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Splash vs Clue

Clue is a Berlin-based period tracker with a science-led brand, a free version and a paid Clue Plus tier. Here is a side-by-side look at both, from each app’s own pages.

In short: Clue and Splash are both privacy-minded trackers. Clue is Berlin-based and science-led; sharing your own cycle through Clue Connect, Conceive mode and Perimenopause mode need Clue Plus, and Pregnancy mode has a basic free version. Splash includes sharing and every mode free, needs no account, and keeps data on your phone. Reviewed 28 October 2026.

Last reviewed against Clue’s own pages · 11 sources · what changed

Clue has named clinician authors, years of research partnerships and EU (GDPR) jurisdiction. Splash gives you sharing and every mode free, without an account.

Splash
Free, with no paid tier
Clue
Free version plus Clue Plus (monthly or yearly; price varies by region)

Choose Splash if

  • You want partner sharing and conceive, pregnancy and perimenopause modes free
  • You want to use it without any account
  • You want your partner to see more than phases, with you choosing exactly what

Choose Clue if

  • You value named clinician authors and Clue’s research track record
  • You want a native app with an account that syncs anywhere
  • You need an FDA-cleared birth control product (Clue Birth Control)

Try it beside Clue. Splash opens in your browser with no sign-up, and you can import your history and keep both while you decide.

Get Splash, free

Side by side

Splash vs Clue Last checked
FeatureSplashClue
PriceSource [1]Free, no paid tierFree + Clue Plus
Account neededSource [2]NoYes for sharing
Where your logs liveSource [3] [4]On your device; optional E2E-encrypted syncClue servers, EU-based company
Share your cycleSource [2]Free, E2E-encryptedClue Plus (viewing is free)
What a partner can seeSource [2]You choose categoriesPhases only (no mood, energy, pain)
Conceive modeSource [5] [6]FreeClue Plus
Perimenopause modeSource [7]FreeClue Plus
Pregnancy modeSource [8] [6]FreeBasic version free; weekly insights and expert articles in Clue Plus
Report for your doctorNot verified for ClueFree; print, PDF or an expiring encrypted link–
Native app store appsSource [3]Android app and web app, with iPhone and Apple Watch appsiOS and Android
Import from ClueYes–

Where Clue is stronger

  • Named clinician authors and a long record of research partnerships. Splash has no clinician reviewer yet.
  • A company under EU law (GDPR), headquartered in Berlin.[3]
  • A separate FDA-cleared birth control product, Clue Birth Control. Splash is not contraception.[9]
  • Native apps, and an account that restores your data on any phone.[3]
  • In Mozilla’s July 2026 review of six period trackers, Clue scored 8 out of 10. Reports say it is upfront about how it uses data users agree to share.[10][11]

Questions people ask about Splash and Clue

Is there a free alternative to Clue Plus?

Splash includes partner sharing and the conceive, pregnancy and perimenopause modes free, with no paid tier. Clue’s own free version also remains available, with a basic Pregnancy mode. Clue Plus adds Clue Connect sharing, Conceive and Perimenopause modes, and fuller pregnancy insights.

Which Clue features need Clue Plus?

According to Clue’s support pages, sharing your own cycle through Clue Connect, Conceive mode and Perimenopause mode are part of Clue Plus. Pregnancy mode has a free version showing your week, due date and high-level development; weekly insights and expert articles are Clue Plus. Viewing a cycle someone shares with you is free.

Can I import my Clue data into Splash?

Yes. In Clue, go to More, Settings, Download my data, then open the file in Splash. It is read on your device and not uploaded to us. Clue emails the download link, which works for 72 hours, so save the file before it expires.

Does Clue sell data?

Mozilla’s 2022 review reported that Clue says it does not sell user data. In its July 2026 review Mozilla scored Clue 8 out of 10 and described it as upfront about how it uses data users agree to share. Check Clue’s current privacy policy for the latest.

What changed at the last review

  • : Pregnancy mode now shows that Clue has a basic free version (week, due date, development) with weekly insights and expert articles in Clue Plus; Perimenopause and Conceive confirmed as Clue Plus; added the July 2026 Mozilla review. Splash’s doctor report row now notes the encrypted link.

Sources

  1. Clue support: How much does Clue Plus cost? accessed 2026-10-26
  2. Clue support: How can I share my cycle using Clue Connect? accessed 2026-10-26
  3. Clue on the App Store accessed 2026-10-26
  4. Mozilla Privacy Not Included: Clue (Aug 2022 review) accessed 2026-10-26
  5. Clue support: How much does Clue Conceive cost? accessed 2026-10-26
  6. Clue support: What are modes? accessed 2026-10-28 (Clue blocks automated fetching; read through a search excerpt.)
  7. Clue support: What’s Clue Perimenopause mode? accessed 2026-10-28 (Clue blocks automated fetching; read through a search excerpt.)
  8. Clue support: What is the free version of Clue Pregnancy mode? accessed 2026-10-28 (Clue blocks automated fetching; read through a search excerpt.)
  9. FDA 510(k) K193330: BioWink GmbH (Clue Birth Control), Feb 2021 accessed 2026-10-26
  10. DH Insights: Mozilla report reveals wide privacy gaps among popular period tracking apps (30 Jul 2026) accessed 2026-10-28
  11. Mozilla Foundation: Nothing Personal, period and ovulation trackers (16 Jul 2026) accessed 2026-10-28 (Mozilla’s page blocks automated fetching. The findings used here are checked against the two reports listed next to it.)

Splash facts come from the app itself: local-first storage, optional AES-GCM-256 end-to-end encrypted sync, and imports from Flo, Clue, Apple Health and drip exports.

More comparisons

Try Splash alongside what you use now

Free, no account. Import your history and keep both until you decide.

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Splash Today screen showing the cycle ring and today’s phase