Comparison

Phase vs DeepSleep

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

Head to head
About

Phase

This app guides you through a personalized daily plan to gradually shift your sleep schedule. It provides timed nudges based on your local sunrise and sunset to help you achieve your desired bedtime and wake-up times.

Highlights
  • Personalized day-by-day sleep schedule
  • Science-backed daily nudges
  • Multiple sleep programs for different needs
  • Location-aware sunrise/sunset sync
  • Offline functionality
  • HealthKit integration
  • Home and Lock Screen widgets
Features
Read full description

Your sleep schedule is off. Phase shifts it back — one day at a time. Phase is a guided program that fixes your broken sleep schedule through small, progressive daily shifts. No vague advice. No endless tracking. Just a clear plan that moves your bedtime and wake time closer to your goal — 15 minutes at a time. Tell Phase when you currently sleep, when you want to sleep, and it builds a personalized day-by-day plan to get you there. HOW IT WORKS - Pick a program that fits your situation - Set your current and goal sleep times - Get a personalized day-by-day schedule - Follow science-backed daily nudges - Watch your sleep shift into place 6 SLEEP PROGRAMS Phase is not one-size-fits-all. Pick the program that matches your situation: - Sleep Schedule Reset — the original 14-day phase shift - Night Owl Fix — stop going to bed at 3 AM - Jet Lag Recovery — get back on local time fast - Weekend Drift Reset — fix the Sunday-night-to-Monday-morning gap - Shift Work Transition — adjust to a new work schedule - Early Riser Challenge — become a morning person in two weeks YOUR DAILY NUDGES Every day, Phase gives you timed nudges based on your schedule and your local sunrise and sunset: - Morning Light — get sunlight early to reset your internal clock - Caffeine Cutoff — stop caffeine at the right time so it does not interfere with sleep - Screen Dim — reduce blue light before bed to protect melatonin - Wind Down — start your pre-sleep routine at the right moment - Bedtime — hit the pillow at your new target time All nudge times adjust automatically as your schedule shifts forward each day. Toggle nudges on or off and fine-tune timing to fit your life. WIDGETS AND LIVE ACTIVITY - Home Screen and Lock Screen widgets for sun position, nudge checklist, bedtime countdown, and sleep stats - Bedtime Live Activity — a countdown on your Lock Screen and Dynamic Island as bedtime approaches - Bedtime alarm that rings through Silent Mode and Do Not Disturb WHAT MAKES PHASE DIFFERENT - A real program, not a tracker — a clear plan with a finish line - Location-aware — nudge times sync with your actual sunrise and sunset - Works offline — no account, no login, no cloud - Science-backed — based on circadian rhythm research - Beautiful Sun Arc — a visual map of your day showing light, nudges, and targets - Schedule exceptions — have an early flight? Adjust one day without breaking your plan - Takes 30 seconds to set up TRACK YOUR PROGRESS See your journey laid out. Check off each day. Build streaks. Get encouragement when you need it. Know exactly how far you have come and how close you are to your goal. HEALTHKIT INTEGRATION Phase reads your sleep, sunlight, exercise, and caffeine data from Apple Health to auto-verify nudges and show activity bars on your daily timeline. Phase never writes to HealthKit — your data stays yours. BUILT FOR FOCUS No charts. No dashboards. No social features. Phase does one thing and does it well — it fixes your sleep schedule. Your body has a clock. Phase helps you reset it. Terms of Use: https://www.theblackholecompany.com/termsConditions.html

About

DeepSleep

Features
Read full description

Subtitle : Find your inner peace, one breath at a time. Body: DeepSleep-Minimalist is a sanctuary for those seeking a pure, distraction-free environment to improve sleep and mindfulness. We believe that true relaxation shouldn’t be complicated. That’s why we’ve stripped away the noise, the social feeds, and the intrusive ads to give you exactly what you need: Tranquility. Whether you're struggling with a busy mind at night or seeking a moment of focus during a hectic day, DeepSleep-Minimalist provides high-quality ambient sounds and guided breathing exercises to help you recalibrate. Key Features: Minimalist Design: An intuitive, dark-themed interface designed for nighttime use. High-Fidelity Soundscapes: Carefully curated natural environments to lull you into deep sleep. Guided Breathing: Simple yet effective rhythmic breathing patterns to reduce stress and anxiety. Focus Mode: Use our ambient sounds to create a perfect "flow state" for work or study. Ad-Free Experience: No interruptions. No subscriptions. Just peace. Simplify your night. Rediscover your rest with DeepSleep-Minimalist.

Screenshots

Phase4 screens
DeepSleep4 screens

Verdict

The call

The clearest difference is update cadence: DeepSleep at every 4 days against Phase's every 5 weeks. On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Phase sells 6 in-app purchases, starting at $0.99 per 7 days and DeepSleep sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Phase ships an update every 5 weeks, DeepSleep every 4 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
Phase versus DeepSleep: the parameters behind the verdict, then further details
ParameterPhaseDeepSleep
PriceFreeFree
Rating4.8 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 5 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better18.6
Further details — not scored
Size32 MB75 MB
Age rating4+4+
DeveloperYoussef Ismaili洋 吴

In-app purchases

6 purchases

Phase

Subscriptions2
  • Phase Pro$0.997 Days
  • Phase Pro$5.991 Year
One-time4
  • Lifetime Phase Pro$1.99
  • Pro$2.99
  • Lifetime Pro$4.99
Show 1 more
  • Phase Pro$9.99
3 purchases

DeepSleep

One-time3
  • Small Tip$0.99
  • Medium Coffee$1.99
  • Large Coffee$2.99

Questions

Is Phase free?
Phase is free to download, with in-app purchases available.
Is DeepSleep free?
DeepSleep is free to download, with in-app purchases available.
Do Phase or DeepSleep have ads?
Neither Phase nor DeepSleep shows ads.
Which is updated more often, Phase or DeepSleep?
Phase ships an update every 5 weeks, and DeepSleep every 4 days. Most recently, Phase was updated on October 31, 2026 and DeepSleep on October 25, 2026.

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