Smooth Clock vs Keep Screen On
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smooth Clock
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Turn your device into a clock with a smoothly animated background. Features: - toggle between day and night mode - choose from 4 different animations - animate random, rainbow or gray colors - 3 different animation speeds - supports the 12 and 24 hour format
Keep Screen On
This utility prevents your device from entering sleep mode while running specific tasks, such as waiting for code builds to finish. It offers customizable timeout settings and an alarm notification upon completion.
- Prevents device sleep mode
- Useful for code builds
- Customizable timeout
- Alarm notification
- Runs in background
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Very important : This application doesn't modify phone's setting to increase screen auto-lock time. It is just a small trick to keep screen on when running. Tip: Pin to dock bar for best experience. This app has the main function is to prevent your device from going to sleep mode, which is convenient for you while waiting for the xcode build is finished. Step 1: Run the app (on your device). Step 2: Use Xcode to build and deploy your application onto the device. Step 3: App will prevent your device from falling into sleep mode and hide in the background when your application is deployed. You can set the maximum timeout to avoid the case when your application fails to deploy , make the app stuck on waiting. You can also set an alarm when your application has been deployed
Screenshots
Verdict
The clearest difference is update cadence: Keep Screen On at every 5 months against Smooth Clock's every 11 months. Keep Screen On also leads on iOS requirement (12.0 vs 15.6). On price, ads, 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
Smooth Clock costs $0.99 and Keep Screen On $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Smooth Clock ships an update every 11 months, Keep Screen On every 5 months. The most recent releases landed on September 25, 2026 and September 9, 2026 respectively.
| Parameter | Smooth Clock | Keep Screen On |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | — | 2.0 (12 ratings) — better |
| Positive reviews | — | 40.0% of reviews |
| Number of ratings | — | 12 — better |
| Update frequency | Every 11 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Piet Jonas | Duy Nguyen |
In-app purchases
Smooth Clock
No in-app purchases
Keep Screen On
No in-app purchases
Questions
Is Smooth Clock free?
Is Keep Screen On free?
Do Smooth Clock or Keep Screen On have ads?
Which is updated more often, Smooth Clock or Keep Screen On?
Other comparisons
