Life & fun · alternatives · 2026

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

1. 1
   Ad Spend Calculator▲228

   Should my startup pay to advertise?

   2014 · qwilr.com · its alternatives →

2. 2
   App Cost Calculator▲257

   Plan your app development budget within 2 minutes

   2017 · cleveroad.com · its alternatives →

3. 3
   a16z - When Bio Meets Computer Science▲63

   Reducing costs to speed up innovation

   2016 · soundcloud.com · its alternatives →

4. 4
   B2B SaaS Valuation Calculator▲333

   Instantly generate SPF, DKIM and DMARC for your Google Workspace Emails. 100% fre. No sign up required.

   2024 · florianwueest.com · its alternatives →

5. 5
   Startup Equity Calculator▲164

   Figure out how much equity to grant new hires in seconds.

   2014 · startupequity.io · its alternatives →

6. 6
   Equity Calculator▲148

   2% of startup or cushy salary at BigCo

   2014 · tejusparikh.com · its alternatives →

7. 7
   Open University Data▲83

   Data driven approach to university selection

   2017 · its alternatives →

8. 8
   Estimize▲95

   Crowdsourced earnings estimates

   2014 · estimize.com · its alternatives →

9. 9
   Calca▲87

   Symbolic calculator

   2014 · calca.io · its alternatives →

10. 10
    Coding Bootcamp ROI Calculator▲30

    Calculate the real cost of attending a Coding Bootcamp

    2015 · chegg.com · its alternatives →

11. 11
    App Cost Calculator ▲49

    Get a ballpark estimate of your future app

    2024 · fasterthanlight.me · its alternatives →

12. 12TE
    tarsnap estimated cost calculator▲5

    2014 · cdn.rawgit.com · its alternatives →

13. 13
    Hackreactor▲23

    The CS degree for the 21st century w/ $105k avg grad salary

    2014 · hackreactor.com · its alternatives →

14. 14
    Graduate School ROI Decision Toolkit▲1

    Estimate whether grad school is financially worth it

    Mar 2026 · djcanalytics.gumroad.com · its alternatives →

15. 15
    Texts.com▲10

    A college textbook exchange and price-comparison engine

    2015 · texts.com · its alternatives →

16. 16SC
    Salary comparison calculator for hundreds of cities worldwide▲9

    2016 · teleport.org · its alternatives →

17. 17SC
    Simple calculator, try urlcalc.com/1+2▲5

    2015 · urlcalc.com · its alternatives →

18. 18IS
    Information Silo Calculator▲9

    2017 · datasilos.org · its alternatives →

19. 19CT
    Calculators that provide insights on how to improve your finances▲6

    2018 · financialtoolbelt.com · its alternatives →

20. 20
    A minimal calculator app that demonstrates the microservices concept▲7

    2018 · github.com · its alternatives →

21. 21MT
    Mechanical Turk cost calculator▲14

    2015 · morninj.github.io · its alternatives →

22. 22AS
    A simple job board for finding internships in Tech▲7

    2018 · weintern.tech · its alternatives →

23. 23
    Textsurf▲10

    College Textbook Price Comparison Tool

    2017 · textsurf.com · its alternatives →

24. 24GA
    getimgs - a search project I built in university▲5

    2011 · getimgs.appspot.com · its alternatives →

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 →