Comparison

Period Cycle Tracker Lunation vs spf.today

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

Head to head
About

Period Cycle Tracker Lunation

This app uses AI to predict your menstrual cycle, ovulation, and fertile windows up to 12 months in advance. It allows tracking of over 75 symptoms and moods to provide personalized insights and guidance.

Highlights
  • AI-powered cycle predictions
  • Ovulation and fertile window tracking
  • Pregnancy mode
  • 75+ symptom and activity logging
  • Smart reminders
  • Cycle analytics
  • AI chat assistant
Features
Read full description

Your cycle, predicted by AI — up to 12 months ahead. Lunation uses machine learning trained on your unique patterns to forecast periods, ovulation, and fertile windows with increasing accuracy. Track 75+ symptoms, moods, and activities to unlock deeper insights into your body. ◆ AI-POWERED PREDICTIONS Log your cycle and Lunation learns your rhythm. Get period and ovulation forecasts for up to 12 months — free for 3 months, then with Lunation Gold. ◆ OVULATION & FERTILITY Identify your fertile window with precision. Conception Mode highlights your best days and tracks key fertility signals. ◆ PREGNANCY MODE Switch to week-by-week pregnancy tracking with fetal development milestones, size comparisons, and personalized guidance. ◆ 75+ SYMPTOMS & ACTIVITIES Track cramps, mood, energy, sleep, skin, cravings, and dozens more. See patterns emerge across cycles with visual analytics. ◆ SMART REMINDERS Set custom reminders for upcoming periods, pills, or fertile days. Notifications are discreet — only you know what they mean. ◆ CYCLE ANALYTICS Visualize trends across cycles. Understand your average cycle length, luteal phase, and how symptoms correlate with your cycle phases. ◆ AI CHAT ASSISTANT Ask questions about your cycle, symptoms, or reproductive health and get personalized, instant guidance. Trusted by women in 18 languages worldwide. Download Lunation and let AI do the guessing — so you don't have to. Privacy Policy: https://lunation.me/privacy Terms of Use: https://lunation.me/terms

About

spf.today

Effortlessly track sunscreen application and receive smart reapply reminders. Build consistent sun safety habits with progress tracking and discreet notifications, designed to fit seamlessly into your daily routine.

Highlights
  • Log sunscreen in seconds
  • Track from Lock Screen/Apple Watch
  • Smart reapply reminders
  • Build streaks and view history
  • Subtle, silent notifications
  • Fits into daily routine
Read full description

spf.today helps you build the sunscreen habit—without the nagging. Track applications, get smart reapply reminders, and protect your skin with effortless SPF logging. Log sunscreen in seconds Track directly from your Lock Screen or Apple Watch using Live Activities. No need to open the app. Smart reapply reminders Get notified when it’s time to reapply, based on your SPF level and timing. Subtle, silent, and always on time. See your progress Build streaks, view history, and stay consistent. It’s sunscreen tracking you’ll actually stick with. Made for real life Whether you’re at the beach, out for a walk, or just working by a window—spf.today fits into your day without getting in the way. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/daylight-privacy-policy

Screenshots

Period Cycle Tracker Lunation4 screens
spf.today4 screens

Verdict

The call

Period Cycle Tracker Lunation and spf.today both sit at 4.6 stars, but that hides the real split: 89% of spf.today's written reviews are positive against 50% of Period Cycle Tracker Lunation's. spf.today also leads on update cadence (every 5 days vs every 11 days). On price, rating, ratings volume and ads 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

Both are free to download. Period Cycle Tracker Lunation sells 11 in-app purchases, starting at $2.99 per 7 days and spf.today sells 5 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Period Cycle Tracker Lunation against 4.6 for spf.today. Both are backed by a comparable volume of ratings — 106 and 36 respectively. Written reviews are what separate them: 50% of Period Cycle Tracker Lunation's written reviews are positive against 89% of spf.today's.

UpkeepUpdate frequency

Period Cycle Tracker Lunation ships an update every 11 days, spf.today every 5 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
Period Cycle Tracker Lunation versus spf.today: the parameters behind the verdict, then further details
ParameterPeriod Cycle Tracker Lunationspf.today
PriceFreeFree
Rating4.6 (106 ratings)4.6 (36 ratings) — better
Positive reviews50.0% of reviews88.9% of reviews — better
Number of ratings106 — better36
Update frequencyEvery 11 daysEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS18.617.0 — better
Further details — not scored
Size95 MB69 MB
Age rating12+4+
DeveloperHoldone Software SRLDestro Labs LLC

Customer experience

Period Cycle Tracker Lunation

All ratings106 ratings
Positive90.6%
Neutral4.7%
Negative4.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

spf.today

All ratings35 ratings
Positive91.4%
Neutral0.0%
Negative8.6%
Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

In-app purchases

11 purchases

Period Cycle Tracker Lunation

Subscriptions10
  • Lunation Gold Weekly$2.997 Days
  • Lunation Gold Monthyl$9.991 Month
  • Lunation Plus Monthly3 Days trial$9.991 Month
Show 7 more
  • Lunation Start1 Month trial2 variants$9.991 Month
  • Lunation Plus1 Month trial$9.991 Month
  • Lunation Support$19.991 Year
  • Secret Discount$19.991 Year
  • Lunation Gold7 Days trial$49.991 Year
  • Lunation Plus Yearly7 Days trial$49.991 Year
  • Lunation Start Yearly1 Year trial3 variants$49.991 Year
One-time1
  • Lifetime Gold$39.99
5 purchases

spf.today

Subscriptions4
  • Monthly Subscription$3.991 Month
  • All Access$3.991 Year
  • Annual Subscription7 Days trial$14.991 Year
Show 1 more
  • Annual Subscription$14.991 Year
One-time1
  • Lifetime$39.99

Questions

Is Period Cycle Tracker Lunation free?
Period Cycle Tracker Lunation is free to download, with in-app purchases available.
Is spf.today free?
spf.today is free to download, with in-app purchases available.
Which has better reviews, Period Cycle Tracker Lunation or spf.today?
spf.today is rated higher. Period Cycle Tracker Lunation averages 4.6 out of 5 from 106 ratings, while spf.today averages 4.6 from 36 ratings.
Do Period Cycle Tracker Lunation or spf.today have ads?
Neither Period Cycle Tracker Lunation nor spf.today shows ads.
Which is updated more often, Period Cycle Tracker Lunation or spf.today?
Period Cycle Tracker Lunation ships an update every 11 days, and spf.today every 5 days. Most recently, Period Cycle Tracker Lunation was updated on October 30, 2026 and spf.today on October 24, 2026.

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