# PlumeMapper vs Hardkorr

The clearest difference is update cadence: Hardkorr at fortnightly against PlumeMapper's monthly. PlumeMapper's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 17.6). On price, 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.

PlumeMapper ships an update monthly, Hardkorr fortnightly. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PlumeMapper | Hardkorr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 51 MB | 7 MB |
| Requires iOS | **15.5** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Air Environment Consulting Pty Ltd](https://appshunter.io/developer/1535942495) | [Hardkorr](https://appshunter.io/developer/1637354677) |

## What reviewers say

### PlumeMapper

[App page](https://appshunter.io/ios/app/plumemapper/id1535942493)

**In-app purchases:** none


### Hardkorr

[App page](https://appshunter.io/ios/app/hardkorr/id6741747991)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PlumeMapper free?

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

### Is Hardkorr free?

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

### Do PlumeMapper or Hardkorr have ads?

Neither PlumeMapper nor Hardkorr shows ads.

### Which is updated more often, PlumeMapper or Hardkorr?

PlumeMapper ships an update monthly, and Hardkorr fortnightly. Most recently, PlumeMapper was updated on October 29, 2026 and Hardkorr on October 28, 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.*