Donaldson Hy vs Fleet Priority
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Donaldson Hy
This tool helps calculate hydraulic component contamination levels and flow rates. It also features a viscosity calculator and an element lookup for upgrades or replacements.
- Contamination calculation (Lbs or Kg)
- Flow rate calculation
- Viscosity calculator
- Element interchange/cross-reference
- Unit of measurement selection
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Calculate the amount of contamination (Lbs or Kg) that passes through hydraulic components and bearings annually by selecting a unit of measurement, flow rate, hours/days, the current, and target ISO codes. Calculate the flow rate by entering the inside pipe diameter and the velocity to receive gallons per minute or other periods or units of measurement. To use the viscosity calculator, select the temperature and then the ISO code to calculate centistokes. You can enter an element to look up nearly any Hy-Pro element upgrade or replacement with the interchange or cross-reference tool.
Fleet Priority
This app allows drivers to create and complete DVIRs (Driver Vehicle Inspection Reports) directly from their mobile devices. It integrates with an existing web account, offering a streamlined process for vehicle inspections on the go without additional sign-ups or in-app purchases.
- Create and complete DVIRs on the go
- Integrates with existing web accounts
- No additional sign-ups required
- Streamlined vehicle inspection process
- Companion app for Fleet Priority
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Companion App for FleetPriority! Create and Complete your DVIRs on the go! No added signups, registers, or payments required. Just use your existing account or create a new one on our website to begin! There are no in app purchases, just download and use!
Screenshots
Verdict
The clearest difference is update cadence: Fleet Priority at every 2 weeks against Donaldson Hy's every 7 months. On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for Donaldson Hy against 5.0 for Fleet Priority. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Donaldson Hy ships an update every 7 months, Fleet Priority every 2 weeks. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.
| Parameter | Donaldson Hy | Fleet Priority |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 7 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 26 MB | 31 MB |
| Age rating | 4+ | 17+ |
| Developer | Hy-Pro Filtration | ImagiNET |
Customer experience
Donaldson Hy
Fleet Priority
In-app purchases
Donaldson Hy
No in-app purchases
Fleet Priority
No in-app purchases
Questions
Is Donaldson Hy free?
Is Fleet Priority free?
Which has better reviews, Donaldson Hy or Fleet Priority?
Do Donaldson Hy or Fleet Priority have ads?
Which is updated more often, Donaldson Hy or Fleet Priority?
Other comparisons
