# WPA vs Dyna

The clearest difference is rating: Dyna at 5.0 against WPA's 4.2. WPA's advantage is update cadence (every 2 months vs every 9 months) and iOS requirement (10.3 vs 15.1). On price, ratings volume, 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.

Dyna holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

WPA ships an update every 2 months, Dyna every 9 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | WPA | Dyna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/wpa/id975727469/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dyna-gro-seed/id6446418205/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 75 MB | 15 MB |
| Requires iOS | **10.3** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 17+ |
| Developer | [Waypoint Analytical, Inc.](https://appshunter.io/developer/975727468) | [Nutrien AG Solutions, Inc.](https://appshunter.io/developer/516392831) |

## What reviewers say

### WPA

[App page](https://appshunter.io/ios/app/wpa/id975727469)

This business application allows clients to track lab samples, order supplies, and submit samples electronically. Users can also access historical data, check invoices, and view payment history.

**Highlights:** Track sample flow through the lab, Order supplies, Streamline sample submission, Electronic sample submittal forms, Check invoice and payment history, Access historical samples

**Features:** macOS Compatibility

**In-app purchases:** none


### Dyna

[App page](https://appshunter.io/ios/app/dyna-gro-seed/id6446418205)

This app helps calculate seeding rates, calibrate rice drills, and determine seed spacing for agricultural purposes. It provides essential tools for efficient crop planting and management.

**Highlights:** Seeding rate calculation, Rice drill calibration, Seed spacing calculation, Agricultural planting tools

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WPA free?

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

### Is Dyna free?

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

### Which has better reviews, WPA or Dyna?

Dyna is rated higher. WPA averages 4.2 out of 5 from 5 ratings, while Dyna averages 5.0 from 2 ratings.

### Do WPA or Dyna have ads?

Neither WPA nor Dyna shows ads.

### Which is updated more often, WPA or Dyna?

WPA ships an update every 2 months, and Dyna every 9 months. Most recently, WPA was updated on November 1, 2026 and Dyna on November 3, 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.*