# SLCalculation vs Simple ratio calculator

The clearest difference is ads: SLCalculation at none against Simple ratio calculator's shown. SLCalculation also leads on update cadence (monthly vs every 3 months) and iOS requirement (14.2 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SLCalculation ships an update monthly, Simple ratio calculator every 3 months. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SLCalculation | Simple ratio calculator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | — | Ad-supported |
| Size | 19 MB | 3 MB |
| Requires iOS | **14.2** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [tsuyoshi saito](https://appshunter.io/developer/1530882113) | [Ryoma Toda](https://appshunter.io/developer/1630323600) |

## What reviewers say

### SLCalculation

[App page](https://appshunter.io/ios/app/slcalculation/id1541116749)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple ratio calculator

[App page](https://appshunter.io/ios/app/simple-ratio-calculator/id6738031350)

Easily calculate and save frequently used ratios with a clean, user-friendly interface. Ideal for scientific experiments, cooking, and design projects, this tool simplifies proportion management for enhanced learning and hobbies.

**Highlights:** User-friendly, simple UI, Formula saving functionality, Ratio calculation for experiments, Recipe ingredient adjustment, Design proportion maintenance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SLCalculation free?

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

### Is Simple ratio calculator free?

Simple ratio calculator is free to download, with no in-app purchases.

### Do SLCalculation or Simple ratio calculator have ads?

Simple ratio calculator shows ads; SLCalculation does not.

### Which is updated more often, SLCalculation or Simple ratio calculator?

SLCalculation ships an update monthly, and Simple ratio calculator every 3 months. Most recently, SLCalculation was updated on October 7, 2026 and Simple ratio calculator on October 3, 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.*