Comparison

Unbreakable Mind vs Sleep Efficiency Tracker

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

Head to head
About

Unbreakable Mind

Read full description

Unbreakable Mind is a one stop shop for getting the most out of your Unbreakable journey, making upgrading your mindset a simple and fun experience. Features: - Movement sessions for all abilities to start your day energised - Meditation audios and breathing sessions to create a calm and focussed mind. - A sleep hub with stories and meditations to help you relax and recharge at night. - Mini courses on Fear, Meditation, Unbreakable Mindset basics and more.. - The Academy Path: a step by step training plan where you can win awards and upgrades as well as take on challenges to keep you engaged and motivated. This is all wrapped up in a simple and easy to use format that removes the stress and overwhelm that comes with figuring out what to do and when. Terms of use: http://www.apple.com/legal/itunes/appstore/dev/stdeula Privacy policy: https://unbreakablemind.co.uk/app/privacy-policy

About

Sleep Efficiency Tracker

Improve sleep quality and combat insomnia using CBT-I principles. This tool helps track and optimize sleep patterns by calculating a sleep efficiency score for better rest.

Highlights
  • Track sleep patterns
  • Calculate sleep efficiency score
  • Combat insomnia
  • Based on CBT-I principles
  • Improve sleep quality
  • Gain insights for better rest
Features
Read full description

Improve your sleep quality and combat insomnia with the Sleep Efficiency Calculator. This simple tool, based on Cognitive Behavioral Therapy for Insomnia (CBT-I) principles, helps you track and optimize your sleep patterns. Calculate your sleep efficiency score, a key metric in assessing sleep quality, and gain insights to improve your rest. Whether you're dealing with occasional sleep issues or chronic insomnia, our app provides the data and guidance you need for better sleep.

Screenshots

Unbreakable Mind3 screens
Sleep Efficiency Tracker2 screens

Verdict

The call

The clearest difference is in-app purchases: Sleep Efficiency Tracker at none against Unbreakable Mind's 1. Sleep Efficiency Tracker also leads on update cadence (daily vs every 2 months) and iOS requirement (13.4 vs 15.1). On price, 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. Unbreakable Mind sells 1 in-app purchase, starting at $9.99 per month. Sleep Efficiency Tracker asks for nothing beyond the download.

UpkeepUpdate frequency

Unbreakable Mind ships an update every 2 months, Sleep Efficiency Tracker daily. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 6 level
Unbreakable Mind versus Sleep Efficiency Tracker: the parameters behind the verdict, then further details
ParameterUnbreakable MindSleep Efficiency Tracker
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 monthsDaily — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.113.4 — better
Further details — not scored
Size53 MB19 MB
Age rating17+4+
DeveloperOliver AyreSebastian Smith

In-app purchases

1 purchases

Unbreakable Mind

Subscriptions1
  • Premium (Monthly)$9.991 Month
None

Sleep Efficiency Tracker

No in-app purchases

Questions

Is Unbreakable Mind free?
Unbreakable Mind is free to download, with in-app purchases available.
Is Sleep Efficiency Tracker free?
Sleep Efficiency Tracker is free to download, with no in-app purchases.
Do Unbreakable Mind or Sleep Efficiency Tracker have ads?
Neither Unbreakable Mind nor Sleep Efficiency Tracker shows ads.
Which is updated more often, Unbreakable Mind or Sleep Efficiency Tracker?
Unbreakable Mind ships an update every 2 months, and Sleep Efficiency Tracker daily. Most recently, Unbreakable Mind was updated on October 9, 2026 and Sleep Efficiency Tracker on October 6, 2026.

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