# LFunCalc vs Geek Math

The clearest difference is in-app purchases: LFunCalc at none against Geek Math's 1. LFunCalc also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Geek Math sells 1 one-off in-app purchase. LFunCalc asks for nothing beyond the download.

LFunCalc ships an update every 5 months, Geek Math every 10 months. The most recent releases landed on September 28, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | LFunCalc | Geek Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/geek-math-linking-numbers/id6474589909/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 months** | Every 10 months |
| Monetization | — | Free with in-app purchases |
| Size | 46 MB | 29 MB |
| Requires iOS | 13.2 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NOBORU IMAI](https://appshunter.io/developer/896071356) | [QQ TSUBASA](https://appshunter.io/developer/568750169) |

## What reviewers say

### LFunCalc

[App page](https://appshunter.io/ios/app/lfuncalc/id1501273046)

**Features:** Vision Pro support

**In-app purchases:** none


### Geek Math

[App page](https://appshunter.io/ios/app/geek-math-linking-numbers/id6474589909)

This calculator app features an intuitive column layout for multiple equations, allowing real-time modification of numbers and operators. It offers interactive linking of numbers and a unique lock feature to protect important values.

**Highlights:** Intuitive column layout, Real-time equation modification, Linked numbers for interactive calculation, Lock feature for number protection, Multi-line display, Theme selection

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium No ad & more math rows | $1.99 | one-time |


## Frequently asked questions

### Is LFunCalc free?

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

### Is Geek Math free?

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

### Do LFunCalc or Geek Math have ads?

Geek Math shows ads; LFunCalc does not.

### Which is updated more often, LFunCalc or Geek Math?

LFunCalc ships an update every 5 months, and Geek Math every 10 months. Most recently, LFunCalc was updated on September 28, 2026 and Geek Math on October 15, 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.*