Forecast Clock vs Cosmic Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Forecast Clock
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Forecast Clock-Free is a simple digital clock with a local weather forecast. It can beep alert every hour if set to the Beep Mode. With a clean day and night mode, the Digital Clock is the best companion ever made for you!.
Cosmic Clock
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This app will send you an alert when the sun rises, or when the twilight hour starts. You can choose between civil twilight, neutical twilight and astrological twilight. Use this app to syncronise your circadian rhythm to sunrise or twilight hours. You also have the option of adding the next sunrise, or twilight times on your calendar.
Screenshots
Verdict
The clearest difference is ads: Cosmic Clock at none against Forecast Clock's shown. Cosmic Clock also leads on update cadence (every 4 weeks vs every 104 months) and iOS requirement (12.0 vs 14.0). On price, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Forecast Clock ships an update every 104 months, Cosmic Clock every 4 weeks. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.
| Parameter | Forecast Clock | Cosmic Clock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 104 months | Every 4 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Ramalingam Sivaramakrishnan | Timothy Bowers |
In-app purchases
Forecast Clock
No in-app purchases
Cosmic Clock
No in-app purchases
Questions
Is Forecast Clock free?
Is Cosmic Clock free?
Do Forecast Clock or Cosmic Clock have ads?
Which is updated more often, Forecast Clock or Cosmic Clock?
Other comparisons
