# Drop Calculator vs GroundGlass

The clearest difference is in-app purchases: GroundGlass at none against Drop Calculator's 5. Drop Calculator's advantage is iOS requirement (15.5 vs 17.6). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Drop Calculator sells 5 one-off in-app purchases. GroundGlass asks for nothing beyond the download.

## The numbers

| Metric | Drop Calculator | GroundGlass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/drop-calculator/id6443909592/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Monetization | Free | Free |
| Size | 1 MB | 16 MB |
| Requires iOS | **15.5** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Randy Ennis](https://appshunter.io/developer/1650503392) | [存滨 崔](https://appshunter.io/developer/1809703940) |

## What reviewers say

### Drop Calculator

[App page](https://appshunter.io/ios/app/drop-calculator/id6443909592)

This tool helps artists calculate the precise number of drops of light-sensitive emulsion needed for alternative process printing. It supports various printing methods and allows for customization of drop counts, measurement systems, and user presets for different paper types and processes.

**Highlights:** Calculates total drops needed, Breaks down drops per component, Customizable drop count adjustment, Supports two or three-part processes, Create and save user presets, Metric or Imperial measurement options

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Breakfast Taco | $0.99 | one-time |
| Dos Tacos | $1.99 | one-time |
| Dos Tacos and Iced Tea | $3.99 | one-time |
| Puffy Taco Plate | $5.99 | one-time |
| Tex-Mex Taco Plate | $9.99 | one-time |


### GroundGlass

[App page](https://appshunter.io/ios/app/groundglass/id6747068863)

This app helps large format photographers meticulously log every detail of their shots, from exposure settings and camera movements to film development. It offers advanced features like Zone System metering, iCloud sync, and extensive equipment databases to streamline the entire photographic workflow.

**Highlights:** Complete shooting records, Zone System metering, iCloud Sync, Film workflow management, Record templates, PDF export, Geotagged shooting map

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

**In-app purchases:** none


## Frequently asked questions

### Is Drop Calculator free?

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

### Is GroundGlass free?

GroundGlass is free to download, with no in-app purchases.

### Do Drop Calculator or GroundGlass have ads?

Neither Drop Calculator nor GroundGlass 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.*