Comparison

Fibonacci Clock+ vs iQz

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

Head to head
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

About

iQz

Test your knowledge across a vast array of subjects with this comprehensive quiz application. Featuring thousands of multiple-choice and true/false questions, it offers a fun and addictive way to learn and challenge your intellect.

Highlights
  • 10000+ Quiz and Brain Teasers
  • Multiple Choice and True/False Questions
  • Countdown timer
  • Dynamic Illustrations
  • Score card comparison
  • Multilingual support
Features
Read full description

Keeping your reasoning sharp matters more, not less, in the age of AI. iQz is a focused daily workout for the kinds of thinking that stay valuable: spotting patterns, reasoning under constraints, and noticing when an argument doesn't actually follow. WHAT'S INSIDE - 100 original puzzles, free, across five reasoning types: - Abstract reasoning - 3x3 matrix puzzles, the classic IQ-test format - Spatial reasoning - rotation and sequence completion - Numerical reasoning - number series and quantitative problems - Verbal reasoning - analogies, odd-one-out, word relationships - Logical reasoning - syllogisms, deduction, and common reasoning fallacies - Every answer explained. Not just which option is right, but the underlying rule - so you get better instead of just scoring. - Optional pace timer: a non-enforced ~2 min/question countdown, roughly the pace of a timed reasoning test. It never locks you out or auto-submits. - Progress tracking: streaks, best scores and full history, stored on your device. - No account, no sign-up. No ads. 100 MORE, RIGHT IN THE APP Played them all? One in-app purchase adds 100 more puzzles, 15 of them hard, for 200 in all. They unlock in this app, so your streak and history stay where they are. One payment, no subscription. Restore it on any device signed in to the same Apple Account. A HARD TIER 36 of the free puzzles are genuinely difficult, and difficult in a different way rather than just busier. The easier items are progressions - something advances along a row and you continue it. The hard ones are relational: the missing cell is a function of the other cells around it, so there is no direction of travel to spot. Counts that add or subtract across a row, symbols that cancel when both cells carry them, cube nets you have to fold in your head, and grids running three independent rules at once. There is a Hard Only mode, so you can go straight at the ceiling instead of waiting for a hard item to come up. They were added because someone told us the puzzles were too easy. They were right. BUILT FOR FLIGHTS Every puzzle ships inside the app, so airplane mode, the subway and a dead-zone basement behave exactly the same as full signal. Only the News tab and buying the extra puzzles need a connection. EVERY PUZZLE IS ORIGINAL The visual puzzles are generated specifically for this app, each built from a defined rule so the stated answer is provably the correct one. Nothing here is scraped from another test. Every hard item is additionally machine-checked to confirm that exactly one of the six options satisfies its rule - an ambiguous puzzle is worse than an easy one.

Screenshots

Fibonacci Clock+4 screens
iQz4 screens

Verdict

The call

The clearest difference is price: iQz at Free against Fibonacci Clock+'s $2.99. iQz also leads on device support. On review sentiment, in-app purchases and iOS requirement 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

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

Scorecard3 real differences · 7 level
Fibonacci Clock+ versus iQz: the parameters behind the verdict, then further details
ParameterFibonacci Clock+iQz
Price$2.99Free — better
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better—
Update frequency—Fortnightly
Ads—No
In-app purchasesNoNo
MonetizationFree — betterPaid
Devices—iPhone, iPad, iPod — better
Requires iOS16.616 — better
Further details — not scored
Size13 MB9 MB
Age rating4+4+
DeveloperVijayvir SinghDjamgaTech Corp

Customer experience

Fibonacci Clock+

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

iQz

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

In-app purchases

None

Fibonacci Clock+

No in-app purchases

None

iQz

No in-app purchases

Questions

Is Fibonacci Clock+ free?
Fibonacci Clock+ costs $2.99, with no in-app purchases.
Is iQz free?
iQz is free to download, with no in-app purchases.

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