Comparison

BLK BOX vs Sleep Tracker

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

Head to head
About

BLK BOX

Manage your health and fitness journey with this app. Book classes, create custom workout plans, and track your physical progress. Connect with other members and stay updated on club news and offers.

Highlights
  • Book classes online
  • Create custom exercise programs
  • Track workout progress
  • Monitor body measurements
  • Direct contact with club staff
  • Community interaction
  • HealthKit integration
Features
Read full description

Guiding you through your health and fitness journey! - Book classes online in just a few clicks - Create your own exercise programmes or select from a range provided by the club - Track your progress from all your workouts - Keep track of your body measurements and progress - Contact club staff directly - Interact and get to know your fellow members - See all the latest club news, offers and events - Refer Friends to the club online - Recipes Library Apple Health App Integration Track your progress with our HealthKit app integration to import and measure your daily steps, distance or calories burnt. Also use HealthKit to import your data from a range of different wearable devices.

About

Sleep Tracker

Features
Read full description

Track your sleep simply and privately. Sleep Tracker is a lightweight manual sleep journal designed for people who want full control over their sleep data without creating accounts, sharing personal information, or connecting wearable devices. Log your sleep sessions, monitor your habits, and build a better bedtime routine with a clean and distraction-free experience. Features • Manual sleep tracking Quickly log when you sleep and wake up. • Privacy focused Your sleep data stays on your device. No account required. • Simple and clean design No complicated setup, unnecessary tabs, or overwhelming dashboards. • Sleep history Review your past sleep sessions anytime. • Sleep insights See patterns and understand your sleeping habits over time. • Bedtime routine support Track consistency and improve your daily rhythm. • Lightweight experience Fast, minimal, and easy to use every day. Built for simplicity Many sleep apps are overloaded with features, ads, accounts, and unnecessary complexity. Sleep Tracker focuses on the essentials: Manual sleep logging Privacy-first experience Clean interface Easy daily use Whether you want to improve your sleep schedule, stay consistent, or simply keep a personal sleep diary, Sleep Tracker helps you stay aware of your habits without distractions. Privacy first Your sleep information is personal. Sleep Tracker is designed with privacy in mind and avoids unnecessary data collection. No wearable device required. No complicated onboarding. Just simple sleep tracking. Start building healthier sleep habits today with Sleep Tracker: Private Log. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.ramazanerikli.com/apps/sleep-tracker/privacy

Screenshots

BLK BOX3 screens
Sleep Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: BLK BOX at none against Sleep Tracker's 2. Sleep Tracker's advantage is update cadence (every 5 weeks vs every 7 months). On price, ads, device support and iOS requirement 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. Sleep Tracker sells 2 in-app purchases, starting at $4.99 per month. BLK BOX asks for nothing beyond the download.

UpkeepUpdate frequency

BLK BOX ships an update every 7 months, Sleep Tracker every 5 weeks. The most recent releases landed on October 30, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 7 level
BLK BOX versus Sleep Tracker: the parameters behind the verdict, then further details
ParameterBLK BOXSleep Tracker
PriceFreeFree
Rating4.9 (43 ratings) — better—
Number of ratings43 — better—
Update frequencyEvery 7 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size55 MB47 MB
Age rating4+4+
DeveloperTeamUp SportsRamazan Erikli

In-app purchases

None

BLK BOX

No in-app purchases

2 purchases

Sleep Tracker

Subscriptions2
  • Sleep Tracker Premium (Monthly)$4.991 Month
  • Sleep Tracker Premium (Yearly)$39.991 Year

Questions

Is BLK BOX free?
BLK BOX is free to download, with no in-app purchases.
Is Sleep Tracker free?
Sleep Tracker is free to download, with in-app purchases available.
Do BLK BOX or Sleep Tracker have ads?
Neither BLK BOX nor Sleep Tracker shows ads.
Which is updated more often, BLK BOX or Sleep Tracker?
BLK BOX ships an update every 7 months, and Sleep Tracker every 5 weeks. Most recently, BLK BOX was updated on October 30, 2026 and Sleep Tracker on October 13, 2026.

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