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Work · alternatives · 2026

24 alternatives to Ninja Number

The simplest phone system available.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Ninja Number launched in 2018; newer entries below may have overtaken it.

  1. 1

    A second phone number for your cell phone

    2020 · ninjanumber.com · its alternatives →

  2. 2
    Listen▲413

    A smart phone number

    2016 · its alternatives →

  3. 3
    Up Ninja▲128

    Simple and affordable uptime monitors and status pages

    2020 · upninja.io · its alternatives →

  4. 4
    Ring4▲308

    Smart phone numbers on demand in 🇺🇸 🇨🇦 🇬🇧 🇧🇪 🇳🇱 🇦🇹

    2017 · ring4.com · its alternatives →

  5. 5
    Yodel▲180

    Get your business phone number on Slack.

    2016 · its alternatives →

  6. 6
    OpenPhone▲271

    Simplest way to own a business phone number

    2018 · quo.com · its alternatives →

  7. 7

    The new phone for business, in an app

    2020 · quo.com · its alternatives →

  8. 8

    Get a US phone number in seconds

    2016 · its alternatives →

  9. 9

    The Smart Phone Number every small to medium business needs

    2018 · get.smartnumber.io · its alternatives →

  10. 10
    ClawdTalk▲218

    Your Clawdbot's first phone number.

    Feb 2026 · its alternatives →

  11. 11
    Ninja.new▲120

    Automate manual tasks with a fully autonomous AI agent

    2025 · ninja.new · its alternatives →

  12. 12

    Your single tool for influencer outreach

    2017 · its alternatives →

  13. 13AV
  14. 14

    Take control of your phone number

    2015 · phonejanitor.com · its alternatives →

  15. 15
    Goodcall▲107

    A free 24/7 intelligent phone assistant for local businesses

    2021 · goodcall.com · its alternatives →

  16. 16CS

    Robocalls and unwanted calls are one of the biggest hassles these days. Over 50% of phone traffic is spam. I'm the founder of CallStop: https://apps.apple.com/us/app/callstop/id1455892856 CallStop allows you to: - Block 100% of robocalls on your current number, using your contacts as a whitelist - Effortlessly email call invites to an any email (that can be joined in one tap, the PIN is embedded), where the recipient can only call you starting 5 minutes before the meeting start and up until 5 minutes after the meeting end - Pause call filtering and have it…

    2020 · its alternatives →

  17. 17

    Hi there and welcome! We would like to formally introduce you to Switchboard, the service that lets you take control of how people reach you.

    2018 · goswitchboard.com · its alternatives →

  18. 18

    Reverse phone lookup made simple and fast

    2025 · whonumberisthis.com · its alternatives →

  19. 19
    Ninja▲59

    Increase sales and interactions on Depop with Ninja

    2022 · getninja.io · its alternatives →

  20. 20

    Make every call count. A tool for call centers.

    2019 · phonestat.com · its alternatives →

  21. 21

    Digital services for online businesses.

    2017 · promoteninja.com · its alternatives →

  22. 22

    The simple and elegant pace calculator for runners

    2017 · pace.ninja · its alternatives →

  23. 23

    Business phone system for happy teams and customers

    2021 · ringblaze.com · its alternatives →

  24. 24SN

    Hey HN I’m Daniel, a fullstack developer from Sydney Australia and founder at Saas Ninja (https://saasninja.io/). Saas Ninja provides a suite of simple tools/APIs on a monthly subscription basis that help Product Teams sell, monitor and develop their Saas Products. The idea for Saas Ninja came during my last employment contract working for a startup. We needed a number of monitoring tools for our product and each provider I researched was often over-complicated for what we wanted and was priced more towards a monitoring connoisseur than a startup developer. With looming…

    2018 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →