Comparison

Sleepfix vs One

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

Head to head
About

Sleepfix

Features
Read full description

SleepFix is a self-help sleep therapy delivered by a smartphone application for individuals with insomnia and sleeping difficulties. The app uses evidence-based behavioural therapy (brief behavioural therapy for insomnia) and was developed by a multi-disciplinary team of researchers and health professionals. It works by providing sleep schedules to individuals to gradually spend more time in bed asleep rather than awake in bed. SleepFix self-guides the user through a new sleep schedule which aims to reduce excessive time in bed awake. Users complete a daily sleep diary which takes approximately 5 minutes per day to monitor the new sleep schedule and help retrain the users sleep. It is recommended that SleepFix users will use the program for 6 weeks to ensure any results are maintained, although the program can be completed in 3 weeks. SleepFix is best used alone and not in conjunction with other sleep treatments such as medications or Cognitive Behavioural Therapy as they may affect the efficacy of the SleepFix program. How does SleepFix help people with insomnia or poor sleep? SleepFix is for adults with poor sleep who simply want to build good sleep health. It is a self-help program with the objective of sleep education. It is not intended to diagnose or treat insomnia, or otherwise, replace any medical advice or guidance by a qualified healthcare professional. At present, SleepFix has been created for anyone who: would like to build better sleep health AND is at least 18 years of age AND can read and understand English AND has access to a smartphone By using SleepFix and the associated services, you agree that you fulfil the above target audience criteria.

About

One

Features
Read full description

Welcome to One-Word Memory Test, your daily companion for cognitive tracking and memory improvement. Designed with science-backed principles, One-Word Memory Test provides a simple, engaging, and effective way to monitor your memory skills over time. Whether you're looking to challenge your brain, build healthy cognitive habits, or just stay sharp, One-Word Memory Test makes it easy to step into a daily routine that fits right in your pocket. SCIENCE-BACKED MEMORY TESTING Our core testing experience is built around structured, continuous assessments. Complete quick, engaging memory tests and track your performance directly from your device. TRACK YOUR PROGRESS Consistency is key. Watch your memory journey unfold with our intuitive Weekly Score Charts. See how you improve week over week and identify patterns in your cognitive performance. BUILD YOUR STREAK Stay motivated by building a daily habit! Our Week Tracker and Streak systems reward you for showing up. Set custom notifications and reminders so you never miss a day of training. GUIDED ONBOARDING & EDUCATION Not sure where to start? Our comprehensive onboarding flow walks you through the science behind the One-Word Memory test. Learn exactly how the tests work and why they matter before you even begin. ONE-WORD MEMORY TEST PRO Unlock the full experience with a Pro subscription: - Weekly reports on your score - Your general memory score - Extra memory tests - Ongoing access to new features Subscription details: - One-Word Memory Test Pro: $1.99 per month, with a 10-day free trial for new subscribers - Payment is charged to your Apple ID account at confirmation of purchase - Your subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period - Your account is charged for renewal within 24 hours prior to the end of the current period - You can manage your subscription and turn off auto-renewal in your Apple ID Account Settings after purchase - Any unused portion of a free trial is forfeited when you purchase a subscription IMPORTANT One-Word Memory Test is for research and self-tracking. It does not provide medical advice, diagnosis, or treatment. If you have concerns about your health, please contact a qualified health professional. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://neurotreatment.com.au/privacy-policy.aspx Questions or support: jaime.berry@neurotreatment.com.au

Screenshots

Sleepfix3 screens
One4 screens

Verdict

The call

The clearest difference is update cadence: One at weekly against Sleepfix's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Sleepfix ships an update every 3 months, One weekly. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

Scorecard1 real difference ยท 5 level
Sleepfix versus One: the parameters behind the verdict, then further details
ParameterSleepfixOne
PriceFreeFree
Update frequencyEvery 3 monthsWeekly โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPod โ€” better
Requires iOS16.615.1 โ€” better
Further details โ€” not scored
Size118 MB41 MB
Age rating4+17+
DeveloperChristopher GordonAdvanced Neuropsychological Treatment Services (ANTS)

In-app purchases

None

Sleepfix

No in-app purchases

None

One

No in-app purchases

Questions

Is Sleepfix free?
Sleepfix is free to download, with no in-app purchases.
Is One free?
One is free to download, with no in-app purchases.
Do Sleepfix or One have ads?
Neither Sleepfix nor One shows ads.
Which is updated more often, Sleepfix or One?
Sleepfix ships an update every 3 months, and One weekly. Most recently, Sleepfix was updated on October 17, 2026 and One on October 7, 2026.

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