# Countdown vs Time Sensitive

The clearest difference is in-app purchases: Time Sensitive at none against Countdown's 2. Countdown's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Countdown sells 2 in-app purchases, starting at $1.99 per month. Time Sensitive asks for nothing beyond the download.

Countdown ships an update every 10 days, Time Sensitive fortnightly. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Countdown | Time Sensitive |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Size | 17 MB | 1 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ILYAS TORUN](https://appshunter.io/developer/1866242866) | [Nick Lowe](https://appshunter.io/developer/1880082042) |

## What reviewers say

### Countdown

[App page](https://appshunter.io/ios/app/countdown-memento-calendar/id6757344347)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $14.99 | per year |


### Time Sensitive

[App page](https://appshunter.io/ios/app/time-sensitive/id6759668533)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Countdown free?

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

### Is Time Sensitive free?

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

### Do Countdown or Time Sensitive have ads?

Neither Countdown nor Time Sensitive shows ads.

### Which is updated more often, Countdown or Time Sensitive?

Countdown ships an update every 10 days, and Time Sensitive fortnightly. Most recently, Countdown was updated on October 21, 2026 and Time Sensitive on October 11, 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.*