Rainbow data vs Sibyl Care
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Rainbow data
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The fertility data tracker for data geeks. Rainbow Data will help you: - Track your cycle and predict ovulation if you are trying to conceive naturally - Track your Basal body temperature (BBT) and detect ovulation based on charting, ovulation tests or lab tests - Schedule drug and supplement reminders and track their usage - Record, review and analyse lab test results - Build a full picture of your fertility data - Enjoy a beautiful and minimal design!
Sibyl Care
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Your guide through pregnancy loss. Sibyl is a private companion for miscarriage and pregnancy loss โ here whenever you need answers, reassurance, or just a place to make sense of it all. Losing a pregnancy can feel disorienting, isolating, and hard to put into words. Whether you're in the early days or further along, Sibyl offers gentle, ongoing support as feelings, questions, and decisions come up โ tailored to what you're experiencing right now. Sibyl has been built with the input of medical and mental health professionals specializing in pregnancy loss, so everything inside is clinically grounded, expertly reviewed, and designed with your real needs in mind. Inside Sibyl, you can: - Receive personalized support and information based on where you are in your experience - Read clear, clinically reviewed articles on what to expect โ physically and emotionally - Work through guided reflection exercises developed with mental health professionals to help you process what you're feeling - Talk with a supportive AI companion, available any time - Find support organized around your mind, body, and everyday life - Build a picture of your experience over time, so support feels continuous Sibyl is designed to help you feel less alone โ and more supported for whatever comes next. Terms of Use: https://www.sibyl.care/terms-of-use
Screenshots
Verdict
The clearest difference is in-app purchases: Rainbow data at none against Sibyl Care's 4. Sibyl Care's advantage is update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement 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
Both are free to download. Sibyl Care sells 4 in-app purchases, starting at $9.99 per month. Rainbow data asks for nothing beyond the download.
Rainbow data ships an update every 3 weeks, Sibyl Care weekly. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.
| Parameter | Rainbow data | Sibyl Care |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Weekly โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 โ better | 14.0 |
| Further details โ not scored | ||
| Size | 29 MB | 21 MB |
| Age rating | 17+ | 17+ |
| Developer | Various MB | Sibyl Care B.V. |
In-app purchases
Rainbow data
No in-app purchases
Sibyl Care
- Sibyl Monthly$9.991 Month
- Sibyl 3-Month$23.993 Months
- Sibyl 6-Month$41.996 Months
- Sibyl Lifetime Access$99.99
Questions
Is Rainbow data free?
Is Sibyl Care free?
Do Rainbow data or Sibyl Care have ads?
Which is updated more often, Rainbow data or Sibyl Care?
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