# GARDCO Viscosity Calc vs FrameMat

The clearest difference is in-app purchases: GARDCO Viscosity Calc at none against FrameMat's 1. GARDCO Viscosity Calc also leads on device support (3 vs 1) and iOS requirement (13.4 vs 26.0). On price and ads there is nothing between them.

Both are free to download. FrameMat sells 1 one-off in-app purchase. GARDCO Viscosity Calc asks for nothing beyond the download.

## The numbers

| Metric | GARDCO Viscosity Calc | FrameMat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/gardco-viscosity-calc/id1488629531/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 6 MB | 1 MB |
| Requires iOS | **13.4** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BYK Gardner](https://appshunter.io/developer/1488629530) | [InnovaLabWorks](https://appshunter.io/developer/1888514726) |

## What reviewers say

### 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


### FrameMat

[App page](https://appshunter.io/ios/app/framemat-framing-math/id6790220602)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FrameMat Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is GARDCO Viscosity Calc free?

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

### Is FrameMat free?

FrameMat is free to download, with in-app purchases available.

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

Neither GARDCO Viscosity Calc nor FrameMat shows ads.

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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.*