# Blueair vs Fellow

The clearest difference is rating: Blueair at 4.8 against Fellow's 2.0. Blueair also leads on ratings volume (24K vs 67) and review sentiment (26% vs 10%). On price, update cadence, 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.

Blueair holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Blueair has 24K ratings behind it against 67, so its average is the more settled of the two. Written reviews point the same way: 26% of Blueair's written reviews are positive against 10% of Fellow's.

Blueair ships an update every 3 weeks, Fellow every 4 weeks. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Blueair | Fellow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (24K ratings)](https://appshunter.io/ios/app/blueair/id1016299342/reviews)** | [2.0 (67 ratings)](https://appshunter.io/ios/app/fellow/id6612024910/reviews) |
| Number of ratings | **24K** | 67 |
| Positive reviews | **26.4% of reviews** | 10.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 1.3 GB | 123 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blueair AB](https://appshunter.io/developer/981904349) | [Fellow](https://appshunter.io/developer/1369603449) |

## What reviewers say

### Blueair

[App page](https://appshunter.io/ios/app/blueair/id1016299342)

Monitor and control your indoor air quality with real-time tracking and intelligent device management. Gain insights into your environment and take effortless action for healthier living, whether you're at home or away.

**Highlights:** Real-time air quality tracking, Seamless device controls, Intelligent adaptive features, Remote management, Insightful data and graphs

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great air purifier
- 🌟 Excellent product
- 👍 Quiet operation
- 🌳 Improves air quality
- 🔍 Informative app

**What reviewers complain about**

- 🐛 Buggy app
- 🔌 Connectivity issues
- 🔍 Inaccurate sensor data
- 🕰️ Scheduling problems
- 🔒 Privacy concerns

**Reported bugs**

- App crashes on startup
- Frequent app disconnections
- Incorrect air quality readings
- Scheduling feature not working as expected
- Inability to change WiFi password

**Requested features**

- Add Google Home/Alexa integration
- Improve app stability and responsiveness
- Provide more customization options
- Allow data export and backup
- Fix daylight saving time issues


### Fellow

[App page](https://appshunter.io/ios/app/fellow/id6612024910)

Enhance your coffee brewing experience by connecting your smart coffee maker. Create custom brew profiles, schedule brews, and fine-tune every variable for perfect results. Access educational content to master your espresso craft.

**Highlights:** Create custom brew profiles, Schedule brews in advance, Fine-tune brewing variables, Access guided educational content, Improve espresso technique

**In-app purchases:** none

**What reviewers like**

- 👍 Seamless app pairing
- ✅ Firmware updates work well
- 🔍 Helpful profile management

**What reviewers complain about**

- 🐛 Connectivity issues
- 🤔 Limited app functionality
- 😕 Usability concerns
- ⏱️ Frequent sign-outs

**Reported bugs**

- App unable to connect to WiFi
- Bluetooth pairing problems
- Inconsistent device visibility

**Requested features**

- Ability to brew by grams of coffee
- Scheduling and remote start features
- Custom recipe input and management


## Frequently asked questions

### Is Blueair free?

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

### Is Fellow free?

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

### Which has better reviews, Blueair or Fellow?

Blueair is rated higher. Blueair averages 4.8 out of 5 from 24K ratings, while Fellow averages 2.0 from 67 ratings.

### Do Blueair or Fellow have ads?

Neither Blueair nor Fellow shows ads.

### Which is updated more often, Blueair or Fellow?

Blueair ships an update every 3 weeks, and Fellow every 4 weeks. Most recently, Blueair was updated on November 7, 2026 and Fellow on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*