Comparison

Ember vs SlimNation

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

SlimNation

This app provides personalized meal plans and activity tracking, guided by a nutrition counselor. Log your food and workouts to monitor progress against your health and weight goals. Sync with wearable devices for comprehensive activity data.

Highlights
  • Personalized meal plans
  • Grocery list generation
  • Food and activity logging
  • Calorie and weight goal tracking
  • Wearable device integration (Apple Watch)
  • Data synchronization with cloud account
Features
Read full description

SLIM NATION is a professional meal planning, food and activity logging tool that can only be activated by an authorized nutrition counselor. You can login to SLIM NATION by using the username and password that was provided by the counselor when your web based cloud account is set up. Your personalized meal plan, grocery list, daily caloric goal and weight control goal are setup by the counselor on your web cloud account, then pushed to the SLIM NATION app. The nutritional and weight management goals include your daily calorie budget, goal weight, BMI, macronutrient ratios and other important factors that attribute to better overall health, nutritional habits and weight control. How it works: Once you login to SLIM NATION app you can access your daily meal plan as recommended by your counselor, grocery list, log foods and activities to track your daily amount of calories consumed or burned during activities, and compare those numbers with what has been established by your counselor. SLIM NATION's cloud account also allows logging online via a web based portal. Regardless if you log on your phone or the cloud account, all data is sync'd up and down. This logged information can then be viewed and monitored by your nutrition counselor for better coaching and compliance to your personal plan. Step up your goals with wearable device steps and calorie tracking with Apple Watch! Simply sync your wearable device with your profile and let SLIM NATION do the rest! With step and calorie counting with Apple Watch you can now stay on track with up to date daily activity logging. To enable automatic syncing with Apple Health, login to your profile, go to Settings >Optional> and activate “Enable Apple Watch Sync”. NOTE: TO USE SLIM NATION YOU WILL NEED TO LOGIN WITH YOUR USERNAME AND PASSWORD PROVIDED BY YOUR NUTRITION PROFESSIONAL. IF YOU HAVE ANY QUESTIONS PLEASE EMAIL support@myslimnation.com.

Screenshots

Ember4 screens
SlimNation4 screens

Verdict

The call

The clearest difference is rating: SlimNation at 5.0 against Ember's 3.3. Ember's advantage is ratings volume (7.4K vs 1) and review sentiment (18% vs 0%). 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

SlimNation holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Ember has 7.4K ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 18% of Ember's written reviews are positive against 0% of SlimNation's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Ember ships an update every 2 months, SlimNation every 4 months. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.

Scorecard4 real differences · 6 level
Ember versus SlimNation: the parameters behind the verdict, then further details
ParameterEmberSlimNation
PriceFreeFree
Rating3.3 (7.4K ratings)5.0 (1 ratings) — better
Positive reviews18.0% of reviews — better0.0% of reviews
Number of ratings7.4K — better1
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size63 MB22 MB
Age rating4+4+
DeveloperEmber Technologies Inc.Rob Nevins

Customer experience

Ember

All ratings7,424 ratings
Positive54.6%
Neutral4.8%
Negative40.6%
Written reviews1,289 reviews
Positive18.0%
Neutral8.3%
Negative73.7%

SlimNation

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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

SlimNation

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Ember

No in-app purchases

None

SlimNation

No in-app purchases

Questions

Is Ember free?
Ember is free to download, with no in-app purchases.
Is SlimNation free?
SlimNation is free to download, with no in-app purchases.
Which has better reviews, Ember or SlimNation?
SlimNation is rated higher. Ember averages 3.3 out of 5 from 7.4K ratings, while SlimNation averages 5.0 from 1 ratings.
Do Ember or SlimNation have ads?
Neither Ember nor SlimNation shows ads.
Which is updated more often, Ember or SlimNation?
Ember ships an update every 2 months, and SlimNation every 4 months. Most recently, Ember was updated on September 25, 2026 and SlimNation on June 1, 2026.

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