Software Alternatives, Accelerators & Startups

Four Seconds

A timer and a simple rule: stop it at exactly four seconds.

Best Four Seconds Alternatives & Competitors in 2025

The best Four Seconds alternatives based on verified products, community votes, reviews and other factors.
Latest update:

  1. Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.

    Key Duolingo features:

    Gamification Accessibility Free Tier Variety of Languages

    /duolingo-alternatives
  2. Tip jar reinvented for credit cards

    /dipjar-alternatives
  3. Verify your customers in under 15 seconds anywhere in the world with a cutting-edge SaaS & API platform for Identity Verification and AML/KYC compliance.

    Key ComplyCube features:

    AML & Sanctions Screening PEP Checks Negative Media Screening Watchlist Screening

    Try for free freemium $0.1 (per credit)

    Try for free
  4. An encyclopedia that talks to your kids

    Key Wikids features:

    Educational Content User-Friendly Interface Safe Environment Engaging Multimedia

    /wikids-alternatives
  5. Helping LatAm college students perform up to 100% better

    Key Filadd features:

    Comprehensive Course Selection Flexible Learning Expert Instructors User-Friendly Interface

    /filadd-alternatives
  6. Detect hate speech, cyberbullying, and more in 27 languages

    Key TisaneAPI features:

    Comprehensive Language Support Advanced Text Analysis Features Customizable Filters and Alerts Real-time Processing

    /tisaneapi-alternatives
  7. Word and number puzzles game, similar to Countdown GameShow

    Key Numito features:

    User-Friendly Interface Robust Data Analysis Tools Customizable Features Integration with Other Tools

    /numito-alternatives
  8. Simple way for you to invest in a child’s financial future.

    Key EarlyBird features:

    User-Friendly Interface Educational Value Gift Contributions Flexible Investment Options

    /earlybird-alternatives
  9. Level up your comprehension in any language

    Key Fluently features:

    User-Friendly Interface Comprehensive Language Support Real-Time Translation Customizable Learning Tools

    /fluently-alternatives
  10. Teaching kids about money through maths

    /mathformoney-alternatives
  11. Simply plug in to protect your kids online

    Key KidsWifi features:

    User-Friendly Interface Comprehensive Parental Controls Portable Device Customizable Settings

    /kidswifi-alternatives
  12. Teach kids about numbers with an easy and fun game

    /dragonbox-numbers-alternatives
  13. resources for the study of the languages of the world

    /lexilogos-alternatives
  14. Intelligent, safe search for kids

    Key Kidy features:

    Child-Friendly Search Results Educational Content Simple Interface Filtered Sources

    /kidy-alternatives
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