# Stamp Stack vs Dilution Calculator

The clearest difference is price: Dilution Calculator at Free against Stamp Stack's $3.99. Stamp Stack's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Dilution Calculator is free to download; Stamp Stack costs $3.99 up front. Dilution Calculator sells 1 one-off in-app purchase. Stamp Stack asks for nothing beyond the download.

## The numbers

| Metric | Stamp Stack | Dilution Calculator |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dilution-calculator-detailer/id6785017454/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 82 MB | 40 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Goodwin](https://appshunter.io/developer/1830723743) | [Cas Bukkems](https://appshunter.io/developer/6785017456) |

## What reviewers say

### Stamp Stack

[App page](https://appshunter.io/ios/app/stamp-stack/id6757575828)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dilution Calculator

[App page](https://appshunter.io/ios/app/dilution-calculator-detailer/id6785017454)

Easily calculate precise dilution ratios for car detailing chemicals. Input your container size or product amount to get exact measurements for water and concentrate. Supports various units and includes a database of over 400 products.

**Highlights:** Calculate dilution by total volume, product amount, or water amount, Supports classic mixing ratios and percentage format, Database of 400+ car detailing products, Custom product and ratio addition, Foam cannon and snow foam calculator, All units supported (metric and imperial), Works offline

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.49 | one-time |


## Frequently asked questions

### Is Stamp Stack free?

Stamp Stack costs $3.99, with no in-app purchases.

### Is Dilution Calculator free?

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

### Do Stamp Stack or Dilution Calculator have ads?

Dilution Calculator shows ads; Stamp Stack does not.

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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.*