# Phytech Field vs iPar UCDavis

The clearest difference is update cadence: iPar UCDavis at every 2 weeks against Phytech Field's every 6 weeks. Phytech Field's advantage is iOS requirement (15.1 vs 17.0). 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.

Phytech Field ships an update every 6 weeks, iPar UCDavis every 2 weeks. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Phytech Field | iPar UCDavis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ipar-ucdavis/id6739323886/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 92 MB | 180 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Phytech LTD](https://appshunter.io/developer/889024733) | [Fernando N. Frassia](https://appshunter.io/developer/992016514) |

## What reviewers say

### Phytech Field

[App page](https://appshunter.io/ios/app/phytech-field/id1601166995)

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

**In-app purchases:** none


### iPar UCDavis

[App page](https://appshunter.io/ios/app/ipar-ucdavis/id6739323886)

This app assists farmers and researchers in managing pistachio, walnut, and almond crops. It uses photos of crop shadows to estimate needs like water and nitrogen, and predict future yields. Developed by UCDavis, it aims to optimize agricultural practices.

**Highlights:** Estimate Light Intercept, Estimate future yield, Estimate Nitrogen needs, Estimate Water needs, Crop shadow analysis

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

**In-app purchases:** none


## Frequently asked questions

### Is Phytech Field free?

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

### Is iPar UCDavis free?

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

### Do Phytech Field or iPar UCDavis have ads?

Neither Phytech Field nor iPar UCDavis shows ads.

### Which is updated more often, Phytech Field or iPar UCDavis?

Phytech Field ships an update every 6 weeks, and iPar UCDavis every 2 weeks. Most recently, Phytech Field was updated on September 8, 2026 and iPar UCDavis on September 10, 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.*