# Jacks Scanner vs Haarmode Petra

The clearest difference is update cadence: Haarmode Petra at every 2 weeks against Jacks Scanner'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.

Jacks Scanner ships an update monthly, Haarmode Petra every 2 weeks. The most recent releases landed on September 30, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Jacks Scanner | Haarmode Petra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 72 MB | 83 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Authic Labs B.V.](https://appshunter.io/developer/1786546025) | [Haarmode Petra BV](https://appshunter.io/developer/1885812583) |

## What reviewers say

### Jacks Scanner

[App page](https://appshunter.io/ios/app/jacks-scanner/id6746333354)

**In-app purchases:** none


### Haarmode Petra

[App page](https://appshunter.io/ios/app/haarmode-petra/id6760703404)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Jacks Scanner free?

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

### Is Haarmode Petra free?

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

### Do Jacks Scanner or Haarmode Petra have ads?

Neither Jacks Scanner nor Haarmode Petra shows ads.

### Which is updated more often, Jacks Scanner or Haarmode Petra?

Jacks Scanner ships an update monthly, and Haarmode Petra every 2 weeks. Most recently, Jacks Scanner was updated on September 30, 2026 and Haarmode Petra on September 26, 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.*