# Ratio Calculation vs 塗料の硬化剤計算 主剤と硬化剤の比率から各量をかんたん計算

The clearest difference is price: Ratio Calculation at Free against 塗料の硬化剤計算 主剤と硬化剤の比率から各量をかんたん計算's $1.99. Ratio Calculation also leads on device support (3 vs 1). On update cadence, in-app purchases and iOS requirement there is nothing between them.

Ratio Calculation is free to download; 塗料の硬化剤計算 主剤と硬化剤の比率から各量をかんたん計算 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ratio Calculation ships an update every 5 months, 塗料の硬化剤計算 主剤と硬化剤の比率から各量をかんたん計算 every 6 months. The most recent releases landed on September 26, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Ratio Calculation | 塗料の硬化剤計算 主剤と硬化剤の比率から各量をかんたん計算 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6469622865/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | — | Paid |
| Size | 4 MB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tomohiko Akamine](https://appshunter.io/developer/1538895235) | [Takahide Noro](https://appshunter.io/developer/432320517) |

## What reviewers say

### Ratio Calculation

[App page](https://appshunter.io/ios/app/ratio-calculation/id1538895233)

**Features:** macOS Compatibility

**In-app purchases:** none


### 塗料の硬化剤計算 主剤と硬化剤の比率から各量をかんたん計算

[App page](https://appshunter.io/ios/app/id6469622865)

This app helps you accurately mix paint by calculating the precise amounts of base material, hardener, and thinner needed. It supports three-liquid mixtures and allows you to save and recall calculation history.

**Highlights:** Calculate base and hardener amounts, Automatic calculation of paintable area, Automatic thinner calculation based on dilution ratio, Set any value as a reference for calculation, Switch between units (g, kg, cm, m), Save calculation results with titles, Numerical input auto-save

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ratio Calculation free?

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

### Is 塗料の硬化剤計算 主剤と硬化剤の比率から各量をかんたん計算 free?

塗料の硬化剤計算 主剤と硬化剤の比率から各量をかんたん計算 costs $1.99, with no in-app purchases.

### Which is updated more often, Ratio Calculation or 塗料の硬化剤計算 主剤と硬化剤の比率から各量をかんたん計算?

Ratio Calculation ships an update every 5 months, and 塗料の硬化剤計算 主剤と硬化剤の比率から各量をかんたん計算 every 6 months. Most recently, Ratio Calculation was updated on September 26, 2026 and 塗料の硬化剤計算 主剤と硬化剤の比率から各量をかんたん計算 on October 4, 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.*