Comparison

SleepFlow Sleep Tracker vs NiceSleep

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

NiceSleep

This app helps you understand and improve your sleep quality. It monitors sleep cycles, provides personalized tips, and analyzes trends to help you build better rest habits.

Highlights
  • Precise sleep monitoring
  • Personalized sleep tips
  • Sleep trend analysis
  • Sleep notes for context
  • Detailed sleep cycle breakdown
Features
Read full description

Record nighttime sounds and revisit saved clips in the morning. Explore snoring, sleep talking, and other detected sounds alongside your sleep report. SAVE SOUNDS BEFORE BED Enable sound clip saving before you start tracking. NiceSleep saves clips when sounds are detected, so you can review them later. LISTEN BACK IN THE MORNING Open your sleep report to find saved clips by time and sound type. Choose any 3 saved sound clips per sleep session for free full playback, including snoring and sleep talk. Replay your selected clips without using another choice. Premium unlocks all clips. Waveforms and clip sharing follow the same access rules. SEE YOUR SLEEP PATTERNS Review sleep duration, estimated sleep stages, and sleep scores. Compare daily, weekly, and monthly reports, and add bedtime notes to give your records more context. UNWIND WITH SLEEP SOUNDS Explore white noise and sleep music as part of your bedtime routine. Premium also unlocks Premium sleep music. Sleep tracking and reports are available without Premium. Subscription options and any eligible offers are shown in the app. If you encounter any issues during use, please contact us. Terms of Service — https://sites.google.com/view/nicesleep-sleep-tracker-tns Privacy Policy — https://sites.google.com/view/nicesleepsleeptracker

Screenshots

SleepFlow Sleep Tracker4 screens
NiceSleep4 screens

Verdict

The call

The clearest difference is in-app purchases: SleepFlow Sleep Tracker at none against NiceSleep's 2. SleepFlow Sleep Tracker also leads on update cadence (daily vs every 3 days). NiceSleep's advantage is ratings volume (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, rating, 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. NiceSleep sells 2 in-app purchases, starting at $9.99 per month. SleepFlow Sleep Tracker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for SleepFlow Sleep Tracker against 5.0 for NiceSleep. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

SleepFlow Sleep Tracker ships an update daily, NiceSleep every 3 days. Both last shipped on October 24, 2026.

Scorecard5 real differences · 4 level
SleepFlow Sleep Tracker versus NiceSleep: the parameters behind the verdict, then further details
ParameterSleepFlow Sleep TrackerNiceSleep
PriceFreeFree
Rating5.0 (1 ratings)5.0 (3 ratings)
Number of ratings13 — better
Update frequencyDaily — betterEvery 3 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPod, Apple Watch — better
Requires iOS17.615.0 — better
Further details — not scored
Size4 MB267 MB
Age rating4+4+
DeveloperFabio MotaGuangzhou Xingfeng Information Technology Co., Ltd

Customer experience

SleepFlow Sleep Tracker

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

NiceSleep

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SleepFlow Sleep Tracker

No in-app purchases

2 purchases

NiceSleep

Subscriptions2
  • Premium(Monthly)$9.991 Month
  • Premium(Yearly)3 Days trial$59.991 Year

Questions

Is SleepFlow Sleep Tracker free?
SleepFlow Sleep Tracker is free to download, with no in-app purchases.
Is NiceSleep free?
NiceSleep is free to download, with in-app purchases available.
Which has better reviews, SleepFlow Sleep Tracker or NiceSleep?
SleepFlow Sleep Tracker and NiceSleep are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do SleepFlow Sleep Tracker or NiceSleep have ads?
Neither SleepFlow Sleep Tracker nor NiceSleep shows ads.
Which is updated more often, SleepFlow Sleep Tracker or NiceSleep?
SleepFlow Sleep Tracker ships an update daily, and NiceSleep every 3 days. Most recently, SleepFlow Sleep Tracker was updated on October 24, 2026 and NiceSleep on October 24, 2026.

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