# FunctionCalc vs Calculator

The clearest difference is price: Calculator at Free against FunctionCalc's $0.99. Calculator also leads on update cadence (daily vs every 8 days) and device support (4 vs 2). FunctionCalc's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for FunctionCalc against 5.0 for Calculator. That said, the two scores are not equally well evidenced: FunctionCalc has 13 ratings behind it against 1, so its average is the more settled of the two.

FunctionCalc ships an update every 8 days, Calculator daily. The most recent releases landed on June 5, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | FunctionCalc | Calculator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (13 ratings)](https://appshunter.io/ios/app/functioncalc/id1455028714/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/calculator-visual-math/id6747378943/reviews) |
| Number of ratings | **13** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Daily** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 140 MB |
| Requires iOS | 26.2 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Lawler Innovations, Inc.](https://appshunter.io/developer/1455028713) | [Vladislav Alikov](https://appshunter.io/developer/1603123547) |

## 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


### Calculator

[App page](https://appshunter.io/ios/app/calculator-visual-math/id6747378943)

This app transforms complex mathematical formulas into interactive computational graphs, allowing users to visualize and understand the logic behind calculations. It offers both scientific and boolean logic modes, with real-time editing capabilities for "what-if" analysis.

**Highlights:** Visualize math as node-based graphs, Interactive graph editing, Scientific calculator mode, Boolean logic solver, Save and load expressions, Customizable themes

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support the App and remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is FunctionCalc free?

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

### Is Calculator free?

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

### Which has better reviews, FunctionCalc or Calculator?

FunctionCalc and Calculator are both rated 5.0 out of 5 on the App Store, from 13 and 1 ratings respectively.

### Do FunctionCalc or Calculator have ads?

Calculator shows ads; FunctionCalc does not.

### Which is updated more often, FunctionCalc or Calculator?

FunctionCalc ships an update every 8 days, and Calculator daily. Most recently, FunctionCalc was updated on June 5, 2026 and Calculator on August 25, 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.*