Life & fun · alternatives · 2026

24 alternatives to Rizon

A beautiful Golden Hour calculator for iOS

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Rizon launched in 2015; newer entries below may have overtaken it.

1. 1
   Timeless▲80

   A unique clock and calendar visualization

   2015 · timeless.simplebots.co · its alternatives →

2. 2
   Watzon▲78

   Elegant timezone converter + reminder

   2016 · silesius.se · its alternatives →

3. 3
   Golden Hour by Exposure▲74

   iOS app to sunrise and sunset

   2014 · apps.apple.com · its alternatives →

4. 4
   Timekit▲97

   A comprehensive scheduling API (pre-launch)

   2014 · timekit.io · its alternatives →

5. 5
   Mathematics+▲78

   Your source for daily math workouts!

   2016 · its alternatives →

6. 6
   Hours▲116

   Visual time tracking app

   2014 · hourstimelord.com · its alternatives →

7. 7
   KnightOS▲136

   An open-source OS for calculators

   2016 · its alternatives →

8. 8
   Mantra Timer▲190

   A minimalist mantra meditation timer for iOS.

   Jun 2026 · mantratimer.app · its alternatives →

9. 9
   IOS Calculator for Android▲63

   Visually Impressive Highly functional All-in-one!

   2016 · play.google.com · its alternatives →

10. 10
    SunIZup▲6

    Golden Hour Photography Calculator

    2016 · apps.apple.com · its alternatives →

11. 11
    Single Clock▲137

    Set reminders, forget time zones!

    2017 · apps.apple.com · its alternatives →

12. 12
    Tydlig▲69

    The calculator reimagined for iOS 7

    2013 · tydligapp.com · its alternatives →

13. 13
    Off Of▲90

    A Simple Percentage Calculator for iOS

    2014 · its alternatives →

14. 14
    Game About Squares (iOS)▲85

    Sorry in advance for the lost productivity… Again !

    2014 · apps.apple.com · its alternatives →

15. 15
    TicToc▲67

    Simple, ad-free online clock

    2018 · tictoc.io · its alternatives →

16. 16
    Day Flow▲66

    Time Manager and Efficiency Tracking

    2014 · apps.apple.com · its alternatives →

17. 17
    NUM▲74

    Insanely hard math game on iOS

    2015 · its alternatives →

18. 18
    Puzzle 11▲57

    2048 for the number 11

    2015 · apps.apple.com · its alternatives →

19. 19CA
    CALX, a gestural RPN calculator for iOS▲5

    2015 · protonome.com · its alternatives →

20. 20
    Globo▲68

    Elegant World Clock for iOS

    2015 · apps.apple.com · its alternatives →

21. 21
    Tydlig▲57

    A new kind of Calculator for iPhone & iPad

    2013 · store.steampowered.com · its alternatives →

22. 22
    24 Hours▲72

    World clock for remote teams and travellers, on iPhone

    2016 · apps.apple.com · its alternatives →

23. 23
    CalcKey▲71

    Calculator app for iMessage

    2016 · cellularnews.com · its alternatives →

24. 24
    Tchisla▲62

    Calculator game with numbers

    2017 · apps.apple.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 →