# FunctionCalc vs Ratio Simplifier

The clearest difference is price: Ratio Simplifier at Free against FunctionCalc's $0.99. Ratio Simplifier also leads on iOS requirement (16.0 vs 26.2). FunctionCalc's advantage is in-app purchases (none vs 1) and update cadence (every 8 days vs every 17 months). On ads and device support there is nothing between them.

Ratio Simplifier is free to download; FunctionCalc costs $0.99 up front. Ratio Simplifier sells 1 one-off in-app purchase. FunctionCalc asks for nothing beyond the download.

FunctionCalc ships an update every 8 days, Ratio Simplifier every 17 months. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | FunctionCalc | Ratio Simplifier |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (13 ratings)](https://appshunter.io/ios/app/functioncalc/id1455028714/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 17 months |
| Monetization | Paid | — |
| Size | 2 MB | 4 MB |
| Requires iOS | 26.2 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lawler Innovations, Inc](https://appshunter.io/developer/1455028713) | [Agustiyansyah Syam](https://appshunter.io/developer/1770080692) |

## What reviewers say

### FunctionCalc

[App page](https://appshunter.io/ios/app/functioncalc/id1455028714)

This all-in-one utility app helps veterans calculate VA disability benefits, track important dates, and perform everyday calculations. It includes a tip splitter, unit converter, and a powerful calculator with saved formulas.

**Highlights:** VA disability benefit calculator, Date countdown and elapsed time tracker, Tip calculator and bill splitting, Unit and currency converter, Time math and custom formulas, Full calculation history

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

**In-app purchases:** none


### Ratio Simplifier

[App page](https://appshunter.io/ios/app/ratio-simplifier/id6711354787)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ratio Simplifier Pro | $1.99 | one-time |


## Frequently asked questions

### Is FunctionCalc free?

FunctionCalc costs $0.99, with no in-app purchases.

### Is Ratio Simplifier free?

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

### Do FunctionCalc or Ratio Simplifier have ads?

Neither FunctionCalc nor Ratio Simplifier shows ads.

### Which is updated more often, FunctionCalc or Ratio Simplifier?

FunctionCalc ships an update every 8 days, and Ratio Simplifier every 17 months. Most recently, FunctionCalc was updated on October 10, 2026 and Ratio Simplifier on October 8, 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.*