# Dilution Calculator vs Calphace

The clearest difference is ads: Dilution Calculator at none against Calphace's shown. Dilution Calculator also leads on iOS requirement (8.1 vs 17.0). Calphace's advantage is update cadence (monthly vs every 6 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Dilution Calculator sells 1 one-off in-app purchase and Calphace sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Dilution Calculator ships an update every 6 months, Calphace monthly. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dilution Calculator | Calphace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/dilution-calculator/id955305524/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 7 MB |
| Requires iOS | **8.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Koji Iida](https://appshunter.io/developer/955305523) | [Akihiro Usui](https://appshunter.io/developer/1387267485) |

## What reviewers say

### Dilution Calculator

[App page](https://appshunter.io/ios/app/dilution-calculator/id955305524)

Easily calculate pesticide and fertilizer dilutions with this utility app. It offers basic calculation functions, history management, and unit selection for free. Premium features unlock ad-free use, additional calculation modes, and result management tools.

**Highlights:** Pesticide amount calculation, Fertilizer dilution calculation, Calculation history, Unit selection, Additional calculation modes (Water, Spraying), Favorites management, Utilize calculation results (Copy, Print, Message, Mail)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Upgrade | $0.99 | one-time |


### Calphace

[App page](https://appshunter.io/ios/app/calphace/id1587107292)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snack-Sized Tip | $0.49 | one-time |
| Coffee-Sized Tip | $1.99 | one-time |
| Lunch-Sized Tip | $3.99 | one-time |


## Frequently asked questions

### Is Dilution Calculator free?

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

### Is Calphace free?

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

### Do Dilution Calculator or Calphace have ads?

Calphace shows ads; Dilution Calculator does not.

### Which is updated more often, Dilution Calculator or Calphace?

Dilution Calculator ships an update every 6 months, and Calphace monthly. Most recently, Dilution Calculator was updated on October 3, 2026 and Calphace on October 24, 2026.

---

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