# Fellow vs HappyGo CERA

The clearest difference is rating: HappyGo CERA at 2.6 against Fellow's 2.0. HappyGo CERA also leads on review sentiment (25% vs 10%) and iOS requirement (13.0 vs 15.1). Fellow's advantage is update cadence (every 4 weeks vs every 4 months) and ratings volume (67 vs 5). 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.

HappyGo CERA holds the better App Store score, 2.6 against 2.0. That said, the two scores are not equally well evidenced: Fellow has 67 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 10% of Fellow's written reviews are positive against 25% of HappyGo CERA's.

Fellow ships an update every 4 weeks, HappyGo CERA every 4 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Fellow | HappyGo CERA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (67 ratings)](https://appshunter.io/ios/app/fellow/id6612024910/reviews) | **[2.6 (5 ratings)](https://appshunter.io/ios/app/happygo-cera/id6744058705/reviews)** |
| Number of ratings | **67** | 5 |
| Positive reviews | 10.0% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 123 MB | 30 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fellow](https://appshunter.io/developer/1369603449) | [Zhuhai Luckyman Technology Co.,ltd.](https://appshunter.io/developer/1656022430) |

## What reviewers say

### 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


### HappyGo CERA

[App page](https://appshunter.io/ios/app/happygo-cera/id6744058705)

Control CERA+ smart mugs and portable coffee machines from your phone. Monitor battery and working status, set precise temperatures, and schedule brewing times. This app offers a user-friendly interface for managing your connected CERA+ devices.

**Highlights:** Control CERA+ devices, Monitor battery status, Monitor working status, Set custom temperatures, Schedule brewing times, Temperature presets

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

**In-app purchases:** none


## Frequently asked questions

### Is Fellow free?

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

### Is HappyGo CERA free?

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

### Which has better reviews, Fellow or HappyGo CERA?

HappyGo CERA is rated higher. Fellow averages 2.0 out of 5 from 67 ratings, while HappyGo CERA averages 2.6 from 5 ratings.

### Do Fellow or HappyGo CERA have ads?

Neither Fellow nor HappyGo CERA shows ads.

### Which is updated more often, Fellow or HappyGo CERA?

Fellow ships an update every 4 weeks, and HappyGo CERA every 4 months. Most recently, Fellow was updated on October 24, 2026 and HappyGo CERA on October 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.*