# FlexoCalculator vs GARDCO Viscosity Calc

The clearest difference is price: GARDCO Viscosity Calc at Free against FlexoCalculator's $2.99. GARDCO Viscosity Calc also leads on update cadence (every 3 weeks vs every 2 months) and ratings volume (6 vs 2). On rating, review sentiment, ads and in-app purchases there is nothing between them.

GARDCO Viscosity Calc is free to download; FlexoCalculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for FlexoCalculator against 5.0 for GARDCO Viscosity Calc. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

FlexoCalculator ships an update every 2 months, GARDCO Viscosity Calc every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | FlexoCalculator | GARDCO Viscosity Calc |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/flexocalculator/id1325603568/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/gardco-viscosity-calc/id1488629531/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 12 MB | 6 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mauro Lussignoli](https://appshunter.io/developer/1310360994) | [BYK Gardner](https://appshunter.io/developer/1488629530) |

## What reviewers say

### FlexoCalculator

[App page](https://appshunter.io/ios/app/flexocalculator/id1325603568)

This tool assists flexo prepress operators with essential calculations for screen dimensions, minimum print effects, and plate compression distortion. It also handles unit conversions between metric and imperial standards, offering a consolidated solution for prepress needs.

**Highlights:** Calculate screen dimensions in microns, Assess minimum print effects ('dipping'), Determine plate compression distortion, Convert metric to imperial units, Convert imperial to metric units, Brand-free and customizable

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### GARDCO Viscosity Calc

[App page](https://appshunter.io/ios/app/gardco-viscosity-calc/id1488629531)

Calculate kinematic viscosity or drain time for various viscosity cups. Input a known value and cup type to find the unknown, with visual indicators for valid measurement ranges. Helps select the appropriate cup for accurate testing.

**Highlights:** Calculate kinematic viscosity, Calculate drain time, Support for Gardco and BYK cups, Input drain time or viscosity, Visual range indicators, Error messages for out-of-range values

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FlexoCalculator free?

FlexoCalculator costs $2.99, with no in-app purchases.

### Is GARDCO Viscosity Calc free?

GARDCO Viscosity Calc is free to download, with no in-app purchases.

### Which has better reviews, FlexoCalculator or GARDCO Viscosity Calc?

FlexoCalculator and GARDCO Viscosity Calc are both rated 5.0 out of 5 on the App Store, from 2 and 6 ratings respectively.

### Do FlexoCalculator or GARDCO Viscosity Calc have ads?

Neither FlexoCalculator nor GARDCO Viscosity Calc shows ads.

### Which is updated more often, FlexoCalculator or GARDCO Viscosity Calc?

FlexoCalculator ships an update every 2 months, and GARDCO Viscosity Calc every 3 weeks. Most recently, FlexoCalculator was updated on November 2, 2026 and GARDCO Viscosity Calc on November 3, 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.*