# LevelTap™ vs TELEDYNE ISCO FlowCalc

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.

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

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.

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.

## The numbers

| Metric | LevelTap™ | TELEDYNE ISCO FlowCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (57 ratings)](https://appshunter.io/ios/app/leveltap/id1565026204/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/teledyne-isco-flowcalc/id6504916802/reviews) |
| Number of ratings | **57** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 91 MB | 26 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flowline, Inc](https://appshunter.io/developer/1565026416) | [FutureSight Studios Ltd](https://appshunter.io/developer/1752834411) |

## What reviewers say

### LevelTap™

[App page](https://appshunter.io/ios/app/leveltap/id1565026204)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### TELEDYNE ISCO FlowCalc

[App page](https://appshunter.io/ios/app/teledyne-isco-flowcalc/id6504916802)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*