# Glow: A fertility and ovulation tracker: period forecasts, partner sharing and community forums

Canonical page: https://herfound.com/apps/glow

Compiled by HerFound from public sources; facts aren't founder-confirmed yet.

## About

Glow is a period, ovulation and fertility tracker made mainly for those trying to conceive 🌷 It forecasts your next period and most fertile days, and sharpens those forecasts as you log temperature, ovulation tests, cervical mucus, mood and symptoms. You can invite your partner to keep their own log and follow a shared period calendar, and lean on forums and articles along the way 💞 Glow Premium, a paid subscription covering Glow, Inc.'s four apps, adds advanced charts, comparative insights, premium articles and ad-free use.

## Who Glow is for

People who want to monitor their cycle and ovulation, particularly those trying to conceive; partners can be invited to track alongside.

Tags: Trying to conceive

## Features

- 🌷 Forecasts of your next period and most fertile days
- 📝 Log BBT, LH tests, cervical mucus, mood and symptoms to refine predictions
- 📷 Scan Glow's own ovulation test strips with your camera; other brands are entered by hand
- 🌡️ Readings from the Glow basal thermometer sync automatically
- 💞 Invite your partner to log too and share a period calendar
- 💬 Discussion forums and educational articles
- 🤰 A pregnancy-tracking mode
- 📱 Offline mode that keeps your logged data on your phone

## Details

- Category: Cycle & Health
- Platforms: iOS, Android
- Pricing: Freemium
- Availability: Available
- Based in: United States
- App Store rating (Apple's, not HerFound's): 4.7 from 75,120 ratings, checked 2026-11-14

## Maker

- Glow, Inc.: https://glowing.com

## Quick facts

From Glow's own published pages. These summarise what the company states, not an audit of what the app does.

- **Free version:** There is a free version.
  - Quote: "Yes, the Ovulation Tracker app is free to download and use. There’s also an option to upgrade to Glow Premium."
  - Source: https://glowing.com/glow-app (checked 2026-11-12)
- **Paid plan:** $59.99/year, $29.99 every 3 months or $99.99 lifetime (Glow Premium, official Glow Premium page. One subscription covers all four Glow apps).
  - Quote: "Annual: $59.99 ($4.99/month *12 months). You will be subscribed for the whole year and the $59.99 is billed once per year. Quarterly: $29.99/3 months. You will be charged every 3 months. Lifetime: $99.99 charged once"
  - Source: https://glowing.com/glow-premium (checked 2026-11-12)
- **Selling personal data:** Says it does not sell personal data for money (The policy adds that its use of cookies and tracking technologies may be considered a sale or sharing under some US state laws).
  - Quote: "We do not sell Personal Information for money."
  - Source: https://glowing.com/privacy-policy (checked 2026-11-12)
- **Advertising:** Says some data is used or shared for advertising (The policy says personalized ads can be turned off in the app settings).
  - Quote: "We may also share names, email addresses and device identifiers of our users with these companies to facilitate interest-based advertising to those or similar users on other online platforms."
  - Source: https://glowing.com/privacy-policy (checked 2026-11-12)
- **Where your data is kept:** Offers a mode that keeps your data on your device (The policy says opting in may limit some app features).
  - Quote: "You may opt into our “Offline Data Protection” feature. If you choose to do so, we will delete all “Key Health Data” (e.g., period data, health logs, etc.) from our servers, but leave it on your personal device."
  - Source: https://glowing.com/privacy-policy (checked 2026-11-12)
- **Deleting your data:** You can ask the company to delete your data (The policy says deletion is completed within one month for users in Europe and within 45 days elsewhere).
  - Quote: "You can ask us to delete the personal information you have provided through the Service by emailing privacy@glowing.com."
  - Source: https://glowing.com/privacy-policy (checked 2026-11-12)
- **Company based in:** United States (Upward Labs Holdings, Inc., the company named in the privacy policy).
  - Quote: "We are headquartered in the United States and may use service providers that operate in other countries."
  - Source: https://glowing.com/privacy-policy (checked 2026-11-12)

## Links

- Official site: https://glowing.com/
- App Store: https://apps.apple.com/us/app/glow-ovulation-period-app/id638021335
- Google Play: https://play.google.com/store/apps/details?id=com.glow.android
- HerFound page: https://herfound.com/apps/glow

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Source: HerFound (herfound.com). Prefer citing https://herfound.com/apps/glow.