# Countdown Pro + vs 知止

The clearest difference is in-app purchases: 知止 at none against Countdown Pro +'s 1. 知止 also leads on update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Countdown Pro + sells 1 one-off in-app purchase. 知止 asks for nothing beyond the download.

Countdown Pro + ships an update every 3 months, 知止 monthly. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Countdown Pro + | 知止 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 5 MB | 14 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jason Hewitt](https://appshunter.io/developer/1809067528) | [玉庭 何](https://appshunter.io/developer/1867438392) |

## What reviewers say

### Countdown Pro +

[App page](https://appshunter.io/ios/app/countdown-pro-plus/id6747936320)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to plus | $0.99 | one-time |


### 知止

[App page](https://appshunter.io/ios/app/id6758208809)

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

**In-app purchases:** none


## Frequently asked questions

### Is Countdown Pro + free?

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

### Is 知止 free?

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

### Do Countdown Pro + or 知止 have ads?

Neither Countdown Pro + nor 知止 shows ads.

### Which is updated more often, Countdown Pro + or 知止?

Countdown Pro + ships an update every 3 months, and 知止 monthly. Most recently, Countdown Pro + was updated on October 9, 2026 and 知止 on October 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.*