# Period Cycle Tracker Lunation vs spf.today

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.

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.

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.

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.

## The numbers

| Metric | Period Cycle Tracker Lunation | spf.today |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (106 ratings)](https://appshunter.io/ios/app/period-cycle-tracker-lunation/id6447531740/reviews) | **[4.6 (36 ratings)](https://appshunter.io/ios/app/spftoday-sunscreen-tracker/id6670567397/reviews)** |
| Number of ratings | **106** | 36 |
| Positive reviews | 50.0% of reviews | **88.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 95 MB | 69 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Holdone Software SRL](https://appshunter.io/developer/1681630467) | [Destro Labs LLC](https://appshunter.io/developer/939914528) |

## What reviewers say

### Period Cycle Tracker Lunation

[App page](https://appshunter.io/ios/app/period-cycle-tracker-lunation/id6447531740)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lunation Gold Weekly | $2.99 | per 7 days |
| Lunation Gold Monthyl | $9.99 | per month |
| Lunation Plus Monthly | $9.99 | per month |
| Lunation Start | $9.99 | per month |
| Lunation Plus | $9.99 | per month |
| Lunation Support | $19.99 | per year |
| Secret Discount | $19.99 | per year |
| Lunation Gold | $49.99 | per year |
| Lunation Plus Yearly | $49.99 | per year |
| Lunation Start Yearly | $49.99 | per year |
| Lifetime Gold | $39.99 | one-time |


### spf.today

[App page](https://appshunter.io/ios/app/spftoday-sunscreen-tracker/id6670567397)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| All Access | $3.99 | per year |
| Annual Subscription | $14.99 | per year |
| Annual Subscription | $14.99 | per year |
| Lifetime | $39.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*