Fibonacci Clock by simple ver vs Ancient Calendars
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Fibonacci sequence time display
- Color-coded hour and minute
- Tap for hints
- Adjustable interval flick gestures
- Educational math concept
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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.
Ancient Calendars
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RECOVER THE CHRONOMETER OF THE ANCIENTS Ancient Calendars is a digital artifact that reconstructs the most sophisticated time-keeping systems of our ancestors. From the mechanical weight of the Aztec Tonalpohualli to the astronomical precision of the Maya Long Count, experience time through the eyes of history’s greatest astronomers. KEY FEATURES: 8 TRADITIONAL CALENDARS: Fully functional logic for Aztec (Xiuhpohualli & Tonalpohualli), Maya (Long Count & Tzolk'in), Egyptian Civil Calendar, Attic (Greek), Chinese Lunisolar, Roman (A.U.C.), and Norse (Viking) systems (We are working on adding more) JUMP TO DIFFERENT DAYS: User the regular calendar to navigate to different dates and even discover what cycle in the azte, mayan or gree calendar key dates like your birthdate would have been. THE NOVA CALENDAR: Experience a modern "fixed" calendar restoration—13 months of perfect 28-day symmetry, realigned to the Vernal Equinox. CELESTIAL HUD: Real-time solar progress and moon phase tracking with a tactile, ancient-tech aesthetic. HISTORY ARCHIVE: Scrub through over 80 pivotal historical and celestial events to see how time was measured when they occurred. TACTILE ARTIFACTS: A UI that responds to your movement, making every calendar feel like a physical relic in your hands. LANguAGE: English & Spanish. We will soon implement more languages.
Screenshots
Verdict
The clearest difference is price: Fibonacci Clock by simple ver at Free against Ancient Calendars's $0.99. Fibonacci Clock by simple ver also leads on iOS requirement (12.0 vs 17.6). Ancient Calendars's advantage is 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
Fibonacci Clock by simple ver is free to download; Ancient Calendars costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Fibonacci Clock by simple ver | Ancient Calendars |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.0 (6 ratings) — better | — |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Fortnightly | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 3 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | YUKI HAYANO | Jorge Santacruz |
In-app purchases
Fibonacci Clock by simple ver
No in-app purchases
Ancient Calendars
No in-app purchases
Questions
Is Fibonacci Clock by simple ver free?
Is Ancient Calendars free?
Do Fibonacci Clock by simple ver or Ancient Calendars have ads?
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