# Smooth Countdown vs bombClock

The clearest difference is price: bombClock at Free against Smooth Countdown's $0.99. bombClock also leads on update cadence (monthly vs every 21 months). Smooth Countdown's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

bombClock is free to download; Smooth Countdown costs $0.99 up front. bombClock sells 1 one-off in-app purchase. Smooth Countdown asks for nothing beyond the download.

Smooth Countdown ships an update every 21 months, bombClock monthly. The most recent releases landed on October 4, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Smooth Countdown | bombClock |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bombclock/id6499040899/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Monthly** |
| Monetization | — | Free |
| Size | 1 MB | 190 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [JUAN CARLOS BIVIA MENDOZA](https://appshunter.io/developer/1742200600) |

## What reviewers say

### Smooth Countdown

[App page](https://appshunter.io/ios/app/smooth-countdown/id485337187)

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

**In-app purchases:** none


### bombClock

[App page](https://appshunter.io/ios/app/bombclock/id6499040899)

This app uses a timed bomb countdown to encourage children to complete tasks. Set a timer, and earn points for finishing on time or for the bomb's explosion. It provides audio cues and a countdown for the final seconds.

**Highlights:** Timed task motivation, Point history tracking, Explosion score, 30-second audio cues, 10-second countdown

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| bombClock Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is Smooth Countdown free?

Smooth Countdown costs $0.99, with no in-app purchases.

### Is bombClock free?

bombClock is free to download, with in-app purchases available.

### Do Smooth Countdown or bombClock have ads?

Neither Smooth Countdown nor bombClock shows ads.

### Which is updated more often, Smooth Countdown or bombClock?

Smooth Countdown ships an update every 21 months, and bombClock monthly. Most recently, Smooth Countdown was updated on October 4, 2026 and bombClock on October 18, 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.*