Comparison

Shiftrest vs ShiftRhythm

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

Head to head
About

Shiftrest

Features
Read full description

Sleep smarter, not longer. ShiftRest is built only for shift workers - nurses, paramedics, pilots, truckers, and anyone whose body fights their schedule. Most sleep apps assume a 9-to-5 life. ShiftRest doesn't. It uses your real shift roster and your personal chronotype to calculate the exact hours your body will rest best - even when you're working 7pm to 7am. HOW IT WORKS 1. Take a 60-second chronotype quiz 2. Connect your Calendar (or enter shifts manually) 3. ShiftRest tells you when to sleep, when to wake, and how rested you'll be BUILT FOR SHIFT WORK - Circadian Rhythm Engine - personalized sleep windows by chronotype, age, gender - Smart Shift Detection - auto-imports rosters from your calendar - Sleep Debt Tracker - see what you owe your body, track recovery - Shift Readiness Score - know if you're rested enough before clocking in - Sleep Sounds - white, pink, brown noise; rain, ocean, forest, fan - Wind-Down Reminders - smart notifications timed to your shift - Home Screen Widgets - next shift + sleep recommendation at a glance - Apple Health sync - sleep data flows seamlessly SHIFTREST PRO Calendar sync, full sound library, advanced widgets, and personalized insights. Weekly, monthly, and yearly plans. Cancel anytime. PRIVACY Your sleep data stays on your device. We don't sell, share, or upload it. Designed with input from sleep researchers. QUESTIONS? shiftrest.forvibe.app

About

ShiftRhythm

This app helps night shift workers optimize their sleep and light exposure based on their unique roster. It provides personalized guidance for sleep, naps, and light timing to align with your body clock and manage sleep debt.

Highlights
  • Personalized sleep and nap timing
  • Light exposure guidance
  • Circadian rhythm dial
  • Sleep score and debt tracking
  • Roster presets and custom schedules
  • Apple Watch app and widgets
Features
Read full description

Night shifts flipped your sleep? Enter your roster and ShiftRhythm tells you when to sleep, when to nap, and when to seek or avoid light โ€” today. WHAT IT DOES โ€ข 24-hour body-clock dial โ€” see your estimated melatonin onset (DLMO) and biological night (CBTmin) at a glance โ€ข Light, nap & caffeine guidance โ€” timed to your circadian rhythm and updated as your shifts change โ€ข Sleep score, sleep debt & recovery โ€” last night's sleep plus HRV and resting heart rate from Apple Watch, telling you whether to push or recover โ€ข Presets that match real rosters โ€” Panama 2-2-3 schedule (day/night), Pitman, DuPont, Fire 48/96, 12-hour rotating shifts, plus Korean and Japanese patterns. Or build your own custom rotation โ€ข Melatonin timing card (optional) โ€” an informational window based on your estimated body clock. Not a recommendation to take melatonin; talk to your doctor or pharmacist first BUILT FOR SHIFT WORKERS Whether you're a night shift nurse, a firefighter on 48/96, a plant operator on a DuPont rotation, or a driver on a rotating roster โ€” ShiftRhythm adapts to your schedule, not the other way around. โ€ข Tap any calendar day to correct that day's shift โ€ข Works from your schedule alone โ€” no Apple Watch required โ€ข Apple Watch app and widgets included; available in English, Spanish, Korean, and Japanese PRIVATE BY DESIGN โ€ข No account. No server. Your data stays on your phone. โ€ข All circadian math runs on-device โ€” health data never leaves your iPhone โ€ข No ads, no tracking PRICING โ€ข 30-day free trial โ€” full features, no account needed โ€ข Then Monthly or Annual (Annual saves vs. monthly), or a one-time Lifetime purchase if you'd rather not subscribe โ€ข Subscriptions auto-renew; cancel anytime in Settings > Apple Account > Subscriptions Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://yoonspower.github.io/shiftrhythm/privacy.html ShiftRhythm is for general wellness and reference only. It is not a medical device and does not diagnose, treat, or monitor any medical condition. Values shown are estimates and may be inaccurate. Consult a professional for health concerns.

Screenshots

Shiftrest4 screens
ShiftRhythm4 screens

Verdict

The call

The clearest difference is update cadence: ShiftRhythm at every 2 days against Shiftrest's every 2 weeks. ShiftRhythm also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Shiftrest sells 3 in-app purchases, starting at $1.99 per 7 days and ShiftRhythm sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Shiftrest ships an update every 2 weeks, ShiftRhythm every 2 days. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

Scorecard2 real differences ยท 6 level
Shiftrest versus ShiftRhythm: the parameters behind the verdict, then further details
ParameterShiftrestShiftRhythm
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 2 weeksEvery 2 days โ€” better
AdsNoNo
In-app purchasesYesYes
Monetizationโ€”Free with in-app purchases
DevicesiPhoneiPhone, iPad, Apple Watch โ€” better
Requires iOS16.0 โ€” better17.0
Further details โ€” not scored
Size14 MB16 MB
Age rating4+4+
DeveloperEMRE KEPJaeyoun Kim

In-app purchases

3 purchases

Shiftrest

Subscriptions3
  • Weekly3 Days trial$1.997 Days
  • Monthly$3.991 Month
  • Yearly$24.991 Year
3 purchases

ShiftRhythm

Subscriptions2
  • Monthly$2.991 Month
  • Yearly$14.991 Year
One-time1
  • Lifetime$39.99

Questions

Is Shiftrest free?
Shiftrest is free to download, with in-app purchases available.
Is ShiftRhythm free?
ShiftRhythm is free to download, with in-app purchases available.
Do Shiftrest or ShiftRhythm have ads?
Neither Shiftrest nor ShiftRhythm shows ads.
Which is updated more often, Shiftrest or ShiftRhythm?
Shiftrest ships an update every 2 weeks, and ShiftRhythm every 2 days. Most recently, Shiftrest was updated on September 23, 2026 and ShiftRhythm on September 21, 2026.

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