Step 1
Export what matters
Note your recent period dates and any test results from Glow.
Glow vs Her Good Days
Her Good Days vs Glow
Glow is built for trying to conceive, with charts for temperature and cervical mucus and a busy community. Her Good Days is free and covers more stages.
- Checked October 30, 2026
- Every Glow fact linked to its source
Comparing more apps? See period tracker apps, compared.
| At a glance | Glow | Her Good Days |
|---|---|---|
| Price | Free download; Glow Premium $59.99 a year after a 7-day trial (Glow) | Free. No paid tier |
| What you pay for | Advanced cycle and temperature charts, analysis, forecasts, premium articles, private messages, and it removes the ads | Nothing |
| Menopause | Not in the listing | Hot flashes by week, sleep next to night sweats, a doctor report |
| Verdict | Fits if you're trying to conceive and want deep fertility charts | The pick if you want a free tracker that keeps going after pregnancy |
Where Her Good Days is different
More stages
Glow's charts, cycle analysis and forecasts sit in Premium, which also removes ads; its site says $59.99 a year after a 7-day trial (Glow).
Her Good Days shows estimated fertile days and logs ovulation tests, labeled Not birth control. It also covers pregnancy, after birth and menopause in the same app.
Feature by feature
Glow vs Her Good Days, side by side
| Glow | Her Good Days | |
|---|---|---|
| Price | Free download; Premium $59.99 a year after a 7-day trial (Glow); in-app purchases $15.99 to $69.99 (App Store) | Free. No paid tier |
| Periods | Cycle tracking | Period start and flow; your next period shown as a range |
| Fertile days | Ovulation and fertility signs, with forecasts in Premium | Estimated fertile days, labeled "Not birth control"; never in teen mode |
| Ovulation tests | Basal temperature and cervical mucus charts | Ovulation test results with the time, in the Cycle mini app |
| Perimenopause and menopause | Not in the listing | Hot flashes per week and the hours they cluster in, sleep next to night sweats, cycle gaps over 60 days |
| Report for your doctor | Not stated in the listing | A PDF for the dates you pick: periods, cycle lengths, each symptom with how often and how strong, sleep, medications, your notes |
| Teens | Rated 13+ | From 13. Teen mode has no shop, no weight-loss goals and no fertile days |
| Use without an account | Not stated in the listing | Private mode: no account, and nothing leaves the phone |
| Ads and tracking | Label: purchases, location, contact info, identifiers and usage data used to track you; contains advertising | No outside analytics code |
| Community | A large community, private messages in Premium | No forums or chat |
| Watch and wearables | Apple Health sync | Not yet. Steps come in from Apple Health or Health Connect |
| Platforms | iPhone, Android | iPhone and Android |
How we source this. Glow cells come from the US App Store listing, glowing.com, the privacy policy (effective October 12, 2026) and Google Play, checked October 30, 2026. Glow is a trademark of its owner; Her Good Days isn't affiliated with it.
Pricing
Glow pricing vs Her Good Days
From glowing.com and the US App Store on October 30, 2026.
Her Good Days
Free, every feature
| Every feature | $0 |
| Paid tier | None |
| Trial | Nothing to cancel |
Glow
Free, then Premium
| Free | Cycle tracking and community, with ads |
| Glow Premium, yearly | $59.99 after a 7-day trial |
| Other Premium in-app purchases | $15.99, $29.99, $69.99 |
| Ovulation Calculator | $35.99 |
Privacy
Glow's privacy record
In September 2020 California's Attorney General settled with Glow, Inc. over a fertility app that failed to safeguard health information, with a $250,000 civil penalty and a requirement to get consent before sharing medical information (HHS-OIG copy of the release).
Glow's policy now says: "We do not sell or share health information from our users," and that it may use third-party advertisers to show ads (Glow privacy policy).
Which one to pick
| Pick Her Good Days if | Glow fits if |
|---|---|
| You're actively trying to conceive. |
How to switch from Glow
Step 2
Start Her Good Days
Pick your stage, enter your last period, and add ovulation test results in the Cycle mini app.
Step 3
Cancel Premium where you bought it
Then delete your Glow account if you're done with it.
Other comparisons
Questions
Is Glow free?
You can download and use it free, with ads. Premium is $59.99 a year after a 7-day trial.
Is the Glow app safe?
Glow settled with California's Attorney General in 2020 over data protection. Its policy now says it doesn't sell or share health information (Glow). Its App Store label lists 5 data types used to track you.
Is Her Good Days good for trying to conceive?
It shows estimated fertile days and logs ovulation tests, labeled Not birth control. Glow has more charts for it.