---
title: "Horizon: Countdown Calendar — App Overview"
url: https://marlvel.ai/intel-report/social-networking/horizon-countdown-calendar
category: Social Networking
developer: Appostrophe AB
platforms: ios, android
rating: 4.3 (7K ratings)
pricing: free
report_level: overview
generated: 2026-04-18
last_verified: "2026-04-18T13:13:01.828Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app offers a simple, visual way to track events, users report significant friction due to the inability to edit existing entries.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Social Networking |
| Rating | 4.3 ★ (7K) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 0.14 |
| Latest Version (Android) | 3.9 |
| Developer | Appostrophe AB |

<!-- SECTION: Summary -->
## What is Horizon: Countdown Calendar?

Horizon is a countdown calendar app designed to help users track and anticipate personal and public events. It allows users to manage everything from life milestones to entertainment releases through a centralized interface with social sharing capabilities.

<!-- SECTION: Key Features -->
## Key Features

- **Event Countdowns**: Create and track countdowns for anticipated personal milestones and entertainment events.
- **Calendar View**: Visualize upcoming events in a chronological calendar format.
- **Social Sharing**: Share tracked events directly with friends.
- **Event Discovery**: Browse and discover new public events to follow.

<!-- SECTION: Target Audience -->
## Who is it for?

Individuals looking to organize and track personal milestones, social events, and entertainment release dates.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/horizon-countdown-calendar/id1523513649?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=countdown.calendar.lite&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/social-networking/horizon-countdown-calendar)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/social-networking/horizon-countdown-calendar).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*