Comparison

LevelTap™ vs TELEDYNE ISCO FlowCalc

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

Head to head
About

LevelTap™

Wirelessly configure and monitor compatible Flowline sensors from a safe distance using Bluetooth. Access diagnostic tools and view process information. Explore demo sensors and configuration examples before purchasing.

Highlights
  • Wireless sensor configuration
  • View level and flow process information
  • Access diagnostic tools
  • Secure Bluetooth connection
  • Demo sensor exploration
  • Configuration examples
Features
Read full description

LevelTap enables mobile smart phone or tablet users to wirelessly configure, view level or flow process information and access diagnostic tools for compatible Flowline sensors via a secure Bluetooth connection, all from the safety of the ground or nearby location. Download the free app, register and go to Demo Sensors. There you can view process information and step-by-step or advanced configuration examples prior to sensor purchase.

About

TELEDYNE ISCO FlowCalc

This utility app provides quick and accurate open channel flow rate calculations for field or office use. Select your measurement method, enter dimensions and head/velocity, and receive instant results. It supports multiple flow methods, area-velocity calculations, and unit switching.

Highlights
  • Instant flow rate calculations
  • Multiple weir and flume types
  • Area-velocity mode for pipes
  • Save favorite site setups
  • Imperial and metric unit support
  • Based on ISCO Handbook formulas
Features
Read full description

Quick, accurate flow rate calculations, right in your pocket. FlowCalc makes open channel flow measurement fast and easy. Whether you’re in the field or the office, you can select your weir, flume, or channel shape, enter size and head/velocity, and get instant, reliable results. Key Features • Set up & calculate in minutes – Choose your measurement method, enter your dimensions, and see flow rates instantly. • Multiple flow methods – Includes popular weirs (V‑Notch, Rectangular, Cipolletti) and flumes (Parshall, Leopold‑Lagco, HS, H, HL, Trapezoidal, and more). • Area‑velocity mode – Calculate flow for partially full pipes and non‑full channels in various shapes. • Save favorites – Store common site setups for fast recall. • Trusted formulas – Based on the ISCO Open Channel Flow Measurement Handbook. • Easy unit switching – Imperial and metric support. Free to download and backed by Teledyne ISCO’s decades of expertise in flow measurement.

Screenshots

LevelTap™3 screens
TELEDYNE ISCO FlowCalc4 screens

Verdict

The call

The clearest difference is ads: LevelTap™ at none against TELEDYNE ISCO FlowCalc's shown. LevelTap™ also leads on ratings volume (57 vs 2) and monetization model (free vs ad-supported). TELEDYNE ISCO FlowCalc's advantage is update cadence (weekly vs every 2 months) and iOS requirement (13.4 vs 15.6). On price, rating, 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for LevelTap™ against 4.5 for TELEDYNE ISCO FlowCalc. That said, the two scores are not equally well evidenced: LevelTap™ has 57 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

LevelTap™ ships an update every 2 months, TELEDYNE ISCO FlowCalc weekly. The most recent releases landed on October 24, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
LevelTap™ versus TELEDYNE ISCO FlowCalc: the parameters behind the verdict, then further details
ParameterLevelTap™TELEDYNE ISCO FlowCalc
PriceFreeFree
Rating4.5 (57 ratings) — better4.5 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings57 — better2
Update frequencyEvery 2 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.4 — better
Further details — not scored
Size91 MB26 MB
Age rating4+4+
DeveloperFlowline, IncFutureSight Studios Ltd

Customer experience

LevelTap™

All ratings53 ratings
Positive92.5%
Neutral3.8%
Negative3.8%

TELEDYNE ISCO FlowCalc

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

LevelTap™

No in-app purchases

None

TELEDYNE ISCO FlowCalc

No in-app purchases

Questions

Is LevelTap™ free?
LevelTap™ is free to download, with no in-app purchases.
Is TELEDYNE ISCO FlowCalc free?
TELEDYNE ISCO FlowCalc is free to download, with no in-app purchases.
Which has better reviews, LevelTap™ or TELEDYNE ISCO FlowCalc?
LevelTap™ is rated higher. LevelTap™ averages 4.5 out of 5 from 57 ratings, while TELEDYNE ISCO FlowCalc averages 4.5 from 2 ratings.
Do LevelTap™ or TELEDYNE ISCO FlowCalc have ads?
TELEDYNE ISCO FlowCalc shows ads; LevelTap™ does not.
Which is updated more often, LevelTap™ or TELEDYNE ISCO FlowCalc?
LevelTap™ ships an update every 2 months, and TELEDYNE ISCO FlowCalc weekly. Most recently, LevelTap™ was updated on October 24, 2026 and TELEDYNE ISCO FlowCalc on October 2, 2026.

Other comparisons