# Tmmr vs WhenNote

The clearest difference is in-app purchases: WhenNote at none against Tmmr's 1. WhenNote also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Tmmr sells 1 one-off in-app purchase. WhenNote asks for nothing beyond the download.

Tmmr ships an update weekly, WhenNote every 11 days. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Tmmr | WhenNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/tmmr-countdown-and-event-timer/id6757182749/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Free | — |
| Size | 27 MB | 22 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [伟 潘](https://appshunter.io/developer/1837058197) | [Hank Wang](https://appshunter.io/developer/6800213367) |

## What reviewers say

### Tmmr

[App page](https://appshunter.io/ios/app/tmmr-countdown-and-event-timer/id6757182749)

This tool helps you track important dates with customizable countdowns. It offers personalization options, real-time updates, and smart reminders. Seamlessly integrate with your calendar and view progress with home screen widgets.

**Highlights:** Unlimited countdown events, Personalization with emojis and themes, Real-time countdown display, Smart repeat events, Calendar integration, Home screen and lock screen widgets, Tag management for organization

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Membership | $4.99 | one-time |


### WhenNote

[App page](https://appshunter.io/ios/app/whennote-countdown-and-days/id6800213365)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tmmr free?

Tmmr is free to download, with in-app purchases available.

### Is WhenNote free?

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

### Do Tmmr or WhenNote have ads?

Neither Tmmr nor WhenNote shows ads.

### Which is updated more often, Tmmr or WhenNote?

Tmmr ships an update weekly, and WhenNote every 11 days. Most recently, Tmmr was updated on October 9, 2026 and WhenNote on October 2, 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.*