# Gestation Aging vs USDA PPRL

The clearest difference is price: USDA PPRL at Free against Gestation Aging's $0.99. USDA PPRL also leads on update cadence (every 2 months vs every 23 months) and device support (3 vs 1). Gestation Aging's advantage is iOS requirement (12.0 vs 15.0). On ads and in-app purchases there is nothing between them.

USDA PPRL is free to download; Gestation Aging costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Gestation Aging ships an update every 23 months, USDA PPRL every 2 months. The most recent releases landed on May 17, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Gestation Aging | USDA PPRL |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/usda-pprl/id6444455958/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 9 MB | 42 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [University of Wisconsin - Madison School of Veterinary Medicine](https://appshunter.io/developer/871872159) | [Utah State University](https://appshunter.io/developer/408732147) |

## What reviewers say

### Gestation Aging

[App page](https://appshunter.io/ios/app/gestation-aging/id1010854840)

**Features:** macOS Compatibility

**In-app purchases:** none


### USDA PPRL

[App page](https://appshunter.io/ios/app/usda-pprl/id6444455958)

This app helps livestock owners identify poisonous plants to prevent animal loss. It provides a searchable database of toxic flora and allows users to report livestock poisonings to the research lab.

**Highlights:** Identify poisonous plants, Searchable plant database, Prevent livestock loss, Report livestock poisonings, Awareness of toxic flora

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gestation Aging free?

Gestation Aging costs $0.99, with no in-app purchases.

### Is USDA PPRL free?

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

### Do Gestation Aging or USDA PPRL have ads?

Neither Gestation Aging nor USDA PPRL shows ads.

### Which is updated more often, Gestation Aging or USDA PPRL?

Gestation Aging ships an update every 23 months, and USDA PPRL every 2 months. Most recently, Gestation Aging was updated on May 17, 2026 and USDA PPRL on September 14, 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.*