# TreeNotes vs Countdown Days

The clearest difference is in-app purchases: TreeNotes at none against Countdown Days's 3. TreeNotes also leads on iOS requirement (15.6 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Countdown Days sells 3 in-app purchases, starting at $2.99 per 7 days. TreeNotes asks for nothing beyond the download.

TreeNotes ships an update every 2 weeks, Countdown Days fortnightly. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | TreeNotes | Countdown Days |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Size | 27 MB | 14 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Seiya.k](https://appshunter.io/developer/383021944) | [APP TEAM](https://appshunter.io/developer/1892958531) |

## What reviewers say

### TreeNotes

[App page](https://appshunter.io/ios/app/treenotes-tree-outliner/id6754949841)

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

**In-app purchases:** none


### Countdown Days

[App page](https://appshunter.io/ios/app/countdown-days-event-timer/id6773258156)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $6.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is TreeNotes free?

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

### Is Countdown Days free?

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

### Do TreeNotes or Countdown Days have ads?

Both TreeNotes and Countdown Days show ads.

### Which is updated more often, TreeNotes or Countdown Days?

TreeNotes ships an update every 2 weeks, and Countdown Days fortnightly. Most recently, TreeNotes was updated on September 22, 2026 and Countdown Days on September 24, 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.*