# Function Calc vs Xmart Calculator Mini

Function Calc and Xmart Calculator Mini both sit at 5.0 stars, but that hides the real split: 100% of Xmart Calculator Mini's written reviews are positive against 80% of Function Calc's. Xmart Calculator Mini also leads on ratings volume (22 vs 3) and device support (3 vs 1). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Function Calc against 4.9 for Xmart Calculator Mini. That said, the two scores are not equally well evidenced: Xmart Calculator Mini has 22 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 80% of Function Calc's written reviews are positive against 100% of Xmart Calculator Mini's.

Function Calc ships an update monthly, Xmart Calculator Mini every 3 weeks. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Function Calc | Xmart Calculator Mini |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/function-calc/id1188227053/reviews)** | [4.9 (22 ratings)](https://appshunter.io/ios/app/xmart-calculator-mini/id1240117539/reviews) |
| Number of ratings | 3 | **22** |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 5 MB | 11 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hugh Pelham](https://appshunter.io/developer/1188227052) | [XHLIU](https://appshunter.io/developer/460419472) |

## 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


### Xmart Calculator Mini

[App page](https://appshunter.io/ios/app/xmart-calculator-mini/id1240117539)

This app allows users to create and use custom algebraic functions for complex calculations. It offers instant results as expressions are updated and provides step-by-step traceability for all computations. Users can also save, recall, and share calculation history.

**Highlights:** Define custom algebraic functions, Instant calculation upon input update, Step-by-step calculation traceability, Save and recall calculation history, Support for scientific math functions, Share calculation history, Customizable colors and fonts

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

**In-app purchases:** none


## Frequently asked questions

### Is Function Calc free?

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

### Is Xmart Calculator Mini free?

Xmart Calculator Mini is free to download, with no in-app purchases.

### Which has better reviews, Function Calc or Xmart Calculator Mini?

Function Calc is rated higher. Function Calc averages 5.0 out of 5 from 3 ratings, while Xmart Calculator Mini averages 4.9 from 22 ratings.

### Do Function Calc or Xmart Calculator Mini have ads?

Neither Function Calc nor Xmart Calculator Mini shows ads.

### Which is updated more often, Function Calc or Xmart Calculator Mini?

Function Calc ships an update monthly, and Xmart Calculator Mini every 3 weeks. Most recently, Function Calc was updated on October 7, 2026 and Xmart Calculator Mini on October 13, 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.*