# Sunlight Clock Free vs Forecast Clock

The clearest difference is ads: Sunlight Clock Free at none against Forecast Clock's shown. Sunlight Clock Free also leads on update cadence (every 18 months vs every 104 months) and iOS requirement (8.0 vs 14.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sunlight Clock Free ships an update every 18 months, Forecast Clock every 104 months. The most recent releases landed on October 31, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Sunlight Clock Free | Forecast Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (10 ratings)](https://appshunter.io/ios/app/sunlight-clock-free/id319009777/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 74.4% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 18 months** | Every 104 months |
| Monetization | Free | — |
| Size | 12 MB | 8 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Milk LLC](https://appshunter.io/developer/568486264) | [Ramalingam Sivaramakrishnan](https://appshunter.io/developer/892706271) |

## What reviewers say

### Sunlight Clock Free

[App page](https://appshunter.io/ios/app/sunlight-clock-free/id319009777)

Visualize the current sunlight and darkness across the globe with interactive map projections. Track the sun's position or your own location automatically, or manually explore the map.

**Highlights:** Real-time sunlight visualization, Multiple map projections, Automatic sun/location tracking, Manual map scrolling, Interactive globe view

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

**In-app purchases:** none


### Forecast Clock

[App page](https://appshunter.io/ios/app/forecast-clock-live/id1130755557)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sunlight Clock Free free?

Sunlight Clock Free is free to download, with no in-app purchases.

### Is Forecast Clock free?

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

### Do Sunlight Clock Free or Forecast Clock have ads?

Forecast Clock shows ads; Sunlight Clock Free does not.

### Which is updated more often, Sunlight Clock Free or Forecast Clock?

Sunlight Clock Free ships an update every 18 months, and Forecast Clock every 104 months. Most recently, Sunlight Clock Free was updated on October 31, 2026 and Forecast Clock on November 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.*