Comparison

iSlim vs Ember

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

Head to head
About

iSlim

This app focuses on understanding your body's metabolism to achieve weight loss goals. It provides insights into how healthy food, sleep, and hydration impact your weight, offering recipes and articles to support habit development.

Highlights
  • Metabolism maximization guidance
  • Healthy eating habit development
  • Weight and body measurement tracking
  • Healthy recipes and articles
  • Apple Health integration
  • Friend weight loss challenges
Features
Read full description

This app will not count calories or show exercise videos. iSlim will help you understand how your body works by maximizing your metabolism. With the help of the iSlim app, you will see how healthy food and good sleep affect your weight and improve your well-being. Achieve your weight loss goals by developing healthy eating habits for a lifetime. Remember the main rule: “the simpler the food, the healthier I am.” Here you will find answers to questions: - Why in the morning, after a good sleep, do I weigh less than after an active day? - How does the amount of water I drink affect my weight? - Why do I gain weight after stress? - What hormones affect my weight? - How easy is it to lose weight? iSlim APP FEATURES: - handy weight tracker - water tracker (will be in future version) - sleep tracker (will be in future version) - lots of healthy and easy cooking recipes - interesting and useful articles to achieve the goal - sync with Apple Health fitness app for real-time step and exercise tracking - the opportunity to invite your friend and lose weight together EVERYTHING YOU NEED FOR WEIGHT LOSS - every day in the morning and in the evening add your weight to the application - record the amount of water you drink throughout the day - sleep well - avoid junk food - walk at least 10,000 steps per day - enter data by measuring your body (weight, waist, body fat, chest, arms) - give up bad habits, love your body This application iSlim is FREE.

About

Ember

Features
Read full description

Your body is changing. Ember helps you understand how. Track 15 wellness markers daily — from sleep quality and energy levels to hot flashes and mood — and watch patterns emerge over time. Ember uses on-device AI to surface insights about your wellness journey, helping you understand your body's unique rhythms during perimenopause and beyond. DAILY CHECK-IN Log how you feel in under a minute. Track only the markers that matter to you — Ember adapts to your experience. Rate your sleep, energy, mood, and more with simple, intuitive controls. SMART INSIGHTS Ember's AI runs entirely on your device, analyzing your patterns to surface meaningful connections. Notice trends you might miss — like how sleep quality affects your energy, or how your markers shift week to week. VISUAL TIMELINE See your wellness journey at a glance. Beautiful charts show how your markers change over 7 days, 30 days, or longer. Spot patterns, celebrate improvements, and share progress with your healthcare provider. GP-READY REPORTS Export professional PDF reports to bring to your doctor. Clear data helps you have better conversations about your wellness and get the support you need. PRIVACY FIRST All AI processing happens on your iPhone. Your wellness data never leaves your device — no cloud, no servers, no third parties. Your body, your data, your control. WHAT YOU CAN TRACK • Hot flashes (frequency & intensity) • Night sweats • Sleep quality • Energy levels • Mood • Anxiety • Brain fog • Joint discomfort • Headaches • Bloating • And more... DESIGNED FOR YOUR JOURNEY Whether you're in perimenopause, menopause, or post-menopause, Ember adapts to your stage. Set up in seconds, check in daily, and let the insights come to you. Ember is a wellness app. It does not provide medical advice, diagnosis, or treatment recommendations. Always consult your healthcare provider for medical decisions.

Screenshots

iSlim3 screens
Ember4 screens

Verdict

The call

The clearest difference is in-app purchases: iSlim at none against Ember's 3. iSlim also leads on iOS requirement (11.0 vs 26.0). On price, update cadence, ads and device support 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. Ember sells 3 in-app purchases, starting at $1.99 per month. iSlim asks for nothing beyond the download.

UpkeepUpdate frequency

iSlim ships an update every 10 days, Ember weekly. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

Scorecard2 real differences · 7 level
iSlim versus Ember: the parameters behind the verdict, then further details
ParameteriSlimEmber
PriceFreeFree
Rating4.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 10 daysWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS11.0 — better26.0
Further details — not scored
Size33 MB4 MB
Age rating4+4+
DeveloperIryna BatvinaAppConsult

In-app purchases

None

iSlim

No in-app purchases

3 purchases

Ember

Subscriptions2
  • Ember Premium Monthly$1.991 Month
  • Ember Premium Annual$9.991 Year
One-time1
  • Ember Premium Lifetime$29.99

Questions

Is iSlim free?
iSlim is free to download, with no in-app purchases.
Is Ember free?
Ember is free to download, with in-app purchases available.
Do iSlim or Ember have ads?
Neither iSlim nor Ember shows ads.
Which is updated more often, iSlim or Ember?
iSlim ships an update every 10 days, and Ember weekly. Most recently, iSlim was updated on October 18, 2026 and Ember on October 17, 2026.

Other comparisons