Comparison

Phase vs Sip

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

Sip

This app tracks hydration by modeling your body's real-time fluid status using a decay algorithm. It automatically adjusts your daily water intake goals based on weather and activity, syncing seamlessly with Apple Health.

Highlights
  • Real-time hydration decay modeling
  • Adaptive goal setting
  • One-tap Quick Log buttons
  • Live Activity & Dynamic Island support
  • Interactive Widgets
  • Deep Apple Health integration
  • Streak motivation system
Features
Read full description

Your body isn't a bucket — it’s a river. Standard water trackers treat hydration like a static container you fill up until you hit a random number. Sip changes the game by treating your hydration like a metabolic battery that naturally drains throughout the day. Using our proprietary decay algorithm, Sip visualizes your body’s real-time fluid status, giving you an accurate, science-backed view of when you actually need to drink. Why choose Sip? METABOLIC DECAY TRACKING Most apps ignore that your body processes and loses water continuously. Sip accounts for this, showing you a living hydration level that provides a realistic picture of your health. No more false sense of security after a single morning glass—Sip shows you the truth. ADAPTIVE GOALS Your water needs change daily. Sip connects securely to Apple Health and WeatherKit to automatically adjust your daily intake requirements. If you are logging heavy workouts or experiencing a heat wave, Sip intelligently raises your goal to keep you performing at your peak. SEAMLESS ECOSYSTEM INTEGRATION Your data should be where you are. Sip features: Dynamic Island & Live Activities for instant, at-a-glance status updates. Interactive Home Screen Widgets that let you log drinks in one tap. Apple Watch Complications that track your decay directly from your wrist. Two-Way Apple Health Sync so your logs always stay consistent across all devices. STREAK MOTIVATION Build long-term health habits with our integrated streak system. Visualize your weekly and monthly progress with professional-grade, native Apple charts that help you identify patterns and stay consistent. PRIVACY FIRST Sip does not track your data on our servers. All processing happens on your device and inside Apple Health. You own your health data, and we keep it that way. KEY FEATURES: Real-time hydration decay modeling Adaptive goal setting based on weather and activity One-tap Quick Log buttons (fully customizable) Native Live Activity & Dynamic Island support Interactive Widgets for iPhone and Apple Watch Deep Apple Health integration for total data accuracy Dark mode optimized, minimalist interface Stop filling buckets. Start managing your hydration stability with Sip. Download Sip today and experience the future of intelligent health tracking.

Screenshots

Phase4 screens
Sip4 screens

Verdict

The call

The clearest difference is in-app purchases: Sip at none against Phase's 6. Sip also leads on update cadence (weekly vs every 5 weeks). Phase's advantage is ratings volume (4 vs 1). On price, rating, review sentiment 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. Phase sells 6 in-app purchases, starting at $0.99 per 7 days. Sip asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Phase against 5.0 for Sip. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Phase ships an update every 5 weeks, Sip weekly. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 7 level
Phase versus Sip: the parameters behind the verdict, then further details
ParameterPhaseSip
PriceFreeFree
Rating5.0 (4 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings4 — better1
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPadiPhone, Apple Watch
Requires iOS17.0 — better18.6
Further details — not scored
Size32 MB6 MB
Age rating4+4+
DeveloperYoussef IsmailiMichael Brockman

Customer experience

Phase

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Sip

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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
None

Sip

No in-app purchases

Questions

Is Phase free?
Phase is free to download, with in-app purchases available.
Is Sip free?
Sip is free to download, with no in-app purchases.
Which has better reviews, Phase or Sip?
Phase and Sip are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.
Do Phase or Sip have ads?
Neither Phase nor Sip shows ads.
Which is updated more often, Phase or Sip?
Phase ships an update every 5 weeks, and Sip weekly. Most recently, Phase was updated on October 16, 2026 and Sip on October 8, 2026.

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