Hidden Timer vs Smart Sleep Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hidden Timer
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A timer app that allows user to hide the time while the timer is running.
Smart Sleep Timer
This app automatically pauses your media playback when you fall asleep or at a set time. It integrates with your favorite audio and video apps to prevent wasted battery and data.
- Snore detection for automatic pausing
- Customizable manual timers
- Seamless integration with media apps
- Battery and data saving
- Adjusts to user's sleep patterns
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Do you drift off listening to podcasts, music, or videos only to wake with hours of missed playback? Smart Sleep Timer's got your back. As you unwind at night or relax in bed, our app stops playback exactly when you wish—without disrupting your sleep. Key Features: • Snore Detection: Advanced sound analysis listens for snoring and pauses playback automatically. • Custom Timers: Prefer manual timing? Set a timer or a specific end time for playback. • Seamless Integration: Compatible with your favorite music, podcast, or video apps. Start playing, and we take care of it. • Save Battery & Data: Keep your device powered by preventing unnecessary playback. Why Smart Sleep Timer? Unlike standard timers, this app adjusts to you. Whether you drift off unexpectedly or seek precise control, Smart Sleep Timer suits your nightly pattern. Perfect For: • Podcast fans who nod off while listening. • Music relaxation without overnight playback worries. • Video streaming where app sleep timers are missing.
Screenshots
Verdict
The clearest difference is ads: Smart Sleep Timer at none against Hidden Timer's shown. Hidden Timer's advantage is update cadence (every 2 weeks vs every 8 months) and iOS requirement (15.8.3 vs 18.2). 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.
Hidden Timer ships an update every 2 weeks, Smart Sleep Timer every 8 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.
| Parameter | Hidden Timer | Smart Sleep Timer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Number of ratings | — | 5 — better |
| Update frequency | Every 2 weeks — better | Every 8 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.8.3 — better | 18.2 |
| Further details — not scored | ||
| Size | 35 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Hideaki Uchikoshi | BRIDGETECH SOLUTIONS LIMITED |
In-app purchases
Hidden Timer
No in-app purchases
Smart Sleep Timer
No in-app purchases
Questions
Is Hidden Timer free?
Is Smart Sleep Timer free?
Do Hidden Timer or Smart Sleep Timer have ads?
Which is updated more often, Hidden Timer or Smart Sleep Timer?
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