# FunctionCalc vs CALCUL Calculator

The clearest difference is price: CALCUL Calculator at Free against FunctionCalc's $0.99. CALCUL Calculator also leads on iOS requirement (15.0 vs 26.2). FunctionCalc's advantage is in-app purchases (none vs 3) and ratings volume (13 vs 1). On rating, review sentiment, update cadence and ads there is nothing between them.

CALCUL Calculator is free to download; FunctionCalc costs $0.99 up front. CALCUL Calculator sells 3 one-off in-app purchases. 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 CALCUL 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. Written reviews split almost evenly too, at 100% and 100% positive.

FunctionCalc ships an update every 8 days, CALCUL Calculator every 4 days. The most recent releases landed on September 23, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | FunctionCalc | CALCUL 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/calcul-calculator/id6474445617/reviews) |
| Number of ratings | **13** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 1 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lawler Innovations, Inc](https://appshunter.io/developer/1455028713) | [Reza Takhshid](https://appshunter.io/developer/1734530694) |

## 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


### CALCUL Calculator

[App page](https://appshunter.io/ios/app/calcul-calculator/id6474445617)

A free calculator app offering a clean interface with essential functions. It includes a detailed calculation history, allowing users to easily copy and paste numbers. The app also features a simple time interval calculator.

**Highlights:** Free calculator, No ads, Calculation history, Copy/paste from history, Backspace key, Time interval calculator

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1xSupport | $1.99 | one-time |
| 2xSupport | $3.99 | one-time |
| 3xSupport | $9.99 | one-time |


## Frequently asked questions

### Is FunctionCalc free?

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

### Is CALCUL Calculator free?

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

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

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

### Do FunctionCalc or CALCUL Calculator have ads?

Neither FunctionCalc nor CALCUL Calculator shows ads.

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

FunctionCalc ships an update every 8 days, and CALCUL Calculator every 4 days. Most recently, FunctionCalc was updated on September 23, 2026 and CALCUL Calculator on September 28, 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.*