# SMELLiT vs Suhada

The clearest difference is update cadence: Suhada at every 4 days against SMELLiT's every 2 months. 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.

SMELLiT ships an update every 2 months, Suhada every 4 days. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SMELLiT | Suhada |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (61 ratings)](https://appshunter.io/ios/app/smellit/id6502876469/reviews)** | — |
| Number of ratings | **61** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 67 MB | 25 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Weizmann Institute of Science](https://appshunter.io/developer/533002684) | [Salitha weerakoon](https://appshunter.io/developer/1751293241) |

## What reviewers say

### 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


### Suhada

[App page](https://appshunter.io/ios/app/suhada/id6504192938)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SMELLiT free?

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

### Is Suhada free?

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

### Do SMELLiT or Suhada have ads?

Neither SMELLiT nor Suhada shows ads.

### Which is updated more often, SMELLiT or Suhada?

SMELLiT ships an update every 2 months, and Suhada every 4 days. Most recently, SMELLiT was updated on October 11, 2026 and Suhada on October 1, 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.*