# Biltes Digital vs Four Operations (Levels)

The clearest difference is iOS requirement: Biltes Digital at 15.1 against Four Operations (Levels)'s 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Biltes Digital ships an update every 2 weeks, Four Operations (Levels) fortnightly. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Biltes Digital | Four Operations (Levels) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Size | 53 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [İMPARK](https://appshunter.io/developer/1207208246) | [BEKIR GERIS](https://appshunter.io/developer/1718301415) |

## What reviewers say

### Biltes Digital

[App page](https://appshunter.io/ios/app/biltes-digital/id6465699145)

**Features:** macOS Compatibility

**In-app purchases:** none


### Four Operations (Levels)

[App page](https://appshunter.io/ios/app/four-operations-levels/id6473673425)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Biltes Digital free?

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

### Is Four Operations (Levels) free?

Four Operations (Levels) is free to download, with no in-app purchases.

### Do Biltes Digital or Four Operations (Levels) have ads?

Neither Biltes Digital nor Four Operations (Levels) shows ads.

### Which is updated more often, Biltes Digital or Four Operations (Levels)?

Biltes Digital ships an update every 2 weeks, and Four Operations (Levels) fortnightly. Most recently, Biltes Digital was updated on October 7, 2026 and Four Operations (Levels) on September 29, 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.*