# Important Dates vs Countdown Builder

The clearest difference is price: Important Dates at Free against Countdown Builder's $0.99. Important Dates also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.0). On update cadence, in-app purchases and device support there is nothing between them.

Important Dates is free to download; Countdown Builder costs $0.99 up front. Important Dates sells 3 one-off in-app purchases and Countdown Builder sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Important Dates | Countdown Builder |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.9 (41 ratings)](https://appshunter.io/ios/app/important-dates-countdown/id1625185222/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 11 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Roman Kotov](https://appshunter.io/developer/912021271) | [Kalavathi Ekambaram](https://appshunter.io/developer/912222873) |

## What reviewers say

### Important Dates

[App page](https://appshunter.io/ios/app/important-dates-countdown/id1625185222)

Easily track upcoming events or past milestones with this intuitive day counter. Organize events with custom folders, set personalized reminders, and view countdowns directly on your home screen. Make every moment count by staying on top of what matters most.

**Highlights:** Unlimited event tracking, Custom event organization with folders, Personalized reminders and notifications, Home screen widgets for instant updates, Track days remaining and days elapsed, Unique automatically generated backgrounds

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support the project | $1.99 | one-time |
| Support the project | $9.99 | one-time |
| Support the project | $19.99 | one-time |


### Countdown Builder

[App page](https://appshunter.io/ios/app/countdown-builder/id6745096791)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EventCountdown Premium | $0.99 | one-time |


## Frequently asked questions

### Is Important Dates free?

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

### Is Countdown Builder free?

Countdown Builder costs $0.99, and also offers in-app purchases.

### Do Important Dates or Countdown Builder have ads?

Countdown Builder shows ads; Important Dates does not.

### Which is updated more often, Important Dates or Countdown Builder?

Important Dates ships an update every 2 weeks, and Countdown Builder every 2 weeks. Most recently, Important Dates was updated on October 2, 2026 and Countdown Builder on September 29, 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.*