Comparison

Twinkle Clock vs Flip Clock

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

Head to head
About

Twinkle Clock

Features
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Twinkle Clock turns your screen into a night sky — a clock face made of twinkling stars and constellations. FREE • 12 zodiac constellations, swipe to switch • A twinkling starfield with the time overlaid on constellation lines PRO (one-time purchase) • All 88 official constellations • ~8,900 naked-eye stars across the whole sky • The Milky Way and the Moon & planets (Mercury–Saturn) • Nebulae, star clusters, and galaxies • Tap any star, the Moon, or a planet to read about it • Time Travel — pick any date and time to see what the sky looked like (or will look like) • Major meteor shower activity windows Available on iPhone, iPad, Mac, Apple TV, and Apple Vision Pro.

About

Flip Clock

Features
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PREMIUM — PURCHASE REQUIRED: All features described below are part of Pro and require a purchase: a weekly or yearly auto-renewing subscription, or a one-time lifetime purchase. Turn your iPhone into a beautiful timepiece — 54 hand-crafted clock faces across nine design families. A pure, full-screen clock display for bedside, desk, nightstand, and any moment that deserves a stylish piece of time on screen. — 54 CLOCK FACES, 9 FAMILIES — A curated library, not a clutter of variants. Every face is its own design study. • FLIP (6) — Solari, Railway, Mono, Dual, Minimal, Scroll. Mechanical card flips that read clean from across the room. • WORD (5) — Qlock, Sentence, Haiku, Minimal, Braille. Time written in language, not numbers. • ANALOG (8) — Bauhaus, Index, Nude, Cross, Sector, Ruler, Grid, Thin. Pure typographic dial work. • NUMERIC (10) — Cinematic, Calibration, Dense, Haiku, Monolith, Offset, Poster, Split, Stencil, Vertical. Bold display digits at every weight. • EDITORIAL (7) — Broadsheet, Column, Cover, Folio, Grid, Pull, Ticker. Magazine and newsprint typography. • GEOMETRIC (5) — Hex, Knot, Linear, Rotor, Tissue. Shape, pattern, and rotation tell time. • ORBITAL (4) — Moon, Rings, Sector, Solar. Celestial motion as a clock. • LIVING (6) — Breath, Dust, Fog, Pulse, Tide, Wave. Slow ambient motion, never twitchy. • RETRO (3) — VFD, Amber, Neon. Vintage glow with modern fidelity. — DESIGNED FOR THE NIGHTSTAND — Built first for the moment you set your phone face up beside the bed. • Auto-hiding controls — chrome fades after a few seconds, only the clock remains • Tap-to-reveal back and dim — never accidental, always there • Deep blacks for OLED — won't light up the room • Precise typography that reads at a glance, even half asleep — FULL-SCREEN, NO CLUTTER — No alarms, no widgets, no ads in the way. Just one clock, taking the whole screen. • Portrait and landscape — phone stand-ready • Smooth 60 fps motion across every animated face • Optimized for OLED iPhones — true blacks, deep contrast • Works completely offline — PERFECT FOR — • Bedside / nightstand display • Desk and home-office screens • Reading-room or studio backdrop • Sleeping-baby room with a soft Living face • Lock-screen-style fullscreen during focus time • Stylish secondary clock on an old iPhone — PREMIUM — Premium unlocks the full library and every future design — bring up the gallery, pick a face, set your phone down. • Weekly • Yearly • Lifetime — one-time, no subscription Subscriptions auto-renew until canceled in Settings; lifetime is a one-time purchase. — BUILT FOR iOS — • Pure SwiftUI, no third-party tracking SDKs • iPhone 13 and newer recommended • All iPhone screen sizes supported, including landscape • Tiny install footprint, fast launch — WHY THIS APP — Most clock apps lean on alarms or timers and treat the face itself as an afterthought. This one starts the other way around: every face is a design first, the rest is just controls that get out of the way. If you've been hunting for a clock that looks good at 11 pm and at noon, you're in the right place. — LEGAL — Terms: https://leanstudio.asia/terms-of-use Privacy: https://leanstudio.asia/privacy-policy Support: support@leanstudio.asia

Screenshots

Twinkle Clock4 screens
Flip Clock4 screens

Verdict

The call

The clearest difference is device support: Twinkle Clock at 4 against Flip Clock's 1. On price, update cadence, ads and 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

Both are free to download. Twinkle Clock sells 1 one-off in-app purchase and Flip Clock sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Twinkle Clock ships an update every 3 weeks, Flip Clock monthly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 5 level
Twinkle Clock versus Flip Clock: the parameters behind the verdict, then further details
ParameterTwinkle ClockFlip Clock
PriceFreeFree
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, Mac, Vision Pro — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size23 MB10 MB
Age rating4+4+
DeveloperHiroyasu HiraiLEAN ASIA CO., LTD

In-app purchases

1 purchases

Twinkle Clock

One-time1
  • Twinkle Clock Pro$24.99
4 purchases

Flip Clock

Subscriptions3
  • Premium Weekly$1.997 Days
  • Premium Yearly2 variants$9.991 Year
  • Premium Monthly$19.991 Month
One-time1
  • Lifetime3 variants$19.99

Questions

Is Twinkle Clock free?
Twinkle Clock is free to download, with in-app purchases available.
Is Flip Clock free?
Flip Clock is free to download, with in-app purchases available.
Do Twinkle Clock or Flip Clock have ads?
Neither Twinkle Clock nor Flip Clock shows ads.
Which is updated more often, Twinkle Clock or Flip Clock?
Twinkle Clock ships an update every 3 weeks, and Flip Clock monthly. Most recently, Twinkle Clock was updated on October 27, 2026 and Flip Clock on October 24, 2026.

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