Hydraulic Power Unit vs witNAV
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Hydraulic Power Unit
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The Hydraulic Power Unit Calculator can be used to determine the electrical power required for specific flow and pressure parameters. User can enter values for pump efficiency, oil flow and hydraulic pressure. Calculations will be made to determine required motor power. The user can then select or enter custom power source specifications (Voltage, Single/3 Phase, Power Factor, Motor Efficiency) to determine the amperage draw required. Reservoir design page includes calculations for tank size, oil volume and heat dissipation. Values are entered in either metric or imperial units. Results are shown for both metric and imperial. There is also a Speed - Torque - Power calculator. Enter any two variables and have the third calculated. Unit conversions are built into the calculation page.
witNAV
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witNAV integrates with Dynamics NAV online & offline. The user can setup and publish customized fields (even flowfields), give permissions (by salesperson code), and allow the salespersons to do new orders and receivables. It comes pre-configured with and standard "Cronus International" company.
Screenshots
Verdict
The clearest difference is update cadence: witNAV at monthly against Hydraulic Power Unit's every 37 months. Hydraulic Power Unit's advantage is iOS requirement (6.0 vs 13.0.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Hydraulic Power Unit ships an update every 37 months, witNAV monthly. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.
| Parameter | Hydraulic Power Unit | witNAV |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 37 months | Monthly โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 โ better | 13.0.0 |
| Further details โ not scored | ||
| Size | 4 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Zanthic Automation Inc. | ADDERIT QUATRE AMICS SL |
In-app purchases
Hydraulic Power Unit
No in-app purchases
witNAV
No in-app purchases
Questions
Is Hydraulic Power Unit free?
Is witNAV free?
Do Hydraulic Power Unit or witNAV have ads?
Which is updated more often, Hydraulic Power Unit or witNAV?
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