# Shock Math Calculator vs Pomodoro Time Clock

The clearest difference is price: Shock Math Calculator at Free against Pomodoro Time Clock's $0.99. Pomodoro Time Clock's advantage is update cadence (every 3 days vs every 3 weeks) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Shock Math Calculator is free to download; Pomodoro Time Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Shock Math Calculator ships an update every 3 weeks, Pomodoro Time Clock every 3 days. The most recent releases landed on September 18, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | Shock Math Calculator | Pomodoro Time Clock |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 4 MB | 0 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gregory Manley](https://appshunter.io/developer/1650623300) | [JOhn Lyons](https://appshunter.io/developer/571586394) |

## What reviewers say

### Shock Math Calculator

[App page](https://appshunter.io/ios/app/shock-math-calculator/id6443923018)

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

**In-app purchases:** none


### Pomodoro Time Clock

[App page](https://appshunter.io/ios/app/pomodoro-time-clock/id6749347384)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Shock Math Calculator free?

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

### Is Pomodoro Time Clock free?

Pomodoro Time Clock costs $0.99, with no in-app purchases.

### Do Shock Math Calculator or Pomodoro Time Clock have ads?

Neither Shock Math Calculator nor Pomodoro Time Clock shows ads.

### Which is updated more often, Shock Math Calculator or Pomodoro Time Clock?

Shock Math Calculator ships an update every 3 weeks, and Pomodoro Time Clock every 3 days. Most recently, Shock Math Calculator was updated on September 18, 2026 and Pomodoro Time Clock on May 19, 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.*