Comparison

Liminal Flow vs Better Sleep Diary

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

Head to head
About

Liminal Flow

Experience immersive soundscapes designed for meditation, sleep, focus, and deep relaxation. This app generates unique, evolving audio experiences to help regulate your nervous system and cultivate presence. It supports various uses, from personal wellness to professional client sessions.

Highlights
  • Infinitely evolving soundscapes
  • Supports sleep and meditation
  • Enhances focus and creativity
  • Nervous system regulation
  • Designed for deep listening
  • Sound refuge for relaxation
Features
Read full description

Find Your Flow Take a digital sound bath with music designed for meditation, sleep, focus, and deep relaxation. Infinitely Evolving Our music is never the same twice. Simple musical elements weave together into unique, immersive soundscapes—which we call flows—every time you listen. A Sound Refuge Regulate your nervous system. Cultivate presence and stillness with soundscapes that ground you, calm you, and connect you to something deeper. Liminal Space: The Threshold of Change Between light and dark, sleep and waking, and our inner and outer worlds, there is a liminal space—a place of transformation where silence and sound converge to create new possibilities. Flow State: Presence in Motion In flow, we are fully present, effortlessly unfolding our energy into the world with ease and mastery. Liminal Flow exists in that space—between silence and sound—where creation and transformation resonate. Designed for Deep Listening Use Liminal Flow to support: • Sleep & Meditation • Focus & Creativity • Nervous System Regulation • Psychedelic Journeys • ADHD & Behavioral Modulation • Hospice & Healing • Client Sessions for Wellness Professionals The Art of Slow Sound Most music moves faster than we realize. Our music invites you to slow down. Expansive, fluid, and deeply intentional, it moves at the pace of breath, inviting your body and mind into a state of relaxation. Terms of Service https://www.termsfeed.com/live/2cb7bfdd-75aa-4eb6-aaa7-015ef21b8270 Privacy Policy https://www.termsfeed.com/live/7551090f-4841-4bc8-9a10-6da90f4aea06

About

Better Sleep Diary

Log your nightly sleep details and factors that may impact it. See trends over time with simple charts and summaries to understand patterns and make better decisions about your sleep.

Highlights
  • Record nightly sleep details
  • Note impacting factors
  • Add custom notes
  • View sleep trends over time
  • Track changes from new habits
  • See simple charts and summaries
Features
Read full description

Better Sleep Diary is a simple, focused app for keeping a sleep diary. Log how you slept, what might have affected your night, and see how your sleep changes over time. It’s designed to be quick to use and easy to understand, so you can build a habit and get useful insights without extra clutter. What you can do: • Record nightly sleep details in minutes, including bedtime, wake time, total sleep, and quality
 • Note factors that may impact sleep, like caffeine, exercise, screens, stress, and environment
 • Add custom notes to capture anything unique about your day or night
 • See trends over days, weeks, and months to understand patterns
 • Track changes after trying new habits or routines
 • View simple charts and summaries to spot what helps and what doesn’t Why it helps: • Keeping a sleep diary makes it easier to see cause and effect
 • Small changes are easier to test when you can measure them
 • Clear visuals help you notice trends you might miss otherwise Better Sleep Diary is built to be practical. Open it, log your night, and move on with your day. Over time, you’ll have the information you need to make better decisions about your sleep.

Screenshots

Liminal Flow3 screens
Better Sleep Diary4 screens

Verdict

The call

The clearest difference is rating: Liminal Flow at 5.0 against Better Sleep Diary's 4.3. Liminal Flow also leads on iOS requirement (16.0 vs 18.6). Better Sleep Diary's advantage is in-app purchases (none vs 4) and update cadence (every 2 days vs every 2 months). On price, ratings volume, 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. Liminal Flow sells 4 in-app purchases, starting at $4.99 per month. Better Sleep Diary asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Liminal Flow holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

UpkeepUpdate frequency

Liminal Flow ships an update every 2 months, Better Sleep Diary every 2 days. The most recent releases landed on June 4, 2026 and August 14, 2026 respectively.

Scorecard5 real differences · 5 level
Liminal Flow versus Better Sleep Diary: the parameters behind the verdict, then further details
ParameterLiminal FlowBetter Sleep Diary
PriceFreeFree
Rating5.0 (4 ratings) — better4.3 (3 ratings)
Positive reviews—100.0% of reviews
Number of ratings4 — better3
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better18.6
Further details — not scored
Size105 MB3 MB
Age rating4+4+
DeveloperLiminal Flow LLCGruffydd Johnston

Customer experience

Liminal Flow

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Better Sleep Diary

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Liminal Flow

Subscriptions4
  • Monthly$4.991 Month
  • Monthly$9.991 Month
  • Annual$39.991 Year
Show 1 more
  • Annual$59.991 Year
None

Better Sleep Diary

No in-app purchases

Questions

Is Liminal Flow free?
Liminal Flow is free to download, with in-app purchases available.
Is Better Sleep Diary free?
Better Sleep Diary is free to download, with no in-app purchases.
Which has better reviews, Liminal Flow or Better Sleep Diary?
Liminal Flow is rated higher. Liminal Flow averages 5.0 out of 5 from 4 ratings, while Better Sleep Diary averages 4.3 from 3 ratings.
Do Liminal Flow or Better Sleep Diary have ads?
Neither Liminal Flow nor Better Sleep Diary shows ads.
Which is updated more often, Liminal Flow or Better Sleep Diary?
Liminal Flow ships an update every 2 months, and Better Sleep Diary every 2 days. Most recently, Liminal Flow was updated on June 4, 2026 and Better Sleep Diary on August 14, 2026.

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