Comparison

SleepTag vs OpenScale

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

Head to head
About

SleepTag

Understand how daily habits impact your sleep quality. This app imports data from Apple Health, allowing you to tag activities and view insightful charts that reveal patterns affecting your rest. Customize your analysis to make informed choices for better sleep.

Highlights
  • Import sleep data from Apple Health
  • Tag daily habits and events
  • Visualize sleep trends with customizable charts
  • Add tags directly from Apple Watch
  • Ad-free experience
  • Advanced insights with Pro subscription
Features
Read full description

SleepTag: Discover What Impacts Your Sleep Better sleep is one of the most powerful ways to improve your health, focus, and energy. It’s linked to lower risks of chronic illness, slower aging, and higher productivity. SleepTag helps you make the most of your nights - by helping you understand what affects them. With SleepTag, you can track your sleep, tag your daily habits, and explore beautiful, insightful charts that reveal what’s really helping (or hurting) your rest. + Import Sleep Data Seamlessly SleepTag works with the data you’re already collecting via Apple Health (Apple Watch recommended). It calculates a nightly sleep quality score using algorithms inspired by CDC guidance. + Tag What You Did Each Day Was it the late-night snack? Afternoon coffee? A stressful day? Gentle yoga? Tag your days with the habits and events that might be influencing your sleep. Over time, you’ll start to see patterns - so you can make better choices. + Analyze with Stunning, Customizable Charts Visualize your sleep data across any time range. Filter by specific tags. Rearrange, add, or remove charts to match your priorities. SleepTag’s charts are clean, intuitive, and designed to help you spot trends at a glance. + Add Tags on Apple Watch Easily tag your days on Apple Watch and automatically sync tags with your other devices. + Beautifully Simple, Powerfully Insightful SleepTag is crafted to be both elegant and effective. It’s easy to use, respects your privacy, and has no ads - ever. + Go Further with SleepTag Pro Unlock advanced features including: - Full tag customization - Alternative app icons - Pro-level insights with additional charts and filters Your data stays on your device. SleepTag never tracks you or shares your information. Privacy Policy: https://codingcorner.co.uk/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

OpenScale

Features
Read full description

OpenScale is a simple, private weight tracker, where you’re in full control of your data. Log your weight offline, and export or import everything, whenever you want. No accounts. No internet connection. No hidden syncing. Just you and your data, on your device, under your control. Your weight. Your control.

Screenshots

SleepTag4 screens
OpenScale4 screens

Verdict

The call

The clearest difference is price: SleepTag at Free against OpenScale's $0.99. OpenScale's advantage is in-app purchases (none vs 2). On update cadence, 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

SleepTag is free to download; OpenScale costs $0.99 up front. SleepTag sells 2 in-app purchases, starting at $0.99 per month. OpenScale asks for nothing beyond the download.

UpkeepUpdate frequency

SleepTag ships an update weekly, OpenScale every 4 days. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 6 level
SleepTag versus OpenScale: the parameters behind the verdict, then further details
ParameterSleepTagOpenScale
PriceFree — better$0.99
Positive reviews100.0% of reviews—
Update frequencyWeeklyEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS26.026.0
Further details — not scored
Size23 MB10 MB
Age rating+44+
DeveloperCoding Corner LLPCAN ETHEM BELLIDO

In-app purchases

2 purchases

SleepTag

Subscriptions2
  • SleepTag Pro (Monthly)$0.991 Month
  • SleepTag Pro (Yearly)$7.991 Year
None

OpenScale

No in-app purchases

Questions

Is SleepTag free?
SleepTag is free to download, with in-app purchases available.
Is OpenScale free?
OpenScale costs $0.99, with no in-app purchases.
Do SleepTag or OpenScale have ads?
Neither SleepTag nor OpenScale shows ads.
Which is updated more often, SleepTag or OpenScale?
SleepTag ships an update weekly, and OpenScale every 4 days. Most recently, SleepTag was updated on October 26, 2026 and OpenScale on October 31, 2026.

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