# ESSLB vs BK

The clearest difference is iOS requirement: BK at 13.0 against ESSLB's 15.0. 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.

ESSLB ships an update monthly, BK every 2 months. The most recent releases landed on September 20, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ESSLB | BK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 42 MB | 4 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [khalil hamze](https://appshunter.io/developer/1643295107) | [Balancika](https://appshunter.io/developer/1275423172) |

## What reviewers say

### ESSLB

[App page](https://appshunter.io/ios/app/esslb/id6501989022)

**Features:** macOS Compatibility

**In-app purchases:** none


### BK

[App page](https://appshunter.io/ios/app/bk-ess/id6744553581)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ESSLB free?

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

### Is BK free?

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

### Do ESSLB or BK have ads?

Neither ESSLB nor BK shows ads.

### Which is updated more often, ESSLB or BK?

ESSLB ships an update monthly, and BK every 2 months. Most recently, ESSLB was updated on September 20, 2026 and BK on September 30, 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.*