Comparison

Fibonacci Clock by simple ver vs Ancient Digital Clocks

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

Ancient Digital Clocks

Explore historical numbering systems by viewing the current time in Egyptian Hieroglyphs, Ancient Greek, and Roman numerals. Customize background and foreground colors. Create reminders and calendar entries using the selected ancient number system.

Highlights
  • View time in Egyptian Hieroglyphs
  • View time in Ancient Greek numbers
  • View time in Roman numerals
  • Customizable background and foreground colors
  • Create reminders in ancient number systems
  • Create calendar entries in ancient number systems
Features
Read full description

We are fascinated with history, numbers, and how ancient people kept track of things with their numbering systems. And how those changed over time. This app with allow you to see the current time in Egyptian Hieroglyphs, Ancient Greek numbers, and Roman numerals by swiping left and right. And for the time, you can change the background color and foreground color by swiping up and down. And if you are adventurous enough, you can even create reminders and calendar entries - but you will be doing that in the number system that you selected for the time.

Screenshots

Fibonacci Clock by simple ver2 screens
Ancient Digital Clocks4 screens

Verdict

The call

The clearest difference is price: Fibonacci Clock by simple ver at Free against Ancient Digital Clocks's $0.99. Fibonacci Clock by simple ver also leads on update cadence (fortnightly vs every 13 months) and ratings volume (6 vs 1). Ancient Digital Clocks's advantage is rating (5.0 vs 4.0) and ads (none vs shown). On in-app purchases and device support 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; Ancient Digital Clocks costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Ancient Digital Clocks holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Fibonacci Clock by simple ver has 6 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Fibonacci Clock by simple ver ships an update fortnightly, Ancient Digital Clocks every 13 months. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

Scorecard7 real differences · 3 level
Fibonacci Clock by simple ver versus Ancient Digital Clocks: the parameters behind the verdict, then further details
ParameterFibonacci Clock by simple verAncient Digital Clocks
PriceFree — better$0.99
Rating4.0 (6 ratings)5.0 (1 ratings) — better
Positive reviews71.4% of reviews—
Number of ratings6 — better1
Update frequencyFortnightly — betterEvery 13 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.6
Further details — not scored
Size3 MB4 MB
Age rating4+4+
DeveloperYUKI HAYANOAnthony Caggiano

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%

Ancient Digital Clocks

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Fibonacci Clock by simple ver

No in-app purchases

None

Ancient Digital Clocks

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 Ancient Digital Clocks free?
Ancient Digital Clocks costs $0.99, with no in-app purchases.
Which has better reviews, Fibonacci Clock by simple ver or Ancient Digital Clocks?
Ancient Digital Clocks is rated higher. Fibonacci Clock by simple ver averages 4.0 out of 5 from 6 ratings, while Ancient Digital Clocks averages 5.0 from 1 ratings.
Do Fibonacci Clock by simple ver or Ancient Digital Clocks have ads?
Fibonacci Clock by simple ver shows ads; Ancient Digital Clocks does not.
Which is updated more often, Fibonacci Clock by simple ver or Ancient Digital Clocks?
Fibonacci Clock by simple ver ships an update fortnightly, and Ancient Digital Clocks every 13 months. Most recently, Fibonacci Clock by simple ver was updated on October 15, 2026 and Ancient Digital Clocks on October 6, 2026.

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