# NuFACE® vs Ember

The clearest difference is rating: NuFACE® at 4.8 against Ember's 3.3. NuFACE® also leads on update cadence (every 10 days vs every 2 months) and review sentiment (27% vs 18%). 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.

NuFACE® holds the better App Store score, 4.8 against 3.3. Both are backed by a comparable volume of ratings — 19K and 7.4K respectively. Written reviews point the same way: 27% of NuFACE®'s written reviews are positive against 18% of Ember's.

NuFACE® ships an update every 10 days, Ember every 2 months. Both last shipped on September 28, 2026.

## The numbers

| Metric | NuFACE® | Ember |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (19K ratings)](https://appshunter.io/ios/app/nuface/id1039907973/reviews)** | [3.3 (7.4K ratings)](https://appshunter.io/ios/app/ember-temperature-control/id1147470931/reviews) |
| Number of ratings | **19K** | 7.4K |
| Positive reviews | **26.6% of reviews** | 18.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 87 MB | 63 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [The Carol Cole Company, Inc.](https://appshunter.io/developer/1039907972) | [Ember Technologies Inc.](https://appshunter.io/developer/1063861447) |

## What reviewers say

### NuFACE®

[App page](https://appshunter.io/ios/app/nuface/id1039907973)

This app enhances your skincare routine by providing guided microcurrent treatments and personalized recommendations. Track your progress with a selfie feature and unlock exclusive treatment modes for optimal results. Stay updated on new products and sales.

**Highlights:** Guided treatment tutorials, App-exclusive treatments, Custom treatment reminders, Selfie progress tracker, Expert product recommendations, One-click skincare shopping, Device software updates

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to follow tutorials
- 👍 Helpful for daily routine
- 💡 Variety of treatments
- 🚀 Tracks progress and photos

**What reviewers complain about**

- 🐛 Bluetooth connectivity issues
- 🐛 Glitchy app performance
- 🐛 Crashes and freezes
- 🐛 Inconsistent user experience

**Reported bugs**

- App won't recognize device
- Can't access treatment videos
- Routine steps not syncing properly
- Login and account issues

**Requested features**

- Add French language support
- Allow custom routines and schedules
- Improve progress tracking and analytics
- Provide offline treatment options


### 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


## Frequently asked questions

### Is NuFACE® free?

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

### Is Ember free?

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

### Which has better reviews, NuFACE® or Ember?

NuFACE® is rated higher. NuFACE® averages 4.8 out of 5 from 19K ratings, while Ember averages 3.3 from 7.4K ratings.

### Do NuFACE® or Ember have ads?

Neither NuFACE® nor Ember shows ads.

### Which is updated more often, NuFACE® or Ember?

NuFACE® ships an update every 10 days, and Ember every 2 months. Most recently, NuFACE® was updated on September 28, 2026 and Ember on September 28, 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.*