# Contrackr vs Buck's ERP

The clearest difference is update cadence: Contrackr at daily against Buck's ERP's every 4 days. Buck's ERP's advantage is iOS requirement (15.0 vs 17.6). 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.

Contrackr ships an update daily, Buck's ERP every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Contrackr | Buck's ERP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Size | 15 MB | 29 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Rick Twilling](https://appshunter.io/developer/1790344644) | [Buck's Dog Training](https://appshunter.io/developer/1877805773) |

## What reviewers say

### Contrackr

[App page](https://appshunter.io/ios/app/contrackr/id6747924592)

**Features:** macOS Compatibility

**In-app purchases:** none


### Buck's ERP

[App page](https://appshunter.io/ios/app/bucks-erp/id6759273113)

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

**In-app purchases:** none


## Frequently asked questions

### Is Contrackr free?

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

### Is Buck's ERP free?

Buck's ERP is free to download, with no in-app purchases.

### Do Contrackr or Buck's ERP have ads?

Neither Contrackr nor Buck's ERP shows ads.

### Which is updated more often, Contrackr or Buck's ERP?

Contrackr ships an update daily, and Buck's ERP every 4 days. Most recently, Contrackr was updated on October 25, 2026 and Buck's ERP on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*