When Will I vs Time Passage
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
Time Passage
Calculate the duration of time elapsed since a specific date. Input a birthday or any past date to see how much time has passed in years, months, days, and even seconds.
- Calculate time elapsed
- Input past dates
- View duration in years, months, days
- View duration in seconds
- Birthday calculation
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Calculate the time duration from a given birthday
Screenshots
Verdict
The clearest difference is ads: Time Passage at none against When Will I's shown. On price, update cadence, in-app purchases and device support 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.
When Will I ships an update every 7 months, Time Passage every 10 months. The most recent releases landed on May 19, 2026 and August 12, 2026 respectively.
| Parameter | When Will I | Time Passage |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 7 months — better | Every 10 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, Apple Watch | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Talon Strike Software | 楚江 王 |
In-app purchases
When Will I
No in-app purchases
Time Passage
No in-app purchases
