# HAZMAT R2K vs WISER Tracker

The clearest difference is iOS requirement: WISER Tracker at 14.0 against HAZMAT R2K's 16.1. 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | HAZMAT R2K | WISER Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 37 MB | 65 MB |
| Requires iOS | 16.1 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Paresco Solutions](https://appshunter.io/developer/1395239135) | [WISER Systems](https://appshunter.io/developer/1506614052) |

## What reviewers say

### HAZMAT R2K

[App page](https://appshunter.io/ios/app/hazmat-r2k/id1395278413)

**Features:** macOS Compatibility

**In-app purchases:** none


### WISER Tracker

[App page](https://appshunter.io/ios/app/wiser-tracker/id1506614053)

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

**In-app purchases:** none


## Frequently asked questions

### Is HAZMAT R2K free?

HAZMAT R2K is free to download, with no in-app purchases.

### Is WISER Tracker free?

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

### Do HAZMAT R2K or WISER Tracker have ads?

Neither HAZMAT R2K nor WISER Tracker shows ads.

### Which is updated more often, HAZMAT R2K or WISER Tracker?

HAZMAT R2K ships an update every 3 months, and WISER Tracker every 3 months. Most recently, HAZMAT R2K was updated on September 14, 2026 and WISER Tracker on September 17, 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.*