# Countdown to Big Events vs Klin

The clearest difference is price: Klin at Free against Countdown to Big Events's $0.99. Klin also leads on in-app purchases (none vs 1). Countdown to Big Events's advantage is update cadence (every 2 months vs every 6 months). On ads, device support and iOS requirement there is nothing between them.

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

Countdown to Big Events ships an update every 2 months, Klin every 6 months. The most recent releases landed on October 22, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Countdown to Big Events | Klin |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.8 (691 ratings)](https://appshunter.io/ios/app/countdown-to-big-events/id482358013/reviews)** | — |
| Number of ratings | **691** | — |
| Positive reviews | 89.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 21 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Tsopanakis](https://appshunter.io/developer/471022214) | [Klin](https://appshunter.io/developer/1457588047) |

## What reviewers say

### Countdown to Big Events

[App page](https://appshunter.io/ios/app/countdown-to-big-events/id482358013)

Track important dates and events with a visually appealing countdown. Set reminders, sync across devices, and share your progress. Personalize your countdowns with themes, alarms, and notes.

**Highlights:** Unlimited event countdowns, Customizable themes and alarms, iCloud sync across devices, Today widget for quick view, Full-screen countdown display, Event sharing with social media integration, Countdown and count-up functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Colors Pack | $0.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Simple and effective
- 💡 Useful for tracking events
- 🎨 Colorful and visually appealing
- ⏱️ Precise countdown with seconds

**What reviewers complain about**

- 🐛 App crashes or won't open for some users
- 🔍 Limited customization options
- 🔔 Frequent rating prompts can be annoying
- 🔋 Drains battery when app is running in the background

**Reported bugs**

- Countdown timer stops working when app is in the background
- Notes field not visible for some users
- Contrast issues with blue on grey background

**Requested features**

- Ability to sync events with calendar
- Option to exclude weekends and holidays
- Looping timer that works even when app is in the background
- Vibration or vibration/sound option for timers
- Timer between intervals for workout routines


### Klin

[App page](https://appshunter.io/ios/app/klin/id1457588048)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Countdown to Big Events free?

Countdown to Big Events costs $0.99, and also offers in-app purchases.

### Is Klin free?

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

### Do Countdown to Big Events or Klin have ads?

Neither Countdown to Big Events nor Klin shows ads.

### Which is updated more often, Countdown to Big Events or Klin?

Countdown to Big Events ships an update every 2 months, and Klin every 6 months. Most recently, Countdown to Big Events was updated on October 22, 2026 and Klin on October 2, 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.*