# Sun Light Hours vs Solar System&Celestial Objects

The clearest difference is in-app purchases: Solar System&Celestial Objects at none against Sun Light Hours's 7. Solar System&Celestial Objects also leads on iOS requirement (12.0 vs 16.6). Sun Light Hours's advantage is update cadence (every 3 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Sun Light Hours sells 7 one-off in-app purchases. Solar System&Celestial Objects asks for nothing beyond the download.

Sun Light Hours ships an update every 3 days, Solar System&Celestial Objects every 6 weeks. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Sun Light Hours | Solar System&Celestial Objects |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Size | 43 MB | 62 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [NovaNext](https://appshunter.io/developer/1285557502) | [NIKI TECH](https://appshunter.io/developer/1788609104) |

## What reviewers say

### Sun Light Hours

[App page](https://appshunter.io/ios/app/sun-light-hours/id6499107039)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| Donate $3 | $2.99 | one-time |
| Donate $5 | $4.99 | one-time |
| Donate $10 | $9.99 | one-time |
| Donate $15 | $14.99 | one-time |
| Donate $20 | $19.99 | one-time |


### Solar System&Celestial Objects

[App page](https://appshunter.io/ios/app/solar-system-and-celestial-objects/id6503188651)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sun Light Hours free?

Sun Light Hours is free to download, with in-app purchases available.

### Is Solar System&Celestial Objects free?

Solar System&Celestial Objects is free to download, with no in-app purchases.

### Do Sun Light Hours or Solar System&Celestial Objects have ads?

Both Sun Light Hours and Solar System&Celestial Objects show ads.

### Which is updated more often, Sun Light Hours or Solar System&Celestial Objects?

Sun Light Hours ships an update every 3 days, and Solar System&Celestial Objects every 6 weeks. Most recently, Sun Light Hours was updated on October 1, 2026 and Solar System&Celestial Objects on October 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.*