# Sundown vs Lunar Timer

The clearest difference is ads: Sundown at none against Lunar Timer's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Sundown sells 1 one-off in-app purchase and Lunar Timer sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Sundown ships an update every 4 weeks, Lunar Timer every 2 weeks. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Sundown | Lunar Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (9 ratings)](https://appshunter.io/ios/app/sundown-sunrisesunset-alerts/id6711351809/reviews)** | — |
| Number of ratings | **9** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 21 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Recursive Ink Ltd](https://appshunter.io/developer/1770059606) | [ATSUKO MOTOYAMA](https://appshunter.io/developer/1868868796) |

## What reviewers say

### Sundown

[App page](https://appshunter.io/ios/app/sundown-sunrisesunset-alerts/id6711351809)

Plan your daily activities and events around natural daylight cycles. Set alarms and reminders linked to sunrise and sunset times, perfect for outdoor activities, photography, or daily routines. Get accurate solar timings for thousands of locations worldwide.

**Highlights:** Sunrise/sunset time alerts, Event scheduling linked to solar cycles, Customizable timeline, Future date planning, Data for 57,000+ locations, Offline functionality, Yearly summary charts

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sundown Gold | $5.99 | one-time |


### Lunar Timer

[App page](https://appshunter.io/ios/app/lunar-timer/id6757776396)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $1.99 | per month |


## Frequently asked questions

### Is Sundown free?

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

### Is Lunar Timer free?

Lunar Timer is free to download, with in-app purchases available.

### Do Sundown or Lunar Timer have ads?

Lunar Timer shows ads; Sundown does not.

### Which is updated more often, Sundown or Lunar Timer?

Sundown ships an update every 4 weeks, and Lunar Timer every 2 weeks. Most recently, Sundown was updated on October 7, 2026 and Lunar Timer on October 15, 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.*