# Ahlen App vs SMELLiT

The clearest difference is review sentiment: Ahlen App at 50% against SMELLiT's 0%. SMELLiT's advantage is update cadence (fortnightly vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Ahlen App ships an update every 4 months, SMELLiT fortnightly. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Ahlen App | SMELLiT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (60 ratings)](https://appshunter.io/ios/app/smellit/id6502876469/reviews)** |
| Number of ratings | — | **60** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 49 MB | 66 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Stadt Ahlen](https://appshunter.io/developer/1557892749) | [Weizmann Institute of Science](https://appshunter.io/developer/533002684) |

## What reviewers say

### Ahlen App

[App page](https://appshunter.io/ios/app/ahlen-app/id1128379534)

Discover local events, businesses, and attractions in Ahlen. Save money with exclusive app-only deals on products and services. Access essential information for residents and visitors alike.

**Highlights:** Event listings, Business directory, Attraction information, Exclusive app-only deals, Local information access

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

**In-app purchases:** none


### SMELLiT

[App page](https://appshunter.io/ios/app/smellit/id6502876469)

Participate in scientific research about the human sense of smell. Log daily scents and learn about olfaction. Earn rewards for consistent participation in this research project.

**Highlights:** Log daily scents, Learn about olfaction, Participate in research, Earn rewards, Randomized questionnaires

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

**In-app purchases:** none


## Frequently asked questions

### Is Ahlen App free?

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

### Is SMELLiT free?

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

### Do Ahlen App or SMELLiT have ads?

Neither Ahlen App nor SMELLiT shows ads.

### Which is updated more often, Ahlen App or SMELLiT?

Ahlen App ships an update every 4 months, and SMELLiT fortnightly. Most recently, Ahlen App was updated on November 2, 2026 and SMELLiT on November 8, 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.*