Sun Light Hours vs Solar System Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sun Light Hours
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- This shows daylight hours in any latitude on any given day - You can also see some information about each planet in our solar system
Solar System Clock
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See the positions of all planets in our Solar System based on the current date. Or, you can set your own custom date to see the alignment of our planets from a future date or a past date. You can use this app to find out the best time to watch a planet in the sky by finding out when it will be closest to Earth.
Screenshots
Verdict
The clearest difference is in-app purchases: Solar System Clock at none against Sun Light Hours's 7. Solar System Clock also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Sun Light Hours sells 7 one-off in-app purchases. Solar System Clock asks for nothing beyond the download.
Sun Light Hours ships an update every 3 days, Solar System Clock every 2 days. The most recent releases landed on September 14, 2026 and August 15, 2026 respectively.
| Parameter | Sun Light Hours | Solar System Clock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | Every 2 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 16.6 | 16.6 |
| Further details — not scored | ||
| Size | 43 MB | 5 MB |
| Age rating | 17+ | 4+ |
| Developer | NovaNext | Mateusz Andrzejczuk |
In-app purchases
Sun Light Hours
- Coffee$0.99
- Remove Ads$0.99
- Donate $3$2.99
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- Donate $5$4.99
- Donate $10$9.99
- Donate $15$14.99
- Donate $20$19.99
Solar System Clock
No in-app purchases
Questions
Is Sun Light Hours free?
Is Solar System Clock free?
Do Sun Light Hours or Solar System Clock have ads?
Which is updated more often, Sun Light Hours or Solar System Clock?
Other comparisons
