# Ember vs Fellow

The clearest difference is rating: Ember at 3.3 against Fellow's 2.0. Ember also leads on ratings volume (7.4K vs 55). Fellow's advantage is update cadence (every 4 weeks vs every 2 months). On price, review sentiment, 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.

Ember holds the better App Store score, 3.3 against 2.0. That said, the two scores are not equally well evidenced: Ember has 7.4K ratings behind it against 55, so its average is the more settled of the two. Written reviews point the same way: 18% of Ember's written reviews are positive against 10% of Fellow's.

Ember ships an update every 2 months, Fellow every 4 weeks. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Ember | Fellow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (7.4K ratings)](https://appshunter.io/ios/app/ember-temperature-control/id1147470931/reviews)** | [2.0 (55 ratings)](https://appshunter.io/ios/app/fellow/id6612024910/reviews) |
| Number of ratings | **7.4K** | 55 |
| Positive reviews | **18.0% of reviews** | 10.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 63 MB | 123 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ember Technologies Inc.](https://appshunter.io/developer/1063861447) | [Fellow](https://appshunter.io/developer/1369603449) |

## What reviewers say

### Ember

[App page](https://appshunter.io/ios/app/ember-temperature-control/id1147470931)

This app allows you to precisely control the temperature of your hot beverages using a smart mug. Customize presets, receive notifications when your drink reaches the perfect temperature, and explore recipes. Personalize your mug settings for an enhanced drinking experience.

**Highlights:** Precise temperature control, Save temperature presets, Beverage recipes and blogs, Customizable notifications, Manage multiple mugs, Personalize mug settings

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

**In-app purchases:** none

**What reviewers like**

- ⭐ Keeps drink at perfect temperature
- 🍵 Great for tea and coffee drinkers
- 🎨 Customizable LED light colors
- 🔋 Decent battery life when used properly
- 🤖 Apple Watch app integration

**What reviewers complain about**

- 🔌 Requires frequent charging and docking
- 🔒 Forced account creation and login
- 🔄 Unreliable Bluetooth connectivity
- 🐛 Buggy app with frequent issues
- 🤔 Confusing app UI and controls

**Reported bugs**

- App frequently logs users out
- Mug disconnects from app randomly
- Firmware update process often fails
- App doesn't always detect liquid in mug
- Presets and settings get lost after updates

**Requested features**

- Battery level indicator on main screen
- Improved Apple Watch app functionality
- Wireless charging option
- Ability to lock temperature settings
- Automatic temperature adjustment based on volume


### 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 Ember free?

Ember 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, Ember or Fellow?

Ember is rated higher. Ember averages 3.3 out of 5 from 7.4K ratings, while Fellow averages 2.0 from 55 ratings.

### Do Ember or Fellow have ads?

Neither Ember nor Fellow shows ads.

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

Ember ships an update every 2 months, and Fellow every 4 weeks. Most recently, Ember was updated on September 23, 2026 and Fellow 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.*