Comparison

Hydraulic Power Unit vs witNAV

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Hydraulic Power Unit

Features
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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.

About

witNAV

Features
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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

Hydraulic Power Unit4 screens
witNAV4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences ยท 4 level
Hydraulic Power Unit versus witNAV: the parameters behind the verdict, then further details
ParameterHydraulic Power UnitwitNAV
PriceFreeFree
Update frequencyEvery 37 monthsMonthly โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.0 โ€” better13.0.0
Further details โ€” not scored
Size4 MB9 MB
Age rating4+4+
DeveloperZanthic Automation Inc.ADDERIT QUATRE AMICS SL

In-app purchases

None

Hydraulic Power Unit

No in-app purchases

None

witNAV

No in-app purchases

Questions

Is Hydraulic Power Unit free?
Hydraulic Power Unit is free to download, with no in-app purchases.
Is witNAV free?
witNAV is free to download, with no in-app purchases.
Do Hydraulic Power Unit or witNAV have ads?
Neither Hydraulic Power Unit nor witNAV shows ads.
Which is updated more often, Hydraulic Power Unit or witNAV?
Hydraulic Power Unit ships an update every 37 months, and witNAV monthly. Most recently, Hydraulic Power Unit was updated on November 1, 2026 and witNAV on October 26, 2026.

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