Comparison

Fibonacci Clock by simple ver vs Fibonacci Clock+

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fibonacci Clock by simple ver

This app displays time using a unique color-coded system based on the Fibonacci sequence. It's designed to be a challenging yet educational way to tell time, with hints available and adjustable intervals.

Highlights
  • Fibonacci sequence time display
  • Color-coded hour and minute
  • Tap for hints
  • Adjustable interval flick gestures
  • Educational math concept
Features
Read full description

This is a clock. but too difficult to read. hour = red + blue minute = (green + blue) * 5 if you tap , you find this hint. if you up or down flick, you can change an interval.

About

Fibonacci Clock+

This app displays time using a unique Fibonacci sequence tile system. It offers customizable themes, a digital time companion, and an interactive physics playground for leftover minutes. Enjoy ambient music or integrate your own library.

Highlights
  • Full-screen Fibonacci clock display
  • Toggleable digital time companion
  • Five customizable watch themes
  • Calculation panel for time math
  • Interactive physics playground for minutes
  • Music integration with iPhone Library
  • Interactive info sheet with sliders
Read full description

Fibonacci Clock+ — Feature Highlights Core Clock • Full-screen Fibonacci clock: 5 tiles (1, 1, 2, 3, 5) that light up in different colors to show the current time • Reads hours from red + yellow tiles, minutes (in 5-min steps) from green + yellow tiles • Auto-updating live, second-by-second Digital Time Companion • Toggleable digital time pill in the top nav • Tap to switch between 12-hour (AM/PM) and 24-hour (military) formats • Preference remembered across launches 5 Watch Themes (persisted) • Classic — walnut wooden frame, painted tiles • Military — tactical olive • Doctor — clean clinical white • Navy — deep maritime blue • Digital — glowing neon retro Calculation Panel • Slide-out left panel shows the math: e.g. "12h = 2 red + 8 yellow", "25 min = (3 green + 2 yellow) × 5" • Learn how Fibonacci addition builds every time Interactive Physics Playground • Extra minutes (0–4 leftover) appear as floating icons • Star mode: zero-gravity — drift freely • Football mode: real gravity + bounce • Drag and fling icons with momentum • Icon-to-icon collisions with visual ring + haptic feedback Music & Sound • Built-in ambient "Quiet Morning" loop • Pick songs from your iPhone Music Library via MusicKit • Compact transport pill: shuffle · previous · play/pause · next · loop • All persists — loop and shuffle preferences remembered • Optional hourly chime Interactive Info Sheet • Mini-clock demo with sliders — set any hour & minute to see how the tiles decompose • "Now" button snaps the demo back to real time Polish • Landscape-locked, immersive full-viewport layout • Idle timer disabled so the clock never dims • Smooth theme transitions and spring animations • Reserved safe zones so controls, digital time and banner never overlap the clock Version 3.0.0 Fibonacci Clock+:  To get the time you need some math. The view of the clock is made up of five squares whose side lengths match the first five Fibonacci numbers: 1, 1, 2, 3 and 5. The hours are displayed using red and the minutes using green. When a square is used to display both the hours and minutes it turns Yellow(Red + Green). Black squares are ignored. Minute Box(Green Or Yellow): represents 5 mins Hour Box(Red Or Yellow): represents 1 hrs. The remaining minutes are represented by stars or Football, which are shown or hidden according to the current time. App also provides background music "The quiet morning" by David Fesliyan. https://www.fesliyanstudios.com/about

Screenshots

Fibonacci Clock by simple ver2 screens
Fibonacci Clock+4 screens

Verdict

The call

The clearest difference is price: Fibonacci Clock by simple ver at Free against Fibonacci Clock+'s $2.99. Fibonacci Clock by simple ver also leads on device support and ratings volume (6 vs 2). Fibonacci Clock+'s advantage is rating (5.0 vs 4.0) and review sentiment (100% vs 71%). On in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Fibonacci Clock by simple ver is free to download; Fibonacci Clock+ costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Fibonacci Clock+ holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 71% of Fibonacci Clock by simple ver's written reviews are positive against 100% of Fibonacci Clock+'s.

Scorecard7 real differences · 3 level
Fibonacci Clock by simple ver versus Fibonacci Clock+: the parameters behind the verdict, then further details
ParameterFibonacci Clock by simple verFibonacci Clock+
PriceFree — better$2.99
Rating4.0 (6 ratings)5.0 (2 ratings) — better
Positive reviews71.4% of reviews100.0% of reviews — better
Number of ratings6 — better2
Update frequencyFortnightly—
AdsYes—
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — better—
Requires iOS12.0 — better16.6
Further details — not scored
Size3 MB13 MB
Age rating4+4+
DeveloperYUKI HAYANOVijayvir Singh

Customer experience

Fibonacci Clock by simple ver

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews7 reviews
Positive71.4%
Neutral0.0%
Negative28.6%

Fibonacci Clock+

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Fibonacci Clock by simple ver

No in-app purchases

None

Fibonacci Clock+

No in-app purchases

Questions

Is Fibonacci Clock by simple ver free?
Fibonacci Clock by simple ver is free to download, with no in-app purchases.
Is Fibonacci Clock+ free?
Fibonacci Clock+ costs $2.99, with no in-app purchases.
Which has better reviews, Fibonacci Clock by simple ver or Fibonacci Clock+?
Fibonacci Clock+ is rated higher. Fibonacci Clock by simple ver averages 4.0 out of 5 from 6 ratings, while Fibonacci Clock+ averages 5.0 from 2 ratings.

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