Flow Conversions vs TELEDYNE ISCO FlowCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Calculate flow rate
- Multiple units of measure
- Water flow conversions
- Simple interface
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Calculate flow rate for different units of measure.
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | Flow Conversions | TELEDYNE ISCO FlowCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.5 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 8 days | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.3 — better | 13.4 |
| Further details — not scored | ||
| Size | 12 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeff Evans | FutureSight Studios Ltd |
Customer experience
Flow Conversions
TELEDYNE ISCO FlowCalc
In-app purchases
Flow Conversions
No in-app purchases
TELEDYNE ISCO FlowCalc
No in-app purchases
Questions
Is Flow Conversions free?
Is TELEDYNE ISCO FlowCalc free?
Which has better reviews, Flow Conversions or TELEDYNE ISCO FlowCalc?
Do Flow Conversions or TELEDYNE ISCO FlowCalc have ads?
Which is updated more often, Flow Conversions or TELEDYNE ISCO FlowCalc?
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