Comparison

WellMonitor vs Open Channel Flow Lite

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

Head to head
About

WellMonitor

Features
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Allows WellMonitor users to access their SCADA data from your smartphone. Download the WellMonitor app and start view/plot your online data and following alerts of your monitored devices. See www.wellmonitor.net for more information about WellMonitor service.

About

Open Channel Flow Lite

Features
Read full description

Open Channel Flow Lite is the free edition of Open Channel Flow Pro. It has every feature of the Pro version, for small channels. CHANNEL SHAPES • Rectangular • Trapezoidal • Circular • Natural (irregular cross-section, with overbank roughness) • Triangular • Parabolic SOLVE FOR • Discharge, water depth, bed slope, and the channel width or pipe diameter, using Manning's equation RESULTS • Flow area, wetted perimeter, hydraulic radius, velocity, Froude number and flow regime • Critical depth, specific energy, alternate and sequent depths • Discharge rating curve and specific energy charts MORE TOOLS • Water surface profiles by the direct step method, from a control depth • Efficient Section: size the best section for a design discharge • Manning's n picker • Metric and English units • Worksheets to save and reopen your calculations • PDF reports to share • Built-in documentation and usage manual • iPhone and iPad LIMITS OF THE LITE VERSION • Discharge up to 0.5 m³/s (17.65 ft³/s) • Water depth in a circular channel up to 0.6 m (1.96 ft) • Trapezoidal side slope of 1:1 only Open Channel Flow Pro removes these limits. No account and no ads. Your worksheets stay on your device.

Screenshots

WellMonitor4 screens
Open Channel Flow Lite4 screens

Verdict

The call

The clearest difference is update cadence: WellMonitor at every 3 months against Open Channel Flow Lite's every 13 months. 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

WellMonitor ships an update every 3 months, Open Channel Flow Lite every 13 months. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

Scorecard1 real difference · 5 level
WellMonitor versus Open Channel Flow Lite: the parameters behind the verdict, then further details
ParameterWellMonitorOpen Channel Flow Lite
PriceFreeFree
Update frequencyEvery 3 months — betterEvery 13 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size34 MB2 MB
Age rating4+4+
DeveloperNUMERICA LTDAAlexius Academia

In-app purchases

None

WellMonitor

No in-app purchases

None

Open Channel Flow Lite

No in-app purchases

Questions

Is WellMonitor free?
WellMonitor is free to download, with no in-app purchases.
Is Open Channel Flow Lite free?
Open Channel Flow Lite is free to download, with no in-app purchases.
Do WellMonitor or Open Channel Flow Lite have ads?
Neither WellMonitor nor Open Channel Flow Lite shows ads.
Which is updated more often, WellMonitor or Open Channel Flow Lite?
WellMonitor ships an update every 3 months, and Open Channel Flow Lite every 13 months. Most recently, WellMonitor was updated on October 9, 2026 and Open Channel Flow Lite on October 14, 2026.

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