When Will I vs Shadowline
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
When Will I
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When Will I is a fun and informative utility to show the time left to a specific event. Whether you're waiting for Christmas, retirement, your birthday, or the next episode of your favorite TV show, When Will I can tell you exactly how long it will be. With When Will I, you can: - Track multiple events at once - Choose from a variety of time units (minutes, seconds, hours, weeks, months, etc.) - Set custom images for each event - Sync your events to your connected Apple Watch
Shadowline
Visualize time zones with elegant clock faces or a single 24-hour dial. Plan meetings, manage jet lag with science-based advice, and view a live day & night map. Widgets offer at-a-glance city times.
- World clocks with customizable themes
- 24-hour dial for at-a-glance time comparison
- Meeting planner with calendar integration
- Jet lag adjustment plans
- Live day & night map with moon phase
- Home and Lock Screen widgets
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Shadowline turns time zones into something you can actually see. Track the cities that matter to you, then read them at a glance — as elegant clock faces, or on a single 24-hour dial where every city sits on one ring so you instantly see who's awake, who's asleep, and the hours you overlap. FEATURES • World clocks — Add any city on Earth and see its time, day or night, and offset from you. Reorder, rename, and theme each one. • 24-hour dial — All your cities on one circular timeline. Drag to scrub through the day and find a time that works everywhere. • Meeting planner — Swipe through upcoming hours and watch every city update together. Found a slot? Add it straight to your calendar. • JetLag IQ — Heading somewhere new? Get a simple, science-based plan to shift your body clock and land ready. • Day & night map — A live world map with the real sunlight terminator, plus sunrise, sunset, and moon phase. • Widgets — Put your favorite cities and the dial on your Home and Lock Screen in styles that match your look. Everything runs entirely on your device. No account, no ads, no tracking — your cities and settings never leave your phone. SHADOWLINE PRO Free to use with up to three cities. Unlock Shadowline Pro once — a single $2.49 purchase, no subscription — for unlimited cities, every widget style, and import/export. Yours forever.
Screenshots
Verdict
The clearest difference is in-app purchases: When Will I at none against Shadowline's 1. Shadowline's advantage is ads (none vs shown) and update cadence (every 2 days vs every 7 months). On price, 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. Shadowline sells 1 one-off in-app purchase. When Will I asks for nothing beyond the download.
When Will I ships an update every 7 months, Shadowline every 2 days. The most recent releases landed on October 30, 2026 and October 6, 2026 respectively.
| Parameter | When Will I | Shadowline |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 7 months | Every 2 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Talon Strike Software | KKB CoRi Technologies Private Limited |
In-app purchases
When Will I
No in-app purchases
Shadowline
- Shadowline Pro$2.49









