# Stamp vs Pattern

The clearest difference is in-app purchases: Stamp at none against Pattern's 1. Stamp also leads on iOS requirement (15.1 vs 17.0). Pattern's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Pattern sells 1 one-off in-app purchase. Stamp asks for nothing beyond the download.

Stamp ships an update every 3 weeks, Pattern every 3 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Stamp | Pattern |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stamp-calendar-logger/id6761705643/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 39 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robert Piovesan](https://appshunter.io/developer/1609349291) | [Mustafa Ergisi](https://appshunter.io/developer/1829311519) |

## What reviewers say

### Stamp

[App page](https://appshunter.io/ios/app/stamp-calendar-logger/id6761705643)

This app automatically logs your non-meeting activities, like reading or exercise, as calendar events. It offers a one-tap timer for manual logging and integrates with Strava and Whoop for seamless workout and sleep tracking. Your calendar will finally reflect your entire day.

**Highlights:** One-tap start/stop timer, Strava integration for workouts, Whoop integration for sleep and recovery, Syncs with Apple, Google, and Outlook Calendar, Customizable activities with names and colors, Live Activity on Lock Screen and Dynamic Island

**Features:** macOS Compatibility

**In-app purchases:** none


### Pattern

[App page](https://appshunter.io/ios/app/pattern-personal-pattern-ai/id6766061942)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pattern Full Access | $9.99 | one-time |


## Frequently asked questions

### Is Stamp free?

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

### Is Pattern free?

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

### Do Stamp or Pattern have ads?

Neither Stamp nor Pattern shows ads.

### Which is updated more often, Stamp or Pattern?

Stamp ships an update every 3 weeks, and Pattern every 3 days. Most recently, Stamp was updated on November 5, 2026 and Pattern on November 5, 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.*