# MathDoku X vs BulBil

The clearest difference is ads: BulBil at none against MathDoku X's shown. BulBil also leads on update cadence (every 2 days vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. MathDoku X sells 1 one-off in-app purchase and BulBil sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

MathDoku X ships an update fortnightly, BulBil every 2 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | MathDoku X | BulBil |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bulbil/id6782976199/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 63 MB | 18 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duygu Ceylan Kaya](https://appshunter.io/developer/1877030970) | [Kader Ismet Solak](https://appshunter.io/developer/1881539091) |

## What reviewers say

### MathDoku X

[App page](https://appshunter.io/ios/app/mathdoku-x-sudoku-and-logic/id6759137802)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### BulBil

[App page](https://appshunter.io/ios/app/bulbil/id6782976199)

This app offers 13 different types of Turkish puzzles, including word games and logic challenges. Test your vocabulary and logic with classic newspaper puzzles, all within a single application. Enjoy a clean interface and numerous levels for each puzzle type.

**Highlights:** 13 diverse puzzle types, Classic Turkish crossword puzzles, Word and logic challenges, Clean and fast interface, Dozens of levels per puzzle, Full Turkish character support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Aylık) | $2.99 | per month |
| BulBil Premium | $29.99 | per year |


## Frequently asked questions

### Is MathDoku X free?

MathDoku X is free to download, with in-app purchases available.

### Is BulBil free?

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

### Do MathDoku X or BulBil have ads?

MathDoku X shows ads; BulBil does not.

### Which is updated more often, MathDoku X or BulBil?

MathDoku X ships an update fortnightly, and BulBil every 2 days. Most recently, MathDoku X was updated on November 9, 2026 and BulBil on November 5, 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.*