# stämps vs Dulno

The clearest difference is update cadence: Dulno at every 6 days against stämps's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

stämps ships an update every 5 weeks, Dulno every 6 days. The most recent releases landed on October 24, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | stämps | Dulno |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/stamps/id1481198720/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Monetization | Free | — |
| Size | 23 MB | 30 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Steinbeis Forschungs- und Innovationszentren GmbH](https://appshunter.io/developer/560053310) | [Dulno](https://appshunter.io/developer/1811527817) |

## What reviewers say

### stämps

[App page](https://appshunter.io/ios/app/stamps/id1481198720)

Digitally collect loyalty stamps from your favorite businesses. Avoid paper cards and enjoy exclusive bonuses and offers. This app offers a simple, anonymous, and fast way to earn rewards.

**Highlights:** Digital stamp collection, Anonymous and no registration, Receive exclusive vouchers, Get informed on daily offers, Fast and frictionless process, Earn bonus rewards

**Features:** Vision Pro support

**In-app purchases:** none


### Dulno

[App page](https://appshunter.io/ios/app/dulno/id6745476292)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is stämps free?

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

### Is Dulno free?

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

### Do stämps or Dulno have ads?

Neither stämps nor Dulno shows ads.

### Which is updated more often, stämps or Dulno?

stämps ships an update every 5 weeks, and Dulno every 6 days. Most recently, stämps was updated on October 24, 2026 and Dulno on September 12, 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.*