Horology vs Flip Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Horology
A minimalist utility app for watch enthusiasts to precisely set mechanical timepieces. It offers advanced features like planetary animations and lunar phase tracking.
- Precise mechanical watch setting
- Orbit-based planetary animations
- Lunar phase tracking
- Minimalist interface
- Timekeeping utility
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Horology: Keeping Time is a minimalist timekeeping app built for watch enthusiasts. Set your mechanical timepiece with precision, then explore additional features like orbit-based planetary animations, lunar phase tracking, and more.
Flip Clock
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Your flip clock, reimagined. One screen. Three modes. Zero clutter. A large flip-digit clock that shows time like a retro split-flap display. Swipe left for Pomodoro timer, right for stopwatch. No menus, no tabs, no distractions. FREE FEATURES (forever): • Full-screen flip clock with 12/24-hour display • Optional seconds display — card or mini style • Date and weekday at a glance • Stopwatch with start/pause/reset • Pomodoro timer with customizable duration • 2 alarms • 1 countdown event • Monthly calendar view • Cycle tracker with predictions • Portrait and landscape support • Screen always-on option • English and Chinese PREMIUM (one-time, no subscription): • Multiple color themes • Flip animation styles and sound effects • Custom app icons • Unlimited alarms with repeat rules • Unlimited countdown events with categories • Calendar integration with alarms and countdowns • Week view in calendar • Cycle tracker Face ID lock, reminders, data export Most clock apps bury you in menus or lock features behind subscriptions. SimpleClock gives you the essentials free forever, with a single one-time purchase for power users. 100% offline. No account. No data collection. Your time. Your device. Simple.
Screenshots
Verdict
The clearest difference is in-app purchases: Horology at none against Flip Clock's 1. Horology also leads on update cadence (fortnightly vs monthly). On price, ads, device support 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
Both are free to download. Flip Clock sells 1 one-off in-app purchase. Horology asks for nothing beyond the download.
Horology ships an update fortnightly, Flip Clock monthly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.
| Parameter | Horology | Flip Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.4 | 17.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Interactive Applications LLC | 磊 刘 |
Customer experience
Horology
Flip Clock
In-app purchases
Horology
No in-app purchases
Flip Clock
- SimpleClock Pro Edition$2.99









