# Mathokist vs Ubki

The clearest difference is price: Ubki at Free against Mathokist's $3.99. Ubki also leads on update cadence (monthly vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Ubki is free to download; Mathokist costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mathokist ships an update every 4 months, Ubki monthly. The most recent releases landed on June 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Mathokist | Ubki |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | — |
| Size | 39 MB | 51 MB |
| Requires iOS | **9.0** | 10.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mole Software Limited](https://appshunter.io/developer/987958542) | [Jean Zeren](https://appshunter.io/developer/1599682022) |

## What reviewers say

### Mathokist

[App page](https://appshunter.io/ios/app/mathokist/id987958543)

This application simplifies everyday math by automatically selecting the correct formula and performing calculations. It handles a wide range of tasks, from currency conversion and bill splitting to complex financial and DIY calculations.

**Highlights:** Formula selection and calculation, Exchange rate conversion, Bill splitting and tipping, Unit system conversions (US, UK, Metric), BMI and alcohol unit calculation, Financial calculations (interest, profit), DIY material cost estimation, Driving calculations (tyre pressure, fuel)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ubki

[App page](https://appshunter.io/ios/app/ubki/id1599682020)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mathokist free?

Mathokist costs $3.99, with no in-app purchases.

### Is Ubki free?

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

### Do Mathokist or Ubki have ads?

Neither Mathokist nor Ubki shows ads.

### Which is updated more often, Mathokist or Ubki?

Mathokist ships an update every 4 months, and Ubki monthly. Most recently, Mathokist was updated on June 11, 2026 and Ubki on October 4, 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.*