# Countdown Day Tracker vs Bize

The clearest difference is in-app purchases: Bize at none against Countdown Day Tracker's 2. Bize also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 4 months). Countdown Day Tracker's advantage is iOS requirement (15.0 vs 18.6). On price and device support there is nothing between them.

Both are free to download. Countdown Day Tracker sells 2 in-app purchases, starting at $0.99 per month. Bize asks for nothing beyond the download.

Countdown Day Tracker ships an update every 4 months, Bize every 2 weeks. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Countdown Day Tracker | Bize |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 17 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Hasan Basri Ozturk](https://appshunter.io/developer/1607706650) | [Hamza Batuhan Kasar](https://appshunter.io/developer/1759709823) |

## What reviewers say

### Countdown Day Tracker

[App page](https://appshunter.io/ios/app/countdown-day-tracker/id6475370113)

Never miss an important date again. This app helps you track upcoming events like birthdays and anniversaries, showing the remaining days, hours, and minutes. You can also reflect on past milestones by tracking time elapsed since they occurred.

**Highlights:** Custom countdowns for future events, Track time elapsed since past events, Real-time countdowns, Intuitive interface, Monthly and annual subscription options

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $8.99 | per year |


### Bize

[App page](https://appshunter.io/ios/app/bize-sat-mmo/id6784030954)

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

**In-app purchases:** none


## Frequently asked questions

### Is Countdown Day Tracker free?

Countdown Day Tracker is free to download, with in-app purchases available.

### Is Bize free?

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

### Do Countdown Day Tracker or Bize have ads?

Countdown Day Tracker shows ads; Bize does not.

### Which is updated more often, Countdown Day Tracker or Bize?

Countdown Day Tracker ships an update every 4 months, and Bize every 2 weeks. Most recently, Countdown Day Tracker was updated on October 2, 2026 and Bize on October 3, 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.*