# Function Calc vs myPi

The clearest difference is review sentiment: Function Calc at 80% against myPi's 50%. myPi's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Function Calc ships an update monthly, myPi every 5 weeks. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Function Calc | myPi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/function-calc/id1188227053/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **80.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 5 MB | 46 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Hugh Pelham](https://appshunter.io/developer/1188227052) | [PI Industries](https://appshunter.io/developer/1508768756) |

## 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


### myPi

[App page](https://appshunter.io/ios/app/mypi/id6448280260)

Enhance employee productivity with a fast and lightweight platform for efficient task completion. Streamline workflows and boost operational efficiency.

**Highlights:** Task completion, Efficient workflows, Lightweight platform, Productivity enhancement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Function Calc free?

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

### Is myPi free?

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

### Do Function Calc or myPi have ads?

Neither Function Calc nor myPi shows ads.

### Which is updated more often, Function Calc or myPi?

Function Calc ships an update monthly, and myPi every 5 weeks. Most recently, Function Calc was updated on October 24, 2026 and myPi on October 19, 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.*