter | PHS | AxisStream Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 11 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 4 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | Kelly Johnstone | AxisTech |
In-app purchases
PHS
No in-app purchases
AxisStream Mobile
No in-app purchases









