# Treated Wood Guide vs Polynomial Solver Step by Step

The clearest difference is rating: Polynomial Solver Step by Step at 5.0 against Treated Wood Guide's 3.0. Polynomial Solver Step by Step also leads on ads (none vs shown) and update cadence (every 4 days vs every 5 months). On price, ratings volume, 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.

Polynomial Solver Step by Step holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Treated Wood Guide ships an update every 5 months, Polynomial Solver Step by Step every 4 days. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Treated Wood Guide | Polynomial Solver Step by Step |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/treated-wood-guide/id656031896/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/polynomial-solver-step-by-step/id6738137256/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | Ad-supported | **Free** |
| Size | 40 MB | 4 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Western Wood Preservers Institute](https://appshunter.io/developer/656031899) | [Yuri Morozov](https://appshunter.io/developer/1582368813) |

## What reviewers say

### Treated Wood Guide

[App page](https://appshunter.io/ios/app/treated-wood-guide/id656031896)

This app provides comprehensive information on identifying, specifying, and using preservative-treated wood. It covers preservatives, the AWPA Use Category system, fire-retardant treatments, and environmental benefits compared to alternatives. Learn about aquatic applications and best practices for sensitive environments.

**Highlights:** Identify treated wood products, Understand wood preservatives, Learn AWPA Use Category system, Explore fire-retardant treatments, Videos on wood preservation, Environmental benefits of wood, Aquatic application guidance

**Features:** macOS Compatibility

**In-app purchases:** none


### Polynomial Solver Step by Step

[App page](https://appshunter.io/ios/app/polynomial-solver-step-by-step/id6738137256)

This app serves as a calculator and educational tool for students learning algebra. It offers step-by-step explanations for polynomial operations, root finding, and advanced iterative solving methods, complemented by interactive graphs.

**Highlights:** Polynomial multiplication and division, Rational root finding algorithm, Iterative solving methods (Durand-Kerner, Aberth, Newton, etc.), Interactive polynomial and derivative graphs, Complex plane visualizations of algorithms, Links to online references

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Treated Wood Guide free?

Treated Wood Guide is free to download, with no in-app purchases.

### Is Polynomial Solver Step by Step free?

Polynomial Solver Step by Step is free to download, with no in-app purchases.

### Which has better reviews, Treated Wood Guide or Polynomial Solver Step by Step?

Polynomial Solver Step by Step is rated higher. Treated Wood Guide averages 3.0 out of 5 from 2 ratings, while Polynomial Solver Step by Step averages 5.0 from 1 ratings.

### Do Treated Wood Guide or Polynomial Solver Step by Step have ads?

Treated Wood Guide shows ads; Polynomial Solver Step by Step does not.

### Which is updated more often, Treated Wood Guide or Polynomial Solver Step by Step?

Treated Wood Guide ships an update every 5 months, and Polynomial Solver Step by Step every 4 days. Most recently, Treated Wood Guide was updated on October 7, 2026 and Polynomial Solver Step by Step on October 2, 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.*