Comparison

Phase vs ShockUp

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

ShockUp

This smart wrist alarm ensures you wake up by vibrating on your wrist and sounding your phone. It detects if you fall back asleep after dismissing the alarm and re-triggers it until you are truly awake. Ideal for heavy sleepers and students.

Highlights
  • Wrist vibration alarm
  • Phone alarm integration
  • Sleep detection
  • Re-triggering alarm
  • Customizable wake-up
Features
Read full description

ShockUp is a smart wrist alarm that makes sure you actually wake up. Set your alarm, wear the band, and when it's time to wake up, your wrist vibrates and your phone rings. ShockUp detects if you fall back asleep after dismissing your alarm and will re-trigger the alarm until you're actually awake. Perfect for heavy sleepers.

Screenshots

Phase4 screens
ShockUp3 screens

Verdict

The call

The clearest difference is in-app purchases: ShockUp at none against Phase's 6. ShockUp also leads on update cadence (every 3 days vs every 5 weeks) and iOS requirement (15.0 vs 17.0). On price, rating, review sentiment and ratings volume 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. ShockUp asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ShockUp holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Phase ships an update every 5 weeks, ShockUp every 3 days. The most recent releases landed on October 31, 2026 and November 13, 2026 respectively.

Scorecard3 real differences · 7 level
Phase versus ShockUp: the parameters behind the verdict, then further details
ParameterPhaseShockUp
PriceFreeFree
Rating4.8 (6 ratings)5.0 (6 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings66
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size32 MB51 MB
Age rating4+4+
DeveloperYoussef IsmailiZaid Syed

Customer experience

Phase

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

ShockUp

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 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

ShockUp

No in-app purchases

Questions

Is Phase free?
Phase is free to download, with in-app purchases available.
Is ShockUp free?
ShockUp is free to download, with no in-app purchases.
Which has better reviews, Phase or ShockUp?
ShockUp is rated higher. Phase averages 4.8 out of 5 from 6 ratings, while ShockUp averages 5.0 from 6 ratings.
Do Phase or ShockUp have ads?
Neither Phase nor ShockUp shows ads.
Which is updated more often, Phase or ShockUp?
Phase ships an update every 5 weeks, and ShockUp every 3 days. Most recently, Phase was updated on October 31, 2026 and ShockUp on November 13, 2026.

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