Comparison

Sleep When I Sleep vs Smart Sleep Timer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sleep When I Sleep

This app alerts you when you're falling asleep while listening to audiobooks or podcasts. It pauses playback to help you easily find your place again. It utilizes Apple Watch health data to detect sleep and offers a reset function for continued use.

Highlights
  • Sleep detection alerts
  • Automatic audio playback pause
  • Apple Watch integration
  • Adjustable sensitivity
  • Easy start/stop functionality
Read full description

Audiobook & podcast users know that it is almost impossible to find your place once you have fallen asleep and play has continued. SWIS – Sleep when I sleep. Here is what you will love about SWIS for iOS: It is so easy to use. SWIS alerts you that you are falling asleep & if not dismissed will pause audio playback making it easier to find where you left off in a story or podcast. SWIS detects that you are falling asleep & sends you an alert through the watch. We recommend that you stop audio playback when alerted. However, should you feel that you are not falling asleep and dismiss it the App will reset at a less sensitive level and alert you should it again detect sleep. SWIS uses health data from your Apple Watch to determine that you are falling asleep. For accuracy, this data updates throughout the day. Simply open SWIS on your watch when you are listening to audio and press Start. When alerted or when finished press Stop. Apple Watch required. DO NOT RELY ON SWIS TO ALERT YOU THAT YOU MAY BE FALLING ASLEEP WHEN DRIVING. Apple standard Terms of use apply and can be found at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

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.

Highlights
  • Snore detection for automatic pausing
  • Customizable manual timers
  • Seamless integration with media apps
  • Battery and data saving
  • Adjusts to user's sleep patterns
Features
Read full description

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

Sleep When I Sleep3 screens
Smart Sleep Timer4 screens

Verdict

The call

The clearest difference is rating: Smart Sleep Timer at 5.0 against Sleep When I Sleep's 1.0. Smart Sleep Timer also leads on in-app purchases (none vs 1). Sleep When I Sleep's advantage is iOS requirement (11.1 vs 18.2). On price, ratings volume, update cadence and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sleep When I Sleep sells 1 in-app purchase, starting at $5.49 per year. Smart Sleep Timer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Smart Sleep Timer holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

UpkeepUpdate frequency

Sleep When I Sleep ships an update every 4 months, Smart Sleep Timer every 8 months. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

Scorecard4 real differences · 6 level
Sleep When I Sleep versus Smart Sleep Timer: the parameters behind the verdict, then further details
ParameterSleep When I SleepSmart Sleep Timer
PriceFreeFree
Rating1.0 (2 ratings)5.0 (5 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings25 — better
Update frequencyEvery 4 months — betterEvery 8 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPad
Requires iOS11.1 — better18.2
Further details — not scored
Size35 MB11 MB
Age rating4+4+
DeveloperSWIS APP LTDBRIDGETECH SOLUTIONS LIMITED

Customer experience

Sleep When I Sleep

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews5 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Smart Sleep Timer

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Sleep When I Sleep

Subscriptions1
  • 7 Day Free Trial7 Days trial$5.491 Year
None

Smart Sleep Timer

No in-app purchases

Questions

Is Sleep When I Sleep free?
Sleep When I Sleep is free to download, with in-app purchases available.
Is Smart Sleep Timer free?
Smart Sleep Timer is free to download, with no in-app purchases.
Which has better reviews, Sleep When I Sleep or Smart Sleep Timer?
Smart Sleep Timer is rated higher. Sleep When I Sleep averages 1.0 out of 5 from 2 ratings, while Smart Sleep Timer averages 5.0 from 5 ratings.
Do Sleep When I Sleep or Smart Sleep Timer have ads?
Neither Sleep When I Sleep nor Smart Sleep Timer shows ads.
Which is updated more often, Sleep When I Sleep or Smart Sleep Timer?
Sleep When I Sleep ships an update every 4 months, and Smart Sleep Timer every 8 months. Most recently, Sleep When I Sleep was updated on October 6, 2026 and Smart Sleep Timer on October 3, 2026.

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