# Petek vs Momento Stack

The clearest difference is price: Momento Stack at Free against Petek's $0.99. Momento Stack also leads on update cadence (every 6 days vs every 16 months) and iOS requirement (17.0 vs 26.0). Petek's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

Momento Stack is free to download; Petek costs $0.99 up front. Momento Stack sells 2 one-off in-app purchases. Petek asks for nothing beyond the download.

Petek ships an update every 16 months, Momento Stack every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Petek | Momento Stack |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 6 days** |
| Size | 4 MB | 3 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dor Pascal](https://appshunter.io/developer/1773249483) | [Ahmed ElGhoroury](https://appshunter.io/developer/6802225276) |

## What reviewers say

### Petek

[App page](https://appshunter.io/ios/app/petek/id6737423187)

**Features:** 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 Petek free?

Petek costs $0.99, with no in-app purchases.

### Is Momento Stack free?

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

### Do Petek or Momento Stack have ads?

Neither Petek nor Momento Stack shows ads.

### Which is updated more often, Petek or Momento Stack?

Petek ships an update every 16 months, and Momento Stack every 6 days. Most recently, Petek was updated on October 30, 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.*