# 0zone vs CountUp

The clearest difference is in-app purchases: 0zone at none against CountUp's 1. 0zone also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. CountUp sells 1 one-off in-app purchase. 0zone asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on September 17, 2026 and June 28, 2026 respectively.

## The numbers

| Metric | 0zone | CountUp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 10 MB |
| Requires iOS | **18.0** | 18.2 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Sang Min Kim](https://appshunter.io/developer/1625895027) | [Boyle Sim](https://appshunter.io/developer/1806031422) |

## What reviewers say

### 0zone

[App page](https://appshunter.io/ios/app/0zone/id6739350281)

**Features:** macOS Compatibility

**In-app purchases:** none


### CountUp

[App page](https://appshunter.io/ios/app/countup-tap-counter-and-tracker/id6745539397)

A straightforward and visually appealing application designed for tracking daily routines, workouts, and habits. Its core functionality involves simple tapping to increment counts, with an optional upgrade for an ad-free experience and Apple Watch integration.

**Highlights:** Tap to count, Minimalist design, Habit tracking, Workout logging, Apple Watch support (Pro), Ad-free experience (Pro)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CountUp Pro Upgrade | $1.99 | one-time |


## Frequently asked questions

### Is 0zone free?

0zone is free to download, with no in-app purchases.

### Is CountUp free?

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

### Do 0zone or CountUp have ads?

CountUp shows ads; 0zone does not.

### Which is updated more often, 0zone or CountUp?

0zone ships an update every 3 days, and CountUp every 3 days. Most recently, 0zone was updated on September 17, 2026 and CountUp on June 28, 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.*