# Math Simply vs Dozen Clock

The clearest difference is update cadence: Dozen Clock at every 2 days against Math Simply's every 2 months. Dozen Clock also leads on device support (5 vs 2) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Math Simply costs $1.99 and Dozen Clock $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Math Simply ships an update every 2 months, Dozen Clock every 2 days. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Math Simply | Dozen Clock |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Paid | — |
| Size | 4 MB | 2 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [振捷 周](https://appshunter.io/developer/1526093328) | [Gergo Blasko](https://appshunter.io/developer/1767828070) |

## What reviewers say

### Math Simply

[App page](https://appshunter.io/ios/app/math-simply/id6468932496)

This app offers a simple, ad-free calculator with a home screen widget for quick calculations. It also includes a comprehensive unit converter and extensive personalization options. Future updates are included with a one-time purchase.

**Highlights:** Home screen widget calculator, Unit converter (100+ units), Cache memory function, User-friendly hints, Global localization, Personalization options, One-time purchase for life

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

**In-app purchases:** none


### Dozen Clock

[App page](https://appshunter.io/ios/app/dozen-clock/id6733246889)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Math Simply free?

Math Simply costs $1.99, with no in-app purchases.

### Is Dozen Clock free?

Dozen Clock costs $1.99, with no in-app purchases.

### Do Math Simply or Dozen Clock have ads?

Neither Math Simply nor Dozen Clock shows ads.

### Which is updated more often, Math Simply or Dozen Clock?

Math Simply ships an update every 2 months, and Dozen Clock every 2 days. Most recently, Math Simply was updated on September 19, 2026 and Dozen Clock on September 21, 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.*