Comparison

SleepFlow Sleep Tracker vs Interval Timer

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

Head to head
About

SleepFlow Sleep Tracker

Understand your sleep patterns, build consistent habits, and wake up refreshed. This app offers simple tracking, insightful trends, and personalized goals to improve your sleep quality without complexity. Your data remains private and on your device.

Highlights
  • Sleep tracking and logging
  • Sleep history and trend visualization
  • Sleep statistics and deep sleep insights
  • Daily streak motivation
  • Smart bedtime and wake-up reminders
  • Personalized sleep duration goals
  • Privacy-focused, on-device data storage
Features
Read full description

SleepFlow – Sleep Tracker SleepFlow helps you understand your sleep, build consistency, and wake up feeling better every day. Designed with simplicity and science in mind, SleepFlow allows you to track your sleep habits, visualize trends, and improve your sleep quality over time — without complexity. Key Features Sleep Tracking – Log bedtime, wake time, and sleep quality with ease Sleep History – View past nights and spot patterns Sleep Stats – Weekly trends, averages, cycles, and deep sleep insights Daily Streaks – Stay motivated and build healthy sleep routines Smart Reminders – Bedtime and wake-up notifications Personalized Goals – Set and track your ideal sleep duration Clean, Dark UI – Designed for nighttime comfort Understand Your Sleep SleepFlow turns your sleep data into easy-to-read insights so you can make better decisions and improve consistency night after night. Privacy First Your data stays on your device. No accounts. No tracking. No data selling. Whether you’re trying to fix your sleep schedule, improve recovery, or simply wake up feeling refreshed, SleepFlow gives you the clarity and tools to sleep better. Download SleepFlow and take control of your sleep.

About

Interval Timer

Features
Read full description

A clean, powerful interval timer for Tabata, HIIT, boxing, running intervals, EMOM, AMRAP and custom workouts. No ads. No account. Start your workout in one tap and follow clear voice, bell and haptic cues, so your focus stays on training instead of on your phone. BUILT FOR REAL TRAINING Designed for workouts where every second matters: • Tabata 20s work / 10s rest • HIIT circuits • Boxing and MMA rounds • Run / walk intervals • EMOM and AMRAP workouts • Mobility, stretching and custom routines TRAIN BY SOUND Choose the cue style that fits your session: • Voice Coach for guided intervals • Boxing Bell for round-based training • Music Friendly mode for workouts with music • Silent Haptics when you want no sound BIG TIMER. ZERO GUESSING. The workout screen is built to be readable while moving: • Huge countdown numbers • Clear WORK and REST states • Color-coded phases • Next interval preview • Round progress • Simple pause, skip and stop controls CUSTOM ROUTINES Build your own interval structure in seconds: • Work duration • Rest duration • Rounds • Warmup and cooldown • Sound mode • Custom Tabata, HIIT, boxing and running timers MADE TO STAY OUT OF THE WAY Focused, fast and minimal: • One-tap start • Control lock during workouts • Cues keep firing with the screen off • Clean dark interface • No clutter • No social feed • No workout videos you did not ask for Whether you train at home, in the gym, on the track or in a boxing class, this timer keeps you on the next interval. Train by sound. Move on time.

Screenshots

SleepFlow Sleep Tracker4 screens
Interval Timer4 screens

Verdict

The call

The clearest difference is update cadence: SleepFlow Sleep Tracker at daily against Interval Timer's every 3 months. Interval Timer's advantage is iOS requirement (15.0 vs 17.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SleepFlow Sleep Tracker ships an update daily, Interval Timer every 3 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
SleepFlow Sleep Tracker versus Interval Timer: the parameters behind the verdict, then further details
ParameterSleepFlow Sleep TrackerInterval Timer
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyDaily — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.0 — better
Further details — not scored
Size4 MB70 MB
Age rating4+4+
DeveloperFabio MotaCODEENSIS LTD

In-app purchases

None

SleepFlow Sleep Tracker

No in-app purchases

None

Interval Timer

No in-app purchases

Questions

Is SleepFlow Sleep Tracker free?
SleepFlow Sleep Tracker is free to download, with no in-app purchases.
Is Interval Timer free?
Interval Timer is free to download, with no in-app purchases.
Do SleepFlow Sleep Tracker or Interval Timer have ads?
Neither SleepFlow Sleep Tracker nor Interval Timer shows ads.
Which is updated more often, SleepFlow Sleep Tracker or Interval Timer?
SleepFlow Sleep Tracker ships an update daily, and Interval Timer every 3 months. Most recently, SleepFlow Sleep Tracker was updated on November 9, 2026 and Interval Timer on October 31, 2026.

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