SignalClock vs VocalClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SignalClock
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Digital clock has time signal function based on Local Notification Center. 5 different signal sound sets (Digital Clock, Cuckoo, Voice, Whittington Chime,Church Bell). All fonts iOS 10 supports are available in clock. 5 tone type are available in all sound file sets.
VocalClock
This app announces the time aloud at custom intervals, even when your screen is locked. It helps you stay focused by providing passive time awareness without interrupting your current task or app.
- Announces time at custom intervals
- Runs in the background with screen locked
- Adjustable announcement frequency
- Customizable phrases before time announcement
- Smart scheduling for specific days/times
- Natural-sounding Siri voices
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Stop checking your phone just to see the time. VocalClock announces the time aloud at any interval you choose, and keeps working even when your screen is locked. Stay focused, stay present, and let time come to you. STAY IN FLOW Lock your phone. Play music. Switch apps. VocalClock runs in the background and speaks the time without interrupting what you're doing. No more breaking concentration just to glance at the clock. ANY INTERVAL YOU NEED Set announcements from seconds to hours: • Every 30 seconds for precision timing • Every 5 minutes during workouts • Every hour while working • Any custom interval that fits your routine SPEAK IT YOUR WAY • Add a custom phrase before the time • Hear just the time if you prefer • Enable seconds for exact precision • Choose from natural-sounding Siri voices SMART SCHEDULING You don’t need announcements all day. VocalClock speaks only when you want it to: • Choose specific days of the week • Set active start and end times • Delay the start for future sessions DESIGNED FOR • Workouts and interval training • Cooking and task timing • Deep work and productivity • Meditation and mindfulness • Presentations and speaking practice • Anyone who wants passive awareness of time Simple. Reliable. Built to just work. Questions? Email us at: vocalclock.app@gmail.com
Screenshots
Verdict
The clearest difference is price: VocalClock at Free against SignalClock's $0.99. VocalClock also leads on update cadence (every 10 days vs every 5 months). SignalClock's advantage is iOS requirement (12.0 vs 18.6). On 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
VocalClock is free to download; SignalClock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SignalClock ships an update every 5 months, VocalClock every 10 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | SignalClock | VocalClock |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 4.8 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 5 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 103 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Masafumi Endoh | Khuyen Duong |
In-app purchases
SignalClock
No in-app purchases
VocalClock
No in-app purchases









