Sperm Donation Apps & Websites 2025 – Comprehensive Comparison

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written by Zappelphilipp Marx•25 May 2025
Screenshot of various sperm donation apps

Modern family planning has evolved rapidly. Where once traditional sperm banks were the only option, digital platforms now open entirely new pathways: sperm donation apps offer a more personalised—and often more private—approach to fulfilling the desire to have children, for singles, heterosexual couples and the LGBTQ+ community alike. In this article we introduce the leading apps, explain their standout features and highlight the UK legal considerations you need to know in 2025.

What Are Sperm Donation Apps?

Sperm donation apps connect donors and recipients directly, frequently bypassing the clinic route. Users create profiles detailing health, appearance, education and interests. Depending on the platform, you can opt for anonymous donation or arrange ongoing contact.

Sperm Donation Apps 2025: Top 14 Platforms Compared

1. RattleStork

  • Available on: iOS, Android, Web
  • Key features: Detailed donor profiles, in-app chat, flexible agreements
  • Pricing:Freemium – basic features free; premium filters & profile boosts coming (as of May 2025)
  • Best for: Those seeking a personal connection and regular updates
  • Website:rattlestork.org
  • App Store:Apple
  • Google Play:Android

Overview:
RattleStork emphasises private donations with maximum transparency: rich profiles and an integrated chat simplify getting to know one another—whether anonymously or openly.

2. Just a Baby

  • Available on: iOS, Android
  • Key features: Sperm donation, egg donation, co-parent matching
  • Pricing: Basic free; premium features extra
  • Best for: Those exploring multiple paths to parenthood
  • Website:justababy.com

Overview:
Swipe through donors, egg donors or co-parents—much like a dating app—particularly popular within the LGBTQ+ community.

3. Modamily

  • Available on: iOS, Web
  • Key features: Focus on co-parenting, professional coaching & counselling
  • Pricing: Contact Modamily for rates
  • Best for: Long-term co-parenting arrangements
  • Website:modamily.com

Overview:
Modamily connects people seeking alternative family structures and provides expert coaching and support.

4. CoParents

  • Available on: iOS, Android, Web
  • Key features: Global reach, advanced search filters
  • Pricing: Free basic; add-ons extra
  • Best for: Users looking internationally
  • Website:coparents.com

Overview:
CoParents builds a worldwide community—ideal when local regulations present hurdles.

5. Pride Angel

  • Available on: Web
  • Key features: LGBTQ+ focus, comprehensive counselling packages
  • Pricing: Varies by package; registration fee applies
  • Best for: Those seeking a supportive LGBTQ+ network
  • Website:prideangel.com

Overview:
Pride Angel combines sperm, egg and co-parenting services with thorough medical and legal guidance.

6. Familyship

  • Available on: Web
  • Key features: Community events, expert workshops
  • Pricing: Package-based
  • Best for: Deep networking & professional support
  • Website:familyship.org

Overview:
Familyship hosts meetups, provides legal and psychological expertise, and fosters multi-parent families.

7. Co-Parents UK

  • Available on: Web
  • Key features: UK focus, straightforward interface
  • Pricing: Free basic; paid add-ons
  • Best for: UK residents seeking local matches
  • Website:co-parents.co.uk

Overview:
One of the most popular UK platforms—supports both anonymous and open arrangements.

8. Coparentalys

  • Available on: Web
  • Key features: Global network, co-parenting emphasis
  • Pricing: Listed on site
  • Best for: International searches
  • Website:coparentalys.com

Overview:
Coparentalys bridges singles and couples worldwide—heterosexual or LGBTQ+.

9. PollenTree

  • Available on: Web
  • Key features: Free community, granular filters
  • Pricing: Basic free
  • Best for: UK & US users seeking known donors or co-parents
  • Website:pollentree.com

Overview:
Over a decade of service with filters for distance, blood type and donation type.

10. Let’s Be Parents

  • Available on: iOS, Android, Web
  • Key features: Sperm donation, surrogacy, co-parent matching, verified profiles
  • Pricing: Free basic; in-app upgrades
  • Best for: Those exploring every path to parenthood
  • Website:letsbeparents.com
  • Google Play:Android

Overview:
Launched in 2024, this app combines donor search, surrogacy and co-parent matching with in-app chat.

11. Known Donor Registry

  • Available on: Web
  • Key features: Known-donor network, egg & embryo donation
  • Pricing: Registration & basics free
  • Best for: Those valuing transparency and legal clarity
  • Website:knowndonorregistry.com

Overview:
Offers legal resources and community testimonials alongside matching.

12. Expecting.ai

  • Available on: Web
  • Key features: AI-driven donor search, large database, surrogacy options
  • Pricing: Service-based model (profile review free)
  • Best for: Those needing highly precise filters
  • Website:expecting.ai

Overview:
Aggregates multiple cryobanks and uses AI to suggest ideal donor or surrogate matches.

13. BestInterest

  • Available on: iOS, Android, Web
  • Key features: AI moderation of co-parent chats, document storage
  • Pricing: Freemium – core free; premium plan for extended support
  • Best for: Co-parents requiring legally sound communication
  • Website:bestinterest.app
  • App Store:Apple

Overview:
BestInterest filters toxic messages via AI and archives agreements—ideal for legal documentation.

14. Gayby

  • Available on: Web (Beta), iOS & Android in development
  • Key features: Matches gay donors with LGBTQ+ couples & single women
  • Pricing: Free in beta; freemium later
  • Best for: Those seeking LGBTQ+-friendly donors
  • Website:gayby.com

Overview:
Gayby uses personalised vetting and matching criteria such as ethnicity, education or eye colour—tailored for rainbow families.

Legal Considerations: What You Need to Know in the UK

In the UK, sperm donation is regulated by the Human Fertilisation and Embryology Authority (HFEA) under the Human Fertilisation and Embryology Act 1990 (as amended). Donors must be approved and registered with the HFEA and undergo mandatory health screenings and genetic tests. For donations made after 1 April 2005, donors cannot remain anonymous; donor-conceived individuals have the right to access identifying information once they turn 18.

For private arrangements via apps, it is advisable to draw up a legally binding agreement in advance. Some platforms offer template agreements, but consulting a solicitor specialising in reproductive law is recommended. Bear in mind that regulations vary across UK nations (England, Scotland, Wales, Northern Ireland), so always check local requirements.

Pros & Cons of Sperm Donation Apps

Pros:

  • Personalised matching: Detailed profiles allow filtering by appearance, education, hobbies and health.
  • Flexibility: Options range from anonymous donation to long-term contact.
  • Low barrier to entry: Intuitive apps accessible nationwide.
  • Diverse family models: Co-parenting and LGBTQ+-focused platforms support modern structures.
  • Cost efficiency: Private donations often cost less than clinic fees.
  • Community & support: Many apps host forums, events and mentoring.

Cons & Challenges:

  • Legal uncertainty: Private agreements may not be fully binding; support obligations can arise.
  • Lack of uniform medical standards: Not all platforms require comprehensive testing.
  • Privacy risks: Sensitive data demands careful handling.
  • Anonymity vs parental rights: Full anonymity may not be guaranteed under UK law.
  • Emotional complexity: Long-term relationships can bring conflicts.
  • Regulatory variation: Laws differ across UK nations.
  • Grey-area operations: Many apps operate in legal grey zones.
  • Hidden costs: Premium features, legal or medical services can add up.

Conclusion

Sperm donation apps open flexible, modern routes to parenthood and often offer a more personalised alternative to traditional clinics. From RattleStork to PollenTree and Gayby, each platform has its strengths and target audience. By staying informed about HFEA regulations, privacy protections and medical protocols, you can increase your chances of a smooth, fulfilling journey to parenthood on your own terms.

Frequently Asked Questions (FAQ)

Popular platforms include RattleStork, Just a Baby, CoParents, Modamily, Pride Angel, Familyship, PollenTree, Coparentalys, Let’s Be Parents and Gayby—each focusing on different aspects such as anonymity, co-parenting or surrogacy.

Apps facilitate direct contact between donors and recipients, offering profile filters and chat features. Clinics anonymise donors but handle all medical and legal protocols. You’ll need to weigh cost, privacy and convenience.

Check privacy policies, screening procedures, medical verification, contract options, user base in your region and pricing models (freemium, subscription, pay-per-feature). Read reviews and consider parental rights implications.

Yes—donation falls under HFEA regulation and UK law. Donors must be HFEA-approved and screened. Private agreements can supplement but not replace professional legal advice.

App fees: Free basic or subscription/in-app purchases.
Medical: £150–£400 for semen analysis & screening.
Legal: £300–£800 for solicitor’s fees & notarisation.
Logistics: Sample postage or travel expenses.

Reputable apps use encryption, avoid third-party trackers and comply with GDPR and UK data protection law. Share only necessary information and enable two-factor authentication.

Short-term anonymity is common, but UK donors cannot remain anonymous for donations after April 2005. Donor-conceived people may access identifying information at age 18.

Personalised matching, flexible contact options, nationwide reach, often lower cost, and community support through forums and events.

Legal grey areas, variable medical standards, privacy gaps, emotional complexities and unexpected costs for premium features or professional services.

Verify health screenings (HIV, hepatitis B/C, genetic panels), request up-to-date lab reports, discuss expectations (support, contact, disclosure) and seek medical and legal advice as needed.

Yes. Platforms such as Modamily, Familyship and PollenTree specialise in co-parent matching, where both parties share parenting responsibilities without a romantic relationship. Clear contracts and communication are essential.

HFEA guidelines recommend limiting donations to no more than ten families. Clinics set their own protocols; private donors should follow best-practice ethics to avoid excessive biological siblings.

Sterility: Use single-use catheters and sterile containers.
Timing: Ovulation test 24–36 hours before insemination.
Handling: Use within 60 minutes at body temperature (37 °C).
Legal: Draft agreements in advance and document medical tests.

Without a court-enforceable agreement, a donor could be held liable for child support. A detailed contract plus legal advice protects both parties.

Strongly recommended: a written, ideally notarised, agreement outlining rights and responsibilities (support, custody, visitation, cost sharing).

Many platforms use KYC providers: you upload a government ID selfie and software verifies biometrics. Without verification, you often cannot chat or create a profile—adding security.

Yes, prior to donation or embryo creation. Once sperm has been used to fertilise an egg, withdrawal becomes legally complex and should be addressed in the contract.

Technically yes, but ethical practice calls for transparency. Inform all parties to avoid misunderstandings.

At –196 °C in liquid nitrogen, sperm remain viable indefinitely; studies show successful pregnancies after 20+ years. Maintain strict cold-chain documentation.

On average 10–20 per cent per cycle, depending on age, cycle monitoring and sperm quality. Clinical IUI/IVF can reach 15–25 per cent or 30–40 per cent respectively, at significantly higher cost.