Horology vs Grail
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.
Grail
Customize your home screen, bedside display, and car dashboard with elegant analog and digital clock widgets. Choose from a growing collection of watch-inspired designs and personalize every detail to create a unique look.
- Analog and digital watch face designs
- Home screen and desktop widgets
- StandBy mode bedside clock
- CarPlay dashboard clock
- Customizable hands, bezels, and colors
- Growing collection of unique models
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Grail watches for your screen. Grail turns the watches most of us only dream about into clock widgets you’ll actually use. On your home screen, on your nightstand in StandBy, and on your dashboard in CarPlay. It started simple: a collection of widgets based on wrist and pocket watches that offer an interesting design, are hard to get your hands on, or both. Every face is drawn with real horological detail, and built to be customized. Swap handsets, bezels, case metals, dials and colorways until it’s unmistakably yours. THE COLLECTION • Model One: Hours and minutes, inspired by Dirty Dozen field watches • Orbital Regulator: Hours, minutes and weekday orbiting the minute axis • DS-9000: Vintage digital display with time, day and date • Retro²: Jumping hour with retrograde minute, inspired by speedometers …and the collection keeps growing. WORKS ACROSS YOUR DEVICES • Home Screen & Desktop: Small and large sizes for your iPhone, iPad and Mac • StandBy: A proper bedside clock when your iPhone’s on its side • CarPlay: A mechanical dial on your dashboard MADE TO TINKER Broad Arrow or Dauphine hands. Stainless, titanium, DLC or gold. Pumpkin, Lime, Grape or Blueberry. Mix it however you like.
Screenshots
Verdict
The clearest difference is rating: Grail at 5.0 against Horology's 3.0. Horology's advantage is update cadence (fortnightly vs every 2 months). On price, ratings volume, 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. Neither carries in-app purchases, so what you see is what you pay.
Grail holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.
Horology ships an update fortnightly, Grail every 2 months. The most recent releases landed on November 5, 2026 and November 8, 2026 respectively.
| Parameter | Horology | Grail |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 4 — better |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.4 | 18.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Interactive Applications LLC | Reda Hallal |
Customer experience
Horology
Grail
In-app purchases
Horology
No in-app purchases
Grail
No in-app purchases
