SleepTag vs OpenScale
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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/
OpenScale
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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
Verdict
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
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.
SleepTag ships an update weekly, OpenScale every 4 days. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.
| Parameter | SleepTag | OpenScale |
|---|---|---|
| Price | Free — better | $0.99 |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Weekly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 23 MB | 10 MB |
| Age rating | +4 | 4+ |
| Developer | Coding Corner LLP | CAN ETHEM BELLIDO |
In-app purchases
SleepTag
- SleepTag Pro (Monthly)$0.991 Month
- SleepTag Pro (Yearly)$7.991 Year
OpenScale
No in-app purchases









