Comparison

Best Interval Timer vs Sleep to Lead

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

Head to head
About

Best Interval Timer

This app helps you manage workout intervals with customizable exercise, rest, and round durations. It provides audio and visual cues to guide you through your training sessions, whether at home, the gym, or outdoors. Perfect for various fitness activities like HIIT, cycling, and weightlifting.

Highlights
  • Customizable exercise, rest, and round durations
  • Audio and visual interval cues
  • Supports HIIT, cycling, running, weightlifting, and more
  • Pause functionality during rest periods
  • Adjustable number of sets and countdown time
Features
Read full description

Simple. Beautiful. Effective. • Drag to select duration for exercise, rest, rounds, etc. • Exercise! It's as simple as that. ***Free and reliable. Perfect for use at home, at the track or in the gym. We’re proud to introduce this handy little app that helps you keep track of your work and rest periods during workouts. Whether your into cycling, running, lifting weights, exercise, workout, stretching, boxing, MMA or HIT, this interval timer will prove to be an invaluable asset to you. Running foreground, this reliable app allows you specify an overall time as well as program High/Low intensity interval and rest time between sets. Key Features: - Customizable sets, high/low intensity interval and rest for your own need - Retina display, iOS4 and multitasking Customizable Features: - Number of Sets - Countdown Time - Set Time - Low Interval time - High Interval time - Rest Time - Pause during Rest Features: + Audio and visual hints for exercise periods, rest periods during exercises! Subscription Information: - Remove all ads with a monthly or yearly auto-renewable subscription. - Payment will be charged to your Apple ID account at confirmation of purchase. - Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. - Your account will be charged for renewal within 24 hours prior to the end of the current period. - You can manage and cancel your subscriptions in your App Store account settings after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://daturit.github.io/runner_studio/

About

Sleep to Lead

Features
Read full description

A small step each day toward a steadier sleep routine. Sleep to Lead is a standalone six-week program for busy days and restless nights. Follow one daily step, keep a morning sleep diary, and find practical tools for winding down. No account or course enrollment is required. ONE STEP AT A TIME Move through 42 days of short lessons, tools, reflections and weekly reviews. Complete a day to open the next, with at most one new day each calendar day. If you miss a day, the program waits for you. NOTICE YOUR PATTERNS Log bedtime, wake time, time to fall asleep and how the night felt. See sleep duration, efficiency and recent trends. Weekly reviews bring your diary together and help you adjust your sleep window. TOOLS FOR THE MOMENT Your Library grows as you progress. Find breathing exercises, grounding, a caffeine timing calculator, a worry window, a closing-the-day routine and more. Prefer to explore? Unlock every tool in Settings. WIND DOWN WITH DRIFT Explore guided imagery, breathing, relaxation and ambient soundscapes. Audio keeps playing in the background, with playback controls available as you move around the app. Narration availability varies by session and language. An internet connection is required for streamed audio. CHECK IN WITH YOURSELF Complete the Sleep & Stress Check at the start and end of the program to reflect on sleep, stress and energy. Compare your responses alongside your diary patterns. These checks support self-reflection, not diagnosis. A ROUTINE THAT STAYS WITH YOU Optional morning and wind-down reminders. English and Vietnamese. Your diary, check responses, notes and program progress are stored on your device, with no account or cloud sync. Sleep to Lead provides education and wellbeing tools. It is not a medical device and does not diagnose or treat sleep or mental health conditions. If sleep problems persist or affect your daily life, speak with a qualified health professional.

Screenshots

Best Interval Timer4 screens
Sleep to Lead4 screens

Verdict

The call

The clearest difference is in-app purchases: Sleep to Lead at none against Best Interval Timer's 2. Best Interval Timer's advantage is iOS requirement (15.6 vs 17.0). On price, update cadence, ads 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. Best Interval Timer sells 2 in-app purchases, starting at $4.99 per month. Sleep to Lead asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 days. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Best Interval Timer versus Sleep to Lead: the parameters behind the verdict, then further details
ParameterBest Interval TimerSleep to Lead
PriceFreeFree
Rating3.5 (10 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings10 — better—
Update frequencyEvery 6 daysEvery 6 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size31 MB15 MB
Age rating4+4+
DeveloperQuang Huy VoHuy Le

In-app purchases

2 purchases

Best Interval Timer

Subscriptions2
  • Support we $4.99/month$4.991 Month
  • Billed yearly$26.991 Year
None

Sleep to Lead

No in-app purchases

Questions

Is Best Interval Timer free?
Best Interval Timer is free to download, with in-app purchases available.
Is Sleep to Lead free?
Sleep to Lead is free to download, with no in-app purchases.
Do Best Interval Timer or Sleep to Lead have ads?
Neither Best Interval Timer nor Sleep to Lead shows ads.
Which is updated more often, Best Interval Timer or Sleep to Lead?
Best Interval Timer ships an update every 6 days, and Sleep to Lead every 6 days. Most recently, Best Interval Timer was updated on November 3, 2026 and Sleep to Lead on October 25, 2026.

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