# Private Notes vs Momento Stack

The clearest difference is in-app purchases: Private Notes at none against Momento Stack's 2. Momento Stack's advantage is update cadence (every 6 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Momento Stack sells 2 one-off in-app purchases. Private Notes asks for nothing beyond the download.

Private Notes ships an update fortnightly, Momento Stack every 6 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Private Notes | Momento Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Size | 2 MB | 3 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Talal Aslam](https://appshunter.io/developer/1875842707) | [Ahmed ElGhoroury](https://appshunter.io/developer/6802225276) |

## What reviewers say

### Private Notes

[App page](https://appshunter.io/ios/app/private-notes-locknotes/id6759080631)

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

**In-app purchases:** none


### Momento Stack

[App page](https://appshunter.io/ios/app/momento-stack-sticky-notes/id6804217250)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Custom Colors | $1.99 | one-time |
| Checklists | $1.99 | one-time |


## Frequently asked questions

### Is Private Notes free?

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

### Is Momento Stack free?

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

### Do Private Notes or Momento Stack have ads?

Neither Private Notes nor Momento Stack shows ads.

### Which is updated more often, Private Notes or Momento Stack?

Private Notes ships an update fortnightly, and Momento Stack every 6 days. Most recently, Private Notes was updated on October 31, 2026 and Momento Stack on October 31, 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.*