# Dopamining vs Stamp

The clearest difference is update cadence: Dopamining at every 3 days against Stamp's every 3 weeks. Dopamining also leads on ratings volume (4 vs 1). Stamp's advantage is iOS requirement (15.1 vs 18.1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Dopamining against 5.0 for Stamp. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Dopamining ships an update every 3 days, Stamp every 3 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dopamining | Stamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/dopamining/id6448926241/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/stamp-calendar-logger/id6761705643/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 98 MB | 39 MB |
| Requires iOS | 18.1 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Dopamining LLC](https://appshunter.io/developer/1852182626) | [Robert Piovesan](https://appshunter.io/developer/1609349291) |

## What reviewers say

### Dopamining

[App page](https://appshunter.io/ios/app/dopamining/id6448926241)

Build life-changing habits by committing to one atomic action daily. This app helps rewire your brain through consistent practice, making a single habit non-negotiable for personal transformation.

**Highlights:** Atomic habit building, Daily commitment tracking, Brain rewiring through consistency, Life-changing habit formation, Non-negotiable habit setting

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Dopamining free?

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

### Is Stamp free?

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

### Which has better reviews, Dopamining or Stamp?

Dopamining and Stamp are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Dopamining or Stamp have ads?

Neither Dopamining nor Stamp shows ads.

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

Dopamining ships an update every 3 days, and Stamp every 3 weeks. Most recently, Dopamining was updated on October 27, 2026 and Stamp on October 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.*