Sleep Music Timer vs Alertcal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sleep Music Timer
Drift off to sleep with your favorite tunes. This utility app stops music playback after a set duration, conserving your device's battery. Enjoy uninterrupted rest with a simple, ad-free experience.
- Set custom sleep timer
- Automatic music stop
- Device battery saving
- Ad-free experience
- Minimal brightness display
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This app allows you to fall asleep with favorite music. It stops music after selected time for device battery saving. How it works: 1. Open music player and start music. For example, default iPhone player. 2. Return to this app, select time and press 'START' button. 3. Don't quit from app! Display will work on minimum brightness. 4. Music will be stopped and display will be turned off soon when timer fires. No ads! Enjoy!
Alertcal
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Never miss an important event again. Alertcal transforms your calendar notifications into real alarms that demand your attention. Instead of a quiet push notification that disappears, you get a powerful alarm before your event begins. Meetings. School pickups. Workouts. Flights. Deadlines. If it is on your calendar, you will be ready. How it works: Connect your existing calendar Choose how many minutes before an event you want to be alerted Receive a loud, persistent alarm that makes sure you act Features: Custom alarm timing for each event Strong alerts that stand out from normal notifications Snooze support Works with your current calendar setup Clean, simple interface Stop relying on notifications you ignore. Start using alarms that keep you accountable. Alertcal helps professionals, parents, students, and busy people stay prepared and on time. Be early. Be prepared. Be aware.
Screenshots
Verdict
The clearest difference is price: Sleep Music Timer at Free against Alertcal's $1.99. Sleep Music Timer also leads on iOS requirement (12.0 vs 26.0). Alertcal's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 8 months). On ads 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
Sleep Music Timer is free to download; Alertcal costs $1.99 up front. Sleep Music Timer sells 1 one-off in-app purchase. Alertcal asks for nothing beyond the download.
Sleep Music Timer ships an update every 8 months, Alertcal every 3 weeks. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.
| Parameter | Sleep Music Timer | Alertcal |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.5 (7.4K ratings) — better | — |
| Positive reviews | 90.0% of reviews | — |
| Number of ratings | 7.4K — better | — |
| Update frequency | Every 8 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 10 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Maksim Tolstov | Scott Foster |
Bugs and requests
Sleep Music Timer
Reported bugs
2 issues- Timer doesn't always work as expected
- Music sometimes continues playing after timer ends
Requested features
3 requests- Longer timer options (90 minutes, 2 hours)
- Fade out music instead of abrupt stop
- Automatically turn off phone after timer ends
Alertcal
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sleep Music Timer
- Coffee cup$1.99
Alertcal
No in-app purchases
Questions
Is Sleep Music Timer free?
Is Alertcal free?
Do Sleep Music Timer or Alertcal have ads?
Which is updated more often, Sleep Music Timer or Alertcal?
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