# Dozenal Calc vs Popo Math

The clearest difference is device support: Dozenal Calc at 5 against Popo Math's 1. Dozenal Calc also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, 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.

Dozenal Calc ships an update every 3 days, Popo Math every 4 days. The most recent releases landed on November 5, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Dozenal Calc | Popo Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 32 MB | 18 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Eric Naville](https://appshunter.io/developer/6777149198) | [BLUEWHALE NETWORK LLC.](https://appshunter.io/developer/1826350872) |

## What reviewers say

### Dozenal Calc

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

**Features:** Apple Watch app

**In-app purchases:** none


### Popo Math

[App page](https://appshunter.io/ios/app/popo-math-play-and-learn/id6821630542)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dozenal Calc free?

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

### Is Popo Math free?

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

### Do Dozenal Calc or Popo Math have ads?

Neither Dozenal Calc nor Popo Math shows ads.

### Which is updated more often, Dozenal Calc or Popo Math?

Dozenal Calc ships an update every 3 days, and Popo Math every 4 days. Most recently, Dozenal Calc was updated on November 5, 2026 and Popo Math on October 29, 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.*