# MOBROG vs SMELLiT

The clearest difference is rating: SMELLiT at 4.5 against MOBROG's 3.8. MOBROG's advantage is review sentiment (39% vs 0%) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

SMELLiT holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 113 and 61 respectively. Written reviews complicate that: 39% of MOBROG's written reviews are positive against 0% of SMELLiT's, so the app with the better star average is not the one people write more warmly about.

MOBROG ships an update every 3 weeks, SMELLiT every 2 months. The most recent releases landed on October 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | MOBROG | SMELLiT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (113 ratings)](https://appshunter.io/ios/app/mobrog/id979808109/reviews) | **[4.5 (61 ratings)](https://appshunter.io/ios/app/smellit/id6502876469/reviews)** |
| Number of ratings | **113** | 61 |
| Positive reviews | **39.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 40 MB | 67 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SPLENDID RESEARCH GmbH](https://appshunter.io/developer/968232140) | [Weizmann Institute of Science](https://appshunter.io/developer/533002684) |

## What reviewers say

### MOBROG

[App page](https://appshunter.io/ios/app/mobrog/id979808109)

Share your opinions and earn money by participating in online surveys. Get rewarded for your insights with various redemption options. Join a global community and make a difference.

**Highlights:** Participate in online surveys, Earn money for opinions, Diverse survey topics, Flexible participation, Multiple reward options, Privacy protection

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

**In-app purchases:** none

**What reviewers like**

- 💰 Legitimate payouts when surveys are completed
- ⚡ Fast payment processing to PayPal
- 📱 Easy-to-use interface and navigation
- 🎯 Diverse range of survey topics
- ✅ Actual money earned from completed surveys

**What reviewers complain about**

- ❌ High disqualification rate mid-survey
- ⏱️ Surveys take longer than estimated time
- 🚫 Frequent 'quota full' rejections
- 💸 Low compensation for time invested
- 🔐 Account deletion without explanation

**Reported bugs**

- Survey crashes at 99% completion
- Login credentials not recognized despite correct input
- Password reset email not received
- Account suddenly inaccessible with no explanation
- Email address shows as 'taken' when reregistering

**Requested features**

- Display survey payment amounts before starting
- Allow users to decline surveys based on compensation
- Implement in-app survey completion instead of browser redirect
- Add ability to delete or refresh survey list
- Mobile-first website design for surveys


### 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 MOBROG free?

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

### Is SMELLiT free?

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

### Which has better reviews, MOBROG or SMELLiT?

SMELLiT is rated higher. MOBROG averages 3.8 out of 5 from 113 ratings, while SMELLiT averages 4.5 from 61 ratings.

### Do MOBROG or SMELLiT have ads?

Neither MOBROG nor SMELLiT shows ads.

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

MOBROG ships an update every 3 weeks, and SMELLiT every 2 months. Most recently, MOBROG was updated on October 8, 2026 and SMELLiT on September 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.*