# Function Calc vs Scientific Calculator *

The clearest difference is in-app purchases: Function Calc at none against Scientific Calculator *'s 1. Function Calc also leads on ads (none vs shown) and rating (5.0 vs 4.6). Scientific Calculator *'s advantage is update cadence (every 2 weeks vs monthly) and ratings volume (12 vs 3). On price and review sentiment there is nothing between them.

Both are free to download. Scientific Calculator * sells 1 one-off in-app purchase. Function Calc asks for nothing beyond the download.

Function Calc holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 3 and 12 respectively. Written reviews point the same way: 80% of Function Calc's written reviews are positive against 75% of Scientific Calculator *'s.

Function Calc ships an update monthly, Scientific Calculator * every 2 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Function Calc | Scientific Calculator * |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/function-calc/id1188227053/reviews)** | [4.6 (12 ratings)](https://appshunter.io/ios/app/scientific-calculator/id1537346972/reviews) |
| Number of ratings | 3 | **12** |
| Positive reviews | **80.0% of reviews** | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 86 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hugh Pelham](https://appshunter.io/developer/1188227052) | [TOWER OF HANOI SOFTWARE COMPANY LIMITED](https://appshunter.io/developer/1125320041) |

## What reviewers say

### Function Calc

[App page](https://appshunter.io/ios/app/function-calc/id1188227053)

This app offers a powerful, programmable scientific calculator with graphing capabilities. It allows users to create custom functions, store equations, and perform complex calculations with ease. The interface features a visible tape display and supports dictation for statistical analysis.

**Highlights:** Programmable custom functions, Graphing capabilities, Tape display with edit/undo, Unit conversions (120+), Dictate calculations, Export graphs (PDF, PNG)

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

**In-app purchases:** none


### Scientific Calculator *

[App page](https://appshunter.io/ios/app/scientific-calculator/id1537346972)

This app offers a comprehensive suite of calculation tools, including basic and advanced math functions, unit conversions, and financial calculators. It also features a history log for easy access to past calculations and allows for customization of themes.

**Highlights:** Basic and complex calculations, Unit and currency converter, Financial calculators (loan, discount), Calculation history log, Customizable themes, Fraction and trigonometric functions

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad | $4.99 | one-time |


## Frequently asked questions

### Is Function Calc free?

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

### Is Scientific Calculator * free?

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

### Which has better reviews, Function Calc or Scientific Calculator *?

Function Calc is rated higher. Function Calc averages 5.0 out of 5 from 3 ratings, while Scientific Calculator * averages 4.6 from 12 ratings.

### Do Function Calc or Scientific Calculator * have ads?

Scientific Calculator * shows ads; Function Calc does not.

### Which is updated more often, Function Calc or Scientific Calculator *?

Function Calc ships an update monthly, and Scientific Calculator * every 2 weeks. Most recently, Function Calc was updated on November 2, 2026 and Scientific Calculator * on November 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.*