Sleep When I Sleep vs The Sentry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Sleep detection alerts
- Automatic audio playback pause
- Apple Watch integration
- Adjustable sensitivity
- Easy start/stop functionality
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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/
The Sentry
This app provides advanced personal security features for teams, including live location sharing, check-ins, and one-touch panic alarms with video capture. It helps deter attackers and ensures team members get home safely.
- Live location sharing
- One-touch panic alarms (loud/silent)
- Video capture with panic alarm
- Check-in feature for lone workers
- Fake call widget
- Global coverage
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Get your team home safe =================== Give your team an advanced personal security App with features including live location sharing, check in function and one touch panic alarms with video capture. Deter would-be attackers and get help ============================= Instantly activate panic alarm using one touch buttons on home screen. User’s live location is immediately sent to their chosen contacts. The loud alarm’s siren sounds and a bright light flashes to attract attention. The silent alarm gives no outward clue that users have summoned help. Disarming the alarm requires user’s biometric or pin code entry. Live location sharing, multiple users, global coverage ======================================= Users share their live location with their network, worldwide coverage. Check in for lone workers, out of office work, students or night staff. Flashing panic alert Icon displays on map, showing where assistance is needed. Multiple users can both see and be seen by their networks on the same map. Just checking in ============= Team members check in at the touch of a button. Users decide timeframe to share their location from 1 minute to 24 hours. Global coverage with multiple users visible on same map. Video capture, just in case ==================== Enable automatic video recording feature for when the panic button is used. Video is stored on user’s phone and on The Sentry secure servers. Users can download video using email link. Safety at your fingertips ================== One touch panic button ------------------------ Activate either a loud or silent alarm from an easy access, one touch panic button on the phone’s home screen. Live location map ------------------- A constantly updating map with global coverage allows multiple users to share their location when they check in or activate their panic alarm. Instant notifications --------------------- An unlimited number of selected contacts receive instant notifications with live location if the user checks in or their panic alarm is triggered. Check in feature ----------------- One click says “I am OK and I am here”. User decides the duration of location sharing from 1 minute to 24 hours. Record Video -------------- This allows video to record when the panic alarm is activated, it will save to the user’s phone and can be uploaded to The Sentry secure servers. 'Fake Call' Widget. -------------- Get out of a tricky situation fast by triggering a fake incoming call from your home screen.
Screenshots
Verdict
The clearest difference is review sentiment: The Sentry at 86% against Sleep When I Sleep's 0%. Sleep When I Sleep's advantage is iOS requirement (11.1 vs 15.0). On price, update cadence, ads and in-app purchases 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. Sleep When I Sleep sells 1 in-app purchase, starting at $5.49 per year and The Sentry sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Sleep When I Sleep ships an update every 4 months, The Sentry every 3 months. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.
| Parameter | Sleep When I Sleep | The Sentry |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 85.7% of reviews — better |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 11.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 35 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | SWIS APP LTD | Stuart Evans |
Customer experience
Sleep When I Sleep
The Sentry
In-app purchases
Sleep When I Sleep
- 7 Day Free Trial7 Days trial$5.491 Year
The Sentry
- Panic Button Premium$1.991 Month
- Panic Button Unlimited$5.491 Month
- Full Version$5.991 Month
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- Full Version - Yearly$59.991 Year
Questions
Is Sleep When I Sleep free?
Is The Sentry free?
Do Sleep When I Sleep or The Sentry have ads?
Which is updated more often, Sleep When I Sleep or The Sentry?
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