# Koslan vs Safex BAT Pulsar

The clearest difference is update cadence: Safex BAT Pulsar at every 8 days against Koslan's monthly. On price, ads, in-app purchases and device support there is nothing between them.

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

Koslan ships an update monthly, Safex BAT Pulsar every 8 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Koslan | Safex BAT Pulsar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 8 days** |
| Size | 65 MB | 28 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Desarrollo Web SPA](https://appshunter.io/developer/1587233686) | [Somax SPA](https://appshunter.io/developer/1653140794) |

## What reviewers say

### Koslan

[App page](https://appshunter.io/ios/app/koslan/id1637106895)

**In-app purchases:** none


### Safex BAT Pulsar

[App page](https://appshunter.io/ios/app/safex-bat-pulsar/id6745852390)

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

**In-app purchases:** none


## Frequently asked questions

### Is Koslan free?

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

### Is Safex BAT Pulsar free?

Safex BAT Pulsar is free to download, with no in-app purchases.

### Do Koslan or Safex BAT Pulsar have ads?

Neither Koslan nor Safex BAT Pulsar shows ads.

### Which is updated more often, Koslan or Safex BAT Pulsar?

Koslan ships an update monthly, and Safex BAT Pulsar every 8 days. Most recently, Koslan was updated on November 3, 2026 and Safex BAT Pulsar 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.*