Fellow vs HappyGo CERA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fellow
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.
- Create custom brew profiles
- Schedule brews in advance
- Fine-tune brewing variables
- Access guided educational content
- Improve espresso technique
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Connect your Fellow Aiden or Espresso Series 1 to unlock the full experience and stay up to date with the latest features. Aiden - Brew exceptional coffee with precision and ease. Create, edit, and share custom brew profiles Schedule brews in advance Fine-tune every variable for perfect results Combining precision, control, and speed, Aiden delivers pour-over quality coffee at the press of a button. Espresso Series 1 - Master your espresso craft. Access guided educational content Learn how to dial in your machine Improve your technique and consistency Profile syncing and Drops for Espresso Series 1 coming soon.
HappyGo CERA
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.
- Control CERA+ devices
- Monitor battery status
- Monitor working status
- Set custom temperatures
- Schedule brewing times
- Temperature presets
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This APP is a mobile tool for controlling CERA+ series devices. It mainly supports smart mugs and portable coffee machines. The APP can display the device's battery status, working status and usage. You can set the temperature in the mug through your phone, with time appointment and temperature preset functions. The APP has a clean interface and is easy to operate, making it a powerful assistant for CERA+ series devices.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Fellow | HappyGo CERA |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (67 ratings) | 2.6 (5 ratings) — better |
| Positive reviews | 10.0% of reviews | 25.0% of reviews — better |
| Number of ratings | 67 — better | 5 |
| Update frequency | Every 4 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 123 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Fellow | Zhuhai Luckyman Technology Co.,ltd. |
Customer experience
Fellow
HappyGo CERA
Bugs and requests
Fellow
Reported bugs
3 issues- App unable to connect to WiFi
- Bluetooth pairing problems
- Inconsistent device visibility
Requested features
3 requests- Ability to brew by grams of coffee
- Scheduling and remote start features
- Custom recipe input and management
HappyGo CERA
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Fellow
No in-app purchases
HappyGo CERA
No in-app purchases
