# Automatic Sleep Tracker vs Lucky Countdown

The clearest difference is price: Lucky Countdown at Free against Automatic Sleep Tracker's $2.99. Lucky Countdown also leads on update cadence (every 5 weeks vs every 3 months). Automatic Sleep Tracker's advantage is in-app purchases (none vs 2) and device support (4 vs 1). On ads there is nothing between them.

Lucky Countdown is free to download; Automatic Sleep Tracker costs $2.99 up front. Lucky Countdown sells 2 one-off in-app purchases. Automatic Sleep Tracker asks for nothing beyond the download.

Automatic Sleep Tracker ships an update every 3 months, Lucky Countdown every 5 weeks. The most recent releases landed on September 12, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Automatic Sleep Tracker | Lucky Countdown |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 2 MB | 46 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [泳诗 陈](https://appshunter.io/developer/1548283802) | [俊辰 黎](https://appshunter.io/developer/1813083979) |

## What reviewers say

### Automatic Sleep Tracker

[App page](https://appshunter.io/ios/app/automatic-sleep-tracker/id6740508199)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Lucky Countdown

[App page](https://appshunter.io/ios/app/lucky-countdown/id6751701911)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Merit +10,000 | $0.99 | one-time |
| Merit +100,000 | $2.99 | one-time |


## Frequently asked questions

### Is Automatic Sleep Tracker free?

Automatic Sleep Tracker costs $2.99, with no in-app purchases.

### Is Lucky Countdown free?

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

### Do Automatic Sleep Tracker or Lucky Countdown have ads?

Neither Automatic Sleep Tracker nor Lucky Countdown shows ads.

### Which is updated more often, Automatic Sleep Tracker or Lucky Countdown?

Automatic Sleep Tracker ships an update every 3 months, and Lucky Countdown every 5 weeks. Most recently, Automatic Sleep Tracker was updated on September 12, 2026 and Lucky Countdown on September 8, 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.*