Timeshifter Shift Work vs ShiftRest
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Timeshifter Shift Work
Optimize your sleep and energy levels with science-based guidance tailored for shift workers. This app provides personalized advice to combat circadian disruption, improving performance, health, and quality of life. It replaces common myths with evidence-based interventions to reset your internal clock.
- Personalized circadian clock advice
- Practical real-world adjustments
- Quick shift schedule entry
- Commute and preparation time inclusion
- Fatigue prediction alerts
- Timely advice notifications
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Combat shift work disruption with personalized advice based on the latest circadian science. This groundbreaking app empowers shift workers to optimize their sleep, performance, health, and quality of life with science-based guidance developed by world-renowned circadian scientists. Fast Company: “Congratulations Timeshifter on helping to change the world.” Timeshifter — Shift Work Edition — was developed to help shift workers reduce the underlying problem of circadian and sleep disruption inherent in shift work. With Timeshifter, you will receive highly personalized advice based on your sleep pattern, chronotype, work schedule, and personal preferences. SHIFT WORK MYTHS VS. CIRCADIAN SCIENCE Shift workers face a serious biological challenge: misalignment between their internal circadian rhythms and their work schedules. This circadian disruption leads to insomnia, excessive sleepiness, poor performance, and increased long-term health risks. Popular advice — like drinking more coffee, using supplements, or simply “getting more rest” — misses the mark. These approaches don’t address the root cause: your circadian misalignment. It’s time to replace the myths with real science. Generic tips won’t solve circadian disruption. Only evidence-based interventions that "reset" your circadian rhythms and manage circadian timing can effectively reduce the negative effects of shift work. THE REAL SCIENCE OF SHIFT WORK // In your brain, a circadian clock regulates the rhythm of your day. // Shift work causes your sleep and other behaviors to occur at biologically inappropriate times, resulting in fatigue, poor sleep, and long-term health risks. // Light is the most powerful cue for resetting your circadian clock. The correct timing of light exposure and light avoidance is the foundation of any circadian intervention to improve alertness and sleep quality. If your timing is off, it can make things worse. WHY SHIFT WORKERS LOVE TIMESHIFTER // Based on the latest sleep and circadian science // Optimizes your sleep, alertness, and performance // Reduces the negative effects of shift work on productivity, health, and quality of life Using Timeshifter is as simple as taking small actions at specific times. KEY FEATURES // Circadian Time™: Advice is based on your individual circadian clock // Practicality Filter™: Adjusts advice to work in the "real world" // Quick Shift Entry: Add work schedules across multiple dates in seconds // Commute Time: Include commute and “get ready” times to ensure practical advice // Fatigue Prediction: Warns you when to be extra cautious to avoid mistakes and accidents // Advice Notifications: Get timely advice even without opening the app NO EXPENSIVE EQUIPMENT REQUIRED Timeshifter is a highly empowering experience, and it requires no special equipment. Just a sleep mask and your favorite dark sunglasses. TRY IT FREE A 30-day free trial is available — no commitment required! After your trial, you can choose to subscribe monthly ($6.99/mo) or annually ($69.99/yr). These statements have not been evaluated by the Food and Drug Administration. Timeshifter is not intended to diagnose, treat, cure or prevent any disease, and is intended for healthy adults, 18 years of age or older. Terms of use: www.timeshifter.com/terms/terms-of-use Privacy policy: www.timeshifter.com/terms/privacy-policy
ShiftRest
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ShiftRest — sleep planning built for people who work when the world sleeps. You already do the hard part: showing up at 3 a.m., switching from days to nights, holding it together on a few broken hours. ShiftRest takes care of the rest — planning exactly when to sleep, nap, and wind down so your body has a fighting chance to keep up with your rotation. Snap your roster. Get a plan. Take a photo of your shift schedule and ShiftRest reads it in seconds — no tedious typing. It turns your rotation into a personalized 14-day sleep plan that's always a step ahead of your next shift. Made for rotating shifts, not a 9-to-5. Most sleep apps assume you go to bed at the same time every night. ShiftRest doesn't. It's built around the reality of nights, earlies, swings, and everything in between — the way real rosters actually run. Know exactly when to: - Sleep — your main sleep window, adjusted for each shift - Nap — strategic pre-shift naps before night duty - Stop caffeine — a personal cutoff so coffee doesn't cost you sleep - Wind down and get daylight — small timing cues that make a real difference Reminders that fit your shifts. Gentle notifications for wind-down, caffeine cutoff, wake-up, and pre-shift naps — all timed to your actual schedule, not a generic clock. Customize what you get and when. Your data stays yours. ShiftRest is built local-first. No account, no sign-up, no cloud sync. Your roster and sleep plans live only on your device. Roster photos are analyzed once and never stored by us. Free to start. Manual schedule entry and your current-day plan are always free. ShiftRest Pro unlocks photo import, your full 14-day plan, and custom notifications — with a 7-day free trial. ShiftRest provides sleep-planning and general educational information only. It is not medical advice and is not a substitute for professional care. If you have ongoing sleep problems, please talk to a qualified health provider. Privacy Policy: https://shiftrest.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: ShiftRest at 15.1 against Timeshifter Shift Work's 17.2. 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
Both are free to download. Timeshifter Shift Work sells 2 in-app purchases, starting at $6.99 per month and ShiftRest sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Timeshifter Shift Work | ShiftRest |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (21 ratings) — better | — |
| Positive reviews | 51.7% of reviews | — |
| Number of ratings | 21 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.2 | 15.1 — better |
| Further details — not scored | ||
| Size | 65 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Timeshifter Inc. | Hangzhou yangzhiganlin Enterprise Management Co., Ltd |
In-app purchases
Timeshifter Shift Work
- Shiftwork$6.991 Month
- Shiftwork$69.991 Year
ShiftRest
- Pro Monthly$3.991 Month
- ShiftRest Pro Annual7 Days trial$24.991 Year









