Comparison

Flow Conversions 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

Flow Conversions

Easily convert water flow rates between various units of measurement. This utility app provides a straightforward way to calculate and understand different flow rate values.

Highlights
  • Calculate flow rate
  • Multiple units of measure
  • Water flow conversions
  • Simple interface
Features
Read full description

Calculate flow rate for different units of measure.

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

Flow Conversions3 screens
TELEDYNE ISCO FlowCalc4 screens

Verdict

The call

The clearest difference is rating: Flow Conversions at 5.0 against TELEDYNE ISCO FlowCalc's 4.5. Flow Conversions also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, ratings volume and update cadence 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

Flow Conversions holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Flow Conversions ships an update every 8 days, TELEDYNE ISCO FlowCalc weekly. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

Scorecard4 real differences · 6 level
Flow Conversions versus TELEDYNE ISCO FlowCalc: the parameters behind the verdict, then further details
ParameterFlow ConversionsTELEDYNE ISCO FlowCalc
PriceFreeFree
Rating5.0 (1 ratings) — better4.5 (2 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings12 — better
Update frequencyEvery 8 daysWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.3 — better13.4
Further details — not scored
Size12 MB26 MB
Age rating4+4+
DeveloperJeff EvansFutureSight Studios Ltd

Customer experience

Flow Conversions

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Flow Conversions

No in-app purchases

None

TELEDYNE ISCO FlowCalc

No in-app purchases

Questions

Is Flow Conversions free?
Flow Conversions 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, Flow Conversions or TELEDYNE ISCO FlowCalc?
Flow Conversions is rated higher. Flow Conversions averages 5.0 out of 5 from 1 ratings, while TELEDYNE ISCO FlowCalc averages 4.5 from 2 ratings.
Do Flow Conversions or TELEDYNE ISCO FlowCalc have ads?
TELEDYNE ISCO FlowCalc shows ads; Flow Conversions does not.
Which is updated more often, Flow Conversions or TELEDYNE ISCO FlowCalc?
Flow Conversions ships an update every 8 days, and TELEDYNE ISCO FlowCalc weekly. Most recently, Flow Conversions was updated on October 16, 2026 and TELEDYNE ISCO FlowCalc on October 2, 2026.

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