# Ember vs Zenlet

The clearest difference is rating: Zenlet at 5.0 against Ember's 3.3. Zenlet also leads on update cadence (every 2 weeks vs every 2 months). Ember's advantage is in-app purchases (none vs 2) and ratings volume (7.5K vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Zenlet sells 2 in-app purchases, starting at $0.99 per month. Ember asks for nothing beyond the download.

Zenlet holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Ember has 7.5K ratings behind it against 1, so its average is the more settled of the two.

Ember ships an update every 2 months, Zenlet every 2 weeks. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ember | Zenlet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (7.5K ratings)](https://appshunter.io/ios/app/ember-temperature-control/id1147470931/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zenlet/id6760858549/reviews)** |
| Number of ratings | **7.5K** | 1 |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 63 MB | 797 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ember Technologies Inc.](https://appshunter.io/developer/1063861447) | [Steve Meetre](https://appshunter.io/developer/1895039526) |

## 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


### Zenlet

[App page](https://appshunter.io/ios/app/zenlet/id6760858549)

This app offers guided meditation sessions designed for busy individuals. It features a variety of categories like stress reduction, anxiety relief, and improved sleep, with sessions ranging from 5 to 15 minutes. Enjoy ad-free, distraction-free mindfulness to fit your daily routine.

**Highlights:** 99 guided meditations, 20 meditation categories, Adjustable playback speed, Build custom playlists, Daily streaks and reminders, Dark mode support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zenlet Monthly | $0.99 | per month |
| Zenlet Yearly | $9.99 | per year |


## Frequently asked questions

### Is Ember free?

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

### Is Zenlet free?

Zenlet is free to download, with in-app purchases available.

### Which has better reviews, Ember or Zenlet?

Zenlet is rated higher. Ember averages 3.3 out of 5 from 7.5K ratings, while Zenlet averages 5.0 from 1 ratings.

### Do Ember or Zenlet have ads?

Neither Ember nor Zenlet shows ads.

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

Ember ships an update every 2 months, and Zenlet every 2 weeks. Most recently, Ember was updated on November 10, 2026 and Zenlet on October 31, 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.*