# Whenr Whenr vs Big Timer

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.

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.

## The numbers

| Metric | Whenr Whenr | Big Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/whenr-whenr/id1659481999/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 7 months** |
| Monetization | Free | — |
| Size | 4 MB | 33 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Darin Kelkhoff](https://appshunter.io/developer/1659482001) | [Seulki Eom](https://appshunter.io/developer/1718927408) |

## What reviewers say

### Whenr Whenr

[App page](https://appshunter.io/ios/app/whenr-whenr/id1659481999)

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.

**Highlights:** Calculate time differences, Determine future times, Sum time durations, Copy results to clipboard, Create reminders from results, Share time calculations

**Features:** Vision Pro support

**In-app purchases:** none


### Big Timer

[App page](https://appshunter.io/ios/app/big-timer-focus-and-countdown/id6746898648)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Whenr Whenr free?

Whenr Whenr is free to download, with no in-app purchases.

### Is Big Timer free?

Big Timer is free to download, with no in-app purchases.

### Do Whenr Whenr or Big Timer have ads?

Big Timer shows ads; Whenr Whenr does not.

### Which is updated more often, Whenr Whenr or Big Timer?

Whenr Whenr ships an update every 22 months, and Big Timer every 7 months. Most recently, Whenr Whenr was updated on October 2, 2026 and Big Timer on September 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*