# Trader PhD vs Dunkerton Co

The clearest difference is in-app purchases: Dunkerton Co at none against Trader PhD's 4. Trader PhD's advantage is update cadence (every 2 months vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Trader PhD sells 4 in-app purchases, starting at $19.99 per month. Dunkerton Co asks for nothing beyond the download.

Trader PhD ships an update every 2 months, Dunkerton Co every 6 months. The most recent releases landed on October 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Trader PhD | Dunkerton Co |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (273 ratings)](https://appshunter.io/ios/app/trader-phd/id1522000648/reviews)** | — |
| Number of ratings | **273** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 63 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trader PhD LLC](https://appshunter.io/developer/1522000650) | [Barchart](https://appshunter.io/developer/730277257) |

## What reviewers say

### Trader PhD

[App page](https://appshunter.io/ios/app/trader-phd/id1522000648)

This app educates farmers, ranchers, and traders on marketing physical commodities and trading futures markets. It offers news, commentary, advisory, and educational resources, specializing in agricultural commodities but also covering a wide range of other markets.

**Highlights:** Commodity marketing education, Futures market trading guidance, Agricultural commodity specialization, News and market analysis, Proprietary algorithms for hedging, Educational university sections

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PhD Ag News | $19.99 | per month |
| PhD News+ Monthly | $39.99 | per month |
| PhD Ag News | $199.99 | per year |
| PhD News+ Yearly | $349.99 | per year |


### Dunkerton Co

[App page](https://appshunter.io/ios/app/dunkerton-co-op/id1600493378)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trader PhD free?

Trader PhD is free to download, with in-app purchases available.

### Is Dunkerton Co free?

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

### Do Trader PhD or Dunkerton Co have ads?

Neither Trader PhD nor Dunkerton Co shows ads.

### Which is updated more often, Trader PhD or Dunkerton Co?

Trader PhD ships an update every 2 months, and Dunkerton Co every 6 months. Most recently, Trader PhD was updated on October 29, 2026 and Dunkerton Co on October 7, 2026.

---

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