Comparison

Ember vs Bold Believers COC

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ember

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
Read full description

At Ember®, we use temperature control to change the world in ordinary (and extraordinary) ways. With an Ember Temperature Control Smart Mug and the Ember app, you can transform your mornings by making hot beverages set to your chosen temperature an everyday reality. Our redesigned Ember app is simple, easy to use, and customizable. Whether you are a first-time user or a long-time customer, get ready for a whole new temperature control experience. The Ember app seamlessly pairs with your Ember products to precisely adjust your favorite hot drinks to your preferred drinking temperature, saves temperature presets, offers recipes, sends notifications when your desired drinking temperature has been reached, and more. Ember App Features: - Control the temperature of your beverage down to the degree - Use your previous temperature setting for a set-it-and-forget-it beverage experience - Manage unlimited paired mugs on an all-new Ember home screen - Find recipes and blogs you can save and share with friends and family in the new Explore section - Receive notifications when your preferred temperature has been reached, or your battery is low - Customize presets for multiple beverages and engage timers - Personalize your mugs with names and adjust the color of the smart LED - Easily switch between °C/°F and control sounds and haptic feedback in the redesigned Account section - Access Ember x Health with Apple Health

About

Bold Believers COC

Features
Read full description

Connect and engage with the Bold Believers Church of Christ app! You will be able to register for events, submit prayer requests, and view our worship live streams!

Screenshots

Ember4 screens
Bold Believers COC3 screens

Verdict

The call

The clearest difference is update cadence: Ember at every 2 months against Bold Believers COC's every 28 months. Bold Believers COC's advantage is device support (3 vs 1) and iOS requirement (10.0 vs 16.6). On price and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Ember ships an update every 2 months, Bold Believers COC every 28 months. The most recent releases landed on November 10, 2026 and October 26, 2026 respectively.

Scorecard3 real differences · 7 level
Ember versus Bold Believers COC: the parameters behind the verdict, then further details
ParameterEmberBold Believers COC
PriceFreeFree
Rating3.3 (7.5K ratings) — better—
Positive reviews17.6% of reviews—
Number of ratings7.5K — better—
Update frequencyEvery 2 months — betterEvery 28 months
AdsNo—
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.610.0 — better
Further details — not scored
Size63 MB57 MB
Age rating4+12+
DeveloperEmber Technologies Inc.Northwest Church of Christ, Inc.

Bugs and requests

Ember

Reported bugs

5 issues
  • 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

5 requests
  • 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

Bold Believers COC

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Ember

No in-app purchases

None

Bold Believers COC

No in-app purchases

Questions

Is Ember free?
Ember is free to download, with no in-app purchases.
Is Bold Believers COC free?
Bold Believers COC is free to download, with no in-app purchases.
Which is updated more often, Ember or Bold Believers COC?
Ember ships an update every 2 months, and Bold Believers COC every 28 months. Most recently, Ember was updated on November 10, 2026 and Bold Believers COC on October 26, 2026.

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