# SOLAR vs Clock

The clearest difference is price: Clock at Free against SOLAR's $2.99. Clock also leads on update cadence (daily vs fortnightly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Clock is free to download; SOLAR costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SOLAR ships an update fortnightly, Clock daily. Both last shipped on November 10, 2026.

## The numbers

| Metric | SOLAR | Clock |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 25 MB | 10 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [timothe marcellin](https://appshunter.io/developer/6810464369) | [Qubera](https://appshunter.io/developer/1887841214) |

## What reviewers say

### SOLAR

[App page](https://appshunter.io/ios/app/solar-sun-tracker-and-time/id6810464367)

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

**In-app purchases:** none


### Clock

[App page](https://appshunter.io/ios/app/clock-it-watch-widget/id6816851227)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SOLAR free?

SOLAR costs $2.99, with no in-app purchases.

### Is Clock free?

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

### Do SOLAR or Clock have ads?

Neither SOLAR nor Clock shows ads.

### Which is updated more often, SOLAR or Clock?

SOLAR ships an update fortnightly, and Clock daily. Most recently, SOLAR was updated on November 10, 2026 and Clock on November 10, 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.*