Twinkle Clock vs Flip Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Twinkle Clock
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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.
Flip Clock
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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
Verdict
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
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.
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.
| Parameter | Twinkle Clock | Flip Clock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, Mac, Vision Pro — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 23 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Hiroyasu Hirai | LEAN ASIA CO., LTD |
In-app purchases
Twinkle Clock
- Twinkle Clock Pro$24.99
Flip Clock
- Premium Weekly$1.997 Days
- Premium Yearly2 variants$9.991 Year
- Premium Monthly$19.991 Month
- Lifetime3 variants$19.99









