# Polynomial vs Dozenal Calc

The clearest difference is price: Dozenal Calc at Free against Polynomial's $1.99. Dozenal Calc also leads on update cadence (every 3 days vs monthly) and device support (5 vs 3). On ads and in-app purchases there is nothing between them.

Dozenal Calc is free to download; Polynomial costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Polynomial ships an update monthly, Dozenal Calc every 3 days. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Polynomial | Dozenal Calc |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Size | 36 MB | 32 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) | [Eric Naville](https://appshunter.io/developer/6777149198) |

## What reviewers say

### Polynomial

[App page](https://appshunter.io/ios/app/polynomial-solver-pro/id1619312553)

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

**In-app purchases:** none


### Dozenal Calc

[App page](https://appshunter.io/ios/app/dozenal-calc/id6777149196)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Polynomial free?

Polynomial costs $1.99, with no in-app purchases.

### Is Dozenal Calc free?

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

### Do Polynomial or Dozenal Calc have ads?

Neither Polynomial nor Dozenal Calc shows ads.

### Which is updated more often, Polynomial or Dozenal Calc?

Polynomial ships an update monthly, and Dozenal Calc every 3 days. Most recently, Polynomial was updated on October 11, 2026 and Dozenal Calc on October 9, 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.*