Whenr Whenr vs Big Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Whenr Whenr
This app simplifies complex time calculations, helping you easily determine time differences, future times, and duration sums. It offers an intuitive interface and convenient options to copy, set reminders, or share results.
- Calculate time differences
- Determine future times
- Sum time durations
- Copy results to clipboard
- Create reminders from results
- Share time calculations
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Doing math with dates and times is hard. Whenr Whenr makes it easy, with a simple calculator-style interface for dates, times, durations, and unit conversions. There are no awkward forms, no modes to switch between, and no workflows to learn. Just type in your values, select the function you want to apply, and get your answer. With Whenr Whenr you can: - Answer time questions quick and easy. For example, calculate “how long is it from now until 7:42?” or “what time will it be in 4 hours and 47 minutes?”? - Count days between dates, add weeks to a date, or work across months without manually counting. - Make schedules easier to reason about. Figure out equal turns, manipulate durations, split time fairly, and keep plans running smoothly. - Make weird durations readable. Convert amounts like 400 hours into weeks, 5,000 minutes into days, or 10,000 seconds into hours, so you can actually think about them. And it does all this in a familiar calculator-style interface - not a maze of tabs and dropdowns. There's no mode switching, no confusing forms, and no translating your question into an app's weird logic. You just enter dates and times using the keypad and get the right answer fast.
Big Timer
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Big Timer: Minimalist Large Digit Focus & Countdown Timer Looking for a clean, distraction-free timer with massive, easy-to-read digits across the room? Big Timer is designed with an ultra-minimalist full-screen interface featuring high-contrast extra-large numbers. Whether you are conducting a keynote presentation, studying with the Pomodoro technique, timing high-intensity interval workouts, cooking in the kitchen, or practicing meditation, Big Timer keeps your time perfectly visible at a glance. How to Use 1. Set Time: Tap the big display to quickly adjust minutes and seconds with the smooth wheel selector. 2. Mode Selection: Toggle effortlessly between Countdown mode for timed tasks and Count-Up Stopwatch mode for track sessions. 3. Start & Pause: Single-tap anywhere to start or pause the timer instantly. 4. Auto-Theme Matching: Enjoy 8 purpose-driven color themes automatically matched to your activity (Focus, Workout, Cooking, Presentation, Meditation, Deadline, Break, General). Key Features - Extra Large High-Contrast Display: Huge digital numbers designed for maximum legibility from any distance. - Dual Timer Modes: Supports both Countdown Timer and Count-Up Stopwatch functions. - 8 Purpose-Driven Dynamic Themes: Beautiful color palettes tailored for Focus (Blue), Workout (Green), Cooking (Orange), Presentation (Purple), Meditation (Cyan), Deadline (Red), Break (Lime), and General (Slate). - Keep Screen On (Wakelock): Prevents your display from sleeping or dimming automatically during important timer sessions. - Audio & Haptic Feedback: Optional pleasant completion sound and vibration alerts when your session finishes. - Lightweight & Privacy-Focused: Operates 100% locally on your device with instant responsiveness. Recommended For - Students and professionals using the Pomodoro technique for deep focus and study sessions. - Speakers, teachers, and presenters keeping track of talk duration and speech deadlines. - Fitness enthusiasts, coaches, and athletes timing gym workouts, HIIT, and interval training. - Home cooks needing a clear kitchen timer visible from across the room. - Anyone seeking a clean, uncluttered desk clock and timer experience. Download Big Timer today and enjoy a beautifully clear, large-digit focus timer!
Screenshots
Verdict
The clearest difference is ads: Whenr Whenr at none against Big Timer's shown. Big Timer's advantage is update cadence (every 7 months vs every 22 months) and iOS requirement (13.0 vs 16.1). On price, 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.
Whenr Whenr ships an update every 22 months, Big Timer every 7 months. The most recent releases landed on October 2, 2026 and September 25, 2026 respectively.
| Parameter | Whenr Whenr | Big Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 22 months | Every 7 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 16.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Darin Kelkhoff | Seulki Eom |
In-app purchases
Whenr Whenr
No in-app purchases
Big Timer
No in-app purchases









