Comparison

Savvy Time vs SleepWindow

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

Head to head
About

Savvy Time

Effortlessly schedule across different time zones. Add multiple cities and see instant local times for any event, eliminating manual calculations. Features automatic daylight saving adjustments for accurate planning.

Highlights
  • Instant multi-city time conversion
  • Automatic daylight saving adjustments
  • Supports over 100,000 cities
  • Real-time updates as you type
  • Clean and reliable interface
Features
Read full description

Compare times across cities and time zones, plan meetings, and keep the places you care about close at hand. • Add cities and time zones, then change a date or time to see the corresponding times everywhere. • Search 24,000+ places, with or without accents, or find a time zone by name or GMT offset. • Best time: in Working Hours view, see the hours that work for the most places, then tap to move every clock there. • Plan around daylight saving changes with automatic time-zone calculations. • Choose Compact or Standard layouts and pick what each place shows in Place Details. • Add One Place and Compare Places widgets to your Home Screen. One Place can show a Daylight or Working Hours track. On supported iPhones with iOS 27, a full-page Compare Places widget can show a track for each place. • Share a time comparison or add it to your calendar. • Use light, dark, or system appearance. • Send feedback from Settings with an optional screenshot. Savvy Time needs no account, and comparing times works offline. Free users can save four places. Existing saved places are preserved when updating and are included in iPhone and iPad backups. One Place widgets and small Compare Places widgets are free. Savvy Time Pro adds unlimited saved places, medium and large Compare Places widgets, the full-page Compare Places widget on supported iPhones with iOS 27, and an ad-free experience. Existing Ad-Free subscribers receive Pro access. New installations also receive a three-day ad-free welcome, which is separate from a subscription trial. Optional subscriptions Monthly subscriptions are billed immediately and have no free trial. Annual subscriptions offer a seven-day free trial for eligible customers; otherwise payment is charged when you subscribe. Localized prices, trial eligibility, and renewal terms are displayed before purchase. Subscriptions renew automatically unless canceled through your Apple account. Manage or cancel your subscription in Settings, and use Restore Purchases to restore eligible access. Lifetime Pro Where offered, Lifetime Pro unlocks the same iOS Pro benefits with one payment and no subscription or trial. Verified lifetime access works indefinitely offline. Restore using the Apple account that made the purchase. Refunds or revocations are applied on the next successful verification. Lifetime Pro does not cancel any separate subscription. Availability varies; the App Store shows your localized price before purchase. Terms of Use: https://savvytime.com/terms Privacy Policy: https://savvytime.com/privacy

About

SleepWindow

Features
Read full description

SleepWindow helps you plan sleep timing around 90-minute sleep cycles. Pick a wake time and see when to go to bed — or tap "sleep now" to see when to set your alarm. Plan naps that end at the right stage. See a conservative caffeine cutoff for your target bedtime. Features • Bedtime calculator — pick your wake time, get ideal bedtime options • Wake-time calculator — tap "if I fall asleep now," get wake options • Nap planner — power nap, short nap, full-cycle nap • Caffeine cutoff — plan when to stop caffeine based on bedtime • Bedtime reminders — simple, reliable local reminders • Saved presets — quick access for workdays and weekends • 12-hour or 24-hour time, light or dark mode Privacy-first • No account, no sign-in • No cloud sync · anonymous, opt-out product analytics only • Works fully offline Pricing • Free forever: bedtime calculator, 3 wake-time calculations per day, one reminder, two saved presets • Premium Monthly — $2.99/month (auto-renewing): unlimited calculations, nap planner, caffeine cutoff, unlimited presets and reminders • Premium Yearly — $19.99/year (auto-renewing): the same premium features, billed annually • Premium Lifetime — $7.99 (one-time): the same premium features, paid once, kept forever Pick yearly to save vs. monthly, monthly to try premium month-to-month, or lifetime to unlock everything with a single purchase. Results are estimates for planning sleep timing. SleepWindow is not a medical device and does not diagnose, treat, or monitor any condition. Subscription details Payment will be charged to your Apple ID at confirmation of purchase. Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period; renewal is charged within 24 hours of the period end. Manage subscriptions in your Apple ID Account Settings. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://has-deploy.github.io/sleepwindow-website/privacy-policy.html

Screenshots

Savvy Time4 screens
SleepWindow4 screens

Verdict

The call

The clearest difference is ads: SleepWindow at none against Savvy Time's shown. On price, update cadence, 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. Savvy Time sells 4 in-app purchases, starting at $0.99 per month and SleepWindow sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Savvy Time ships an update every 10 days, SleepWindow every 6 days. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

Scorecard1 real difference · 9 level
Savvy Time versus SleepWindow: the parameters behind the verdict, then further details
ParameterSavvy TimeSleepWindow
PriceFreeFree
Rating4.9 (533 ratings) — better—
Positive reviews77.8% of reviews—
Number of ratings533 — better—
Update frequencyEvery 10 daysEvery 6 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.416.0 — better
Further details — not scored
Size78 MB3 MB
Age rating4+4+
DeveloperSavvy Time LLCanthony mcmurtrey

Bugs and requests

Savvy Time

Reported bugs

4 issues
  • Incorrect timezone offset calculations
  • App stuck on BST with no update option
  • PDT timezone showing wrong time
  • Daylight saving time transitions not handled correctly

Requested features

4 requests
  • Widget option for quick access
  • Auto-sync with device time
  • Ability to display more timezones without scrolling
  • Premium paid option for additional functionality

SleepWindow

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Savvy Time

Subscriptions3
  • Ad-Free Monthly$0.991 Month
  • Ad-Free Monthly7 Days trial$0.991 Month
  • Ad-Free Annual7 Days trial$7.991 Year
One-time1
  • Lifetime Pro$24.99
3 purchases

SleepWindow

Subscriptions2
  • SleepWindow Premium7 Days trial$1.991 Month
  • SleepWindow Premium7 Days trial$9.991 Year
One-time1
  • SleepWindow Lifetime Unlock$7.99

Questions

Is Savvy Time free?
Savvy Time is free to download, with in-app purchases available.
Is SleepWindow free?
SleepWindow is free to download, with in-app purchases available.
Do Savvy Time or SleepWindow have ads?
Savvy Time shows ads; SleepWindow does not.
Which is updated more often, Savvy Time or SleepWindow?
Savvy Time ships an update every 10 days, and SleepWindow every 6 days. Most recently, Savvy Time was updated on October 16, 2026 and SleepWindow on October 15, 2026.

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