Comparison

Interval Timer □ HIIT Timer vs Nocturne

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

Head to head
About

Interval Timer □ HIIT Timer

Create custom workout timers with adjustable intervals for exercise and rest. Track your progress with detailed history and statistics, and repeat past workouts easily. Enjoy audio cues without interrupting your music.

Highlights
  • Customizable intervals
  • Workout and rest timers
  • Voice or beep guides
  • Background audio support
  • Workout history and statistics
  • Repeat previous workouts
Features
Read full description

A simple and beautiful interval timer. 1. Drag to set your custom intervals for workout, rest, rounds, etc 2. Tap to start. Interval Timer doesn't interfere with your music or other apps: ∙ Listen to your music apps while you workout. ∙ Voice or beep guides for every workout. ∙ You can leave the app and still listen to the audio guides, in order to follow a workout you found online. And no need to manually record your workouts: ∙ Detailed history and statistics pages to track your progress. ∙ Repeat a previous workout from your history, so you don't need to set it again. If you have any ideas for how to improve the app, just tap "Contact Support' inside the app and let us know! We are always trying to improve Interval Timer This app includes an optional auto-renewable subscription (Premium Pass): Premium Pass beings with a free trial period, then an auto-renewable monthly subscription when trial ends. Payment will be charged to your Apple account at confirmation of purchase and will automatically renew (at the duration/price selected) unless auto-renew is turned off at least 24 hrs before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your Apple Account Settings after purchase. Any unused portion of the free initial period will be forfeited when you purchase a subscription. Privacy Policy: https://float.support/interval-timer/privacy Terms of Use: https://float.support/interval-timer/terms

About

Nocturne

Features
Read full description

Every sleep app assumes you go to bed at eleven. Nocturne is for the rest of us — nurses, paramedics, police, drivers, crew, plant operators, people on call, new parents, anyone whose week does not run 9 to 5. Put your roster in once. Nocturne works out where your body clock actually is and turns it into a day you can follow. THE BODY CLOCK DIAL Twenty-four hours as one circle. Your shift, your sleep, your nap, the windows where light helps and the windows where it hurts, and a predicted alertness curve running through the middle. A PLAN, NOT PLATITUDES · When to sleep — sized backwards from when you actually have to be up · When to nap — including the pre-shift nap that flattens the 03:00 low · When to get light, and when to put sunglasses on for the drive home · Your last coffee, computed from your own caffeine clearance · When you will crash — before you do YOUR ROSTER, HANDLED Six rotation templates — 4 on / 4 off, 12-hour days and nights, Continental, Pitman, permanent nights — that fill three months in one tap. Or drag in your own shifts. THE NUMBERS THAT MATTER A rolling sleep-debt ledger. Circadian drift — how far your lived schedule has pulled away from the clock you were born with. And the week ahead as a single heatmap, so you can see the block of nights arriving before it lands on you. WHY, NOT JUST WHAT Every recommendation can tell you the mechanism behind it. The engine is the published two-process model of sleep regulation, the light phase-response curve and first-order caffeine kinetics — running on your phone, with no wearable, no location permission and no account required to start. NOCTURNE PRO Free forever: today's plan, the roster, the sleep log, the caffeine ledger, the nap planner, three dial faces and the next three days of the forecast. Pro adds days 4-7 of the forecast, the jet lag day-by-day, unlimited history, light and low-point reminders, and four more dial faces. Nocturne is educational software. It does not diagnose sleep disorders and is not a substitute for occupational health or your doctor. Never use a predicted alertness figure to decide you are safe to drive. SUBSCRIPTION TERMS Nocturne Pro is offered as a monthly or yearly auto-renewable subscription. A subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel it at any time in your App Store account settings. Terms of Use (EULA): https://szymdzie.github.io/nocturne/terms.html Privacy Policy: https://szymdzie.github.io/nocturne/privacy.html

Screenshots

Interval Timer □ HIIT Timer4 screens
Nocturne4 screens

Verdict

The call

Interval Timer □ HIIT Timer and Nocturne are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Interval Timer □ HIIT Timer sells 5 in-app purchases, starting at $1.99 per month and Nocturne sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Interval Timer □ HIIT Timer versus Nocturne: the parameters behind the verdict, then further details
ParameterInterval Timer □ HIIT TimerNocturne
PriceFreeFree
Rating4.8 (86K ratings) — better—
Positive reviews60.7% of reviews—
Number of ratings86K — better—
Update frequencyEvery 5 weeks—
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size34 MB68 MB
Age rating4+4+
DeveloperFloat Tech, LLCSzymon Dziedzic

Bugs and requests

Interval Timer □ HIIT Timer

Reported bugs

3 issues
  • Timer not always accurate
  • Favorites/saved workouts feature not working
  • Inconsistent behavior when pausing/resuming

Requested features

3 requests
  • Ability to save and name custom workouts
  • More flexibility in exercise/rest time settings
  • Option to adjust volume of voice prompts

Nocturne

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Interval Timer □ HIIT Timer

Subscriptions2
  • Premium Pass7 Days trial$1.991 Month
  • Premium Pass7 Days trial$2.991 Month
One-time3
  • Lifetime Pass$14.99
  • Lifetime Pass$19.99
  • Premium Forever Promo$29.99
2 purchases

Nocturne

Subscriptions2
  • Monthly$4.991 Month
  • Yearly$29.991 Year

Questions

Is Interval Timer □ HIIT Timer free?
Interval Timer □ HIIT Timer is free to download, with in-app purchases available.
Is Nocturne free?
Nocturne is free to download, with in-app purchases available.
Do Interval Timer □ HIIT Timer or Nocturne have ads?
Neither Interval Timer □ HIIT Timer nor Nocturne shows ads.

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