# ISOTRA Packet vs wlnka

The clearest difference is update cadence: wlnka at every 3 weeks against ISOTRA Packet's every 3 months. ISOTRA Packet's advantage is iOS requirement (16.6 vs 18.0). 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.

ISOTRA Packet ships an update every 3 months, wlnka every 3 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ISOTRA Packet | wlnka |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 5 MB | 17 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [ISOTRA a.s.](https://appshunter.io/developer/972810048) | [reDoIT s.r.o.](https://appshunter.io/developer/1794635494) |

## What reviewers say

### ISOTRA Packet

[App page](https://appshunter.io/ios/app/isotra-packet/id1070073536)

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

**In-app purchases:** none


### wlnka

[App page](https://appshunter.io/ios/app/wlnka/id6741540183)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ISOTRA Packet free?

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

### Is wlnka free?

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

### Do ISOTRA Packet or wlnka have ads?

Neither ISOTRA Packet nor wlnka shows ads.

### Which is updated more often, ISOTRA Packet or wlnka?

ISOTRA Packet ships an update every 3 months, and wlnka every 3 weeks. Most recently, ISOTRA Packet was updated on October 20, 2026 and wlnka on October 24, 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.*