Comparison

Cinder vs Kai AI

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

Head to head
About

Cinder

Log exercises, sets, reps, and weights with an intuitive interface. Visualize progress with custom charts and AI-powered insights to optimize performance. Seamlessly integrates with Apple devices and HealthKit.

Highlights
  • Log exercises, sets, reps, and weights
  • Visualize progress with custom charts
  • AI-powered workout insights
  • Live Activities for Lock Screen tracking
  • Apple Watch companion app
  • HealthKit integration
  • Smart calendar for training history
Features
Read full description

Your Ultimate Workout Companion Transform the way you track and visualize your fitness journey with Cinder, the intelligent workout tracking app designed for serious athletes. TRACK YOUR WORKOUTS Log exercises, sets, reps, and weights with an intuitive interface that gets out of your way. Whether you're lifting, running, or doing bodyweight exercises, Cinder makes tracking effortless. VISUALIZE YOUR PROGRESS Create custom charts and widgets to see your progress at a glance. Track personal records, volume trends, and workout frequency with beautiful, insightful visualizations right on your home screen. AI-POWERED INSIGHTS Chat with your workout data and get personalized insights. Ask questions about your training, discover patterns, and receive intelligent recommendations to optimize your performance. SEAMLESS APPLE INTEGRATION - Live Activities for real-time workout tracking on your Lock Screen - Apple Watch companion app for on-the-go tracking - HealthKit integration to sync with Apple Health - Customizable home screen widgets SMART CALENDAR Review your training history with a beautiful calendar view. See patterns in your workout routine and plan your training schedule effectively. ADVANCED ANALYTICS Deep dive into your performance with comprehensive charts and statistics. Track every metric that matters to you and watch yourself improve over time. BUILT FOR ATHLETES From beginners to elite athletes, Cinder adapts to your training style. Track any exercise, customize your metrics, and organize your workouts your way. Start your fitness journey with Cinder today! https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Kai AI

Features
Read full description

Kai AI הוא אפליקציית התזונה החכמה שהופכת מעקב קלוריות לפשוט ומהיר. צלם את הארוחה שלך ותן לבינה מלאכותית לזהות את המזון ולחשב קלוריות וערכים תזונתיים תוך שניות. עקוב אחרי יומן האכילה היומי שלך, המשקל, ה-BMI, והתקדמות לעבר היעד שהצבת. התכונות העיקריות: • סריקת ארוחות עם מצלמה וזיהוי AI אוטומטי • סריקת ברקוד למוצרים ארוזים • יומן אכילה יומי עם פילוח לפי ארוחות • מעקב משקל עם גרפים והתקדמות לעבר יעד • חישוב יעד קלוריות אישי לפי גיל, משקל, גובה ורמת פעילות • צ'אט עם Kai, עוזר AI אישי לשאלות תזונה התחל היום לנהל את התזונה שלך בצורה חכמה יותר. גישה לתכונות האפליקציה (כולל סריקת מזון בבינה מלאכותית, יומן אכילה, מעקב משקל וצ'אט עם Kai) דורשת מנוי בתשלום. האפליקציה מציעה מנוי אוטומטי מתחדש (חודשי או שנתי) וכן אפשרות לרכישה חד-פעמית לגישה לכל החיים. התשלום יחויב דרך חשבון ה-Apple ID שלך, והמנוי מתחדש אוטומטית אלא אם בוטל לפחות 24 שעות לפני תום התקופה הנוכחית. ניתן לנהל או לבטל את המנוי בכל עת דרך הגדרות חשבון ה-Apple שלך. מדיניות פרטיות: https://nautrition-app-960ad.web.app/privacy.html תנאי שימוש: https://nautrition-app-960ad.web.app/terms.html

Screenshots

Cinder4 screens
Kai AI4 screens

Verdict

The call

The clearest difference is update cadence: Kai AI at daily against Cinder's every 8 days. Kai AI also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases 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. Cinder sells 3 in-app purchases, starting at $2.99 per month and Kai AI sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Cinder ships an update every 8 days, Kai AI daily. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Cinder versus Kai AI: the parameters behind the verdict, then further details
ParameterCinderKai AI
PriceFreeFree
Rating4.6 (9 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 8 daysDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size71 MB53 MB
Age rating17+12+
DeveloperHaplo, LLCOrel Bereshit

In-app purchases

3 purchases

Cinder

Subscriptions2
  • Cinder Premium Monthly3 Days trial$2.991 Month
  • Cinder Premium Annual3 Days trial$17.991 Year
One-time1
  • Cinder Premium Lifetime$30.00
3 purchases

Kai AI

Subscriptions2
  • Kai AI Monthly$7.991 Month
  • Kai AI Annual3 Days trial$49.991 Year
One-time1
  • Kai AI Lifetime$99.99

Questions

Is Cinder free?
Cinder is free to download, with in-app purchases available.
Is Kai AI free?
Kai AI is free to download, with in-app purchases available.
Do Cinder or Kai AI have ads?
Neither Cinder nor Kai AI shows ads.
Which is updated more often, Cinder or Kai AI?
Cinder ships an update every 8 days, and Kai AI daily. Most recently, Cinder was updated on November 7, 2026 and Kai AI on November 5, 2026.

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