# CountFlow vs Days

The clearest difference is update cadence: CountFlow at every 3 weeks against Days's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CountFlow sells 1 one-off in-app purchase and Days sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CountFlow ships an update every 3 weeks, Days every 3 months. The most recent releases landed on September 19, 2026 and July 4, 2026 respectively.

## The numbers

| Metric | CountFlow | Days |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 26 MB | 15 MB |
| Requires iOS | 18.4 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Klopp](https://appshunter.io/developer/1738840425) | [浩东 邱](https://appshunter.io/developer/1493267968) |

## What reviewers say

### CountFlow

[App page](https://appshunter.io/ios/app/countflow/id6748813292)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CountFlow Pro | $3.99 | one-time |


### Days

[App page](https://appshunter.io/ios/app/days-important-dates/id6748931827)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $0.99 | per 7 days |
| Pro Monthly | $1.99 | per month |
| Pro Yearly | $14.99 | per year |


## Frequently asked questions

### Is CountFlow free?

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

### Is Days free?

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

### Do CountFlow or Days have ads?

Neither CountFlow nor Days shows ads.

### Which is updated more often, CountFlow or Days?

CountFlow ships an update every 3 weeks, and Days every 3 months. Most recently, CountFlow was updated on September 19, 2026 and Days on July 4, 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.*