# Secret Notes vs DayStack

The clearest difference is in-app purchases: DayStack at none against Secret Notes's 1. DayStack also leads on iOS requirement (13.0 vs 26.2). Secret Notes's advantage is update cadence (every 3 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Secret Notes sells 1 one-off in-app purchase. DayStack asks for nothing beyond the download.

Secret Notes ships an update every 3 days, DayStack every 2 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Secret Notes | DayStack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 4 MB | 41 MB |
| Requires iOS | 26.2 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Grauf](https://appshunter.io/developer/1878952443) | [Gunawan Santoso](https://appshunter.io/developer/1843786072) |

## What reviewers say

### Secret Notes

[App page](https://appshunter.io/ios/app/secret-notes-private-notepad/id6760174844)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Secret Notes Pro | $2.99 | one-time |


### DayStack

[App page](https://appshunter.io/ios/app/daystack-todo-and-pomodoro/id6760934238)

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

**In-app purchases:** none


## Frequently asked questions

### Is Secret Notes free?

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

### Is DayStack free?

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

### Do Secret Notes or DayStack have ads?

Neither Secret Notes nor DayStack shows ads.

### Which is updated more often, Secret Notes or DayStack?

Secret Notes ships an update every 3 days, and DayStack every 2 months. Most recently, Secret Notes was updated on September 10, 2026 and DayStack on September 9, 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.*