# Geek Math vs ec Fast Calc

The clearest difference is in-app purchases: ec Fast Calc at none against Geek Math's 1. ec Fast Calc also leads on update cadence (weekly vs every 10 months). Geek Math's advantage is iOS requirement (12.0 vs 17). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Geek Math against 5.0 for ec Fast Calc. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Geek Math ships an update every 10 months, ec Fast Calc weekly. The most recent releases landed on October 15, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Geek Math | ec Fast Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/geek-math-linking-numbers/id6474589909/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ec-fast-calc/id6748915950/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 10 months | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 29 MB | 8 MB |
| Requires iOS | **12.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [EC Fast Worldwide Limited](https://appshunter.io/developer/1827969035) |

## What reviewers say

### 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 |


### ec Fast Calc

[App page](https://appshunter.io/ios/app/ec-fast-calc/id6748915950)

This app simplifies daily calculations with an intuitive interface. It allows for effortless bill splitting with friends, group expense management, and date/time calculations. Enjoy powerful features and multi-language support for all your computing needs.

**Highlights:** Bill splitting with friends, Group expense management, Weight and package comparison, Date and time calculations, Multi-language support, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Geek Math free?

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

### Is ec Fast Calc free?

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

### Which has better reviews, Geek Math or ec Fast Calc?

Geek Math and ec Fast Calc are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Geek Math or ec Fast Calc have ads?

Both Geek Math and ec Fast Calc show ads.

### Which is updated more often, Geek Math or ec Fast Calc?

Geek Math ships an update every 10 months, and ec Fast Calc weekly. Most recently, Geek Math was updated on October 15, 2026 and ec Fast Calc on October 22, 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.*